| Aster acris L. | Galatella sedifolia (L.) Greuter subsp. sedifolia | | | Aster acris L. | Galatella sedifolia (L.) Greuter subsp. sedifolia | 5614 | 469038 |
| Aster ageratoides Turcz. | | a | | Aster ageratoides Turcz. | | 5615 | |
| Aster alpinus L. | | a | | Aster alpinus L. | | 5616 | |
| Aster altaicus Willd. | | a | | Aster altaicus Willd. | | 5617 | |
| Aster amellus L. | | a | | Aster amellus L. | | 5618 | |
| Aster annuus L. | Erigeron annuus (L.) Pers. | | | Aster annuus L. | Erigeron annuus (L.) Pers. | 5619 | 104210 |
| Aster argophyllus Labill. | Olearia argophylla (Labill.) F. Muell. ex Benth. | | | Aster argophyllus Labill. | Olearia argophylla (Labill.) F. Muell. ex Benth. | 5620 | 25569 |
| Aster barbatus (DC.) Harv. | | a | | Aster barbatus (DC.) Harv. | | 5621 | |
| Aster bellidioides Buch.-Ham. ex D. Don | Erigeron emodi I. M. Turner | | | Aster bellidioides Buch.-Ham. ex D. Don | Erigeron emodi I. M. Turner | 5622 | 486314 |
| Aster chinensis L. | Callistephus chinensis (L.) Nees | | | Aster chinensis L. | Callistephus chinensis (L.) Nees | 5623 | 8581 |
| Aster cordifolius L. | Symphyotrichum cordifolium (L.) G. L. Nesom | | | Aster cordifolius L. | Symphyotrichum cordifolium (L.) G. L. Nesom | 5624 | 434202 |
| Aster coriaceus G. Forst. | Celmisia coriacea (G. Forst.) Hook. f. | | | Aster coriaceus G. Forst. | Celmisia coriacea (G. Forst.) Hook. f. | 5625 | 9731 |
| Aster crocatus Bertol. | Lycoseris crocata (Bertol.) S. F. Blake | | | Aster crocatus Bertol. | Lycoseris crocata (Bertol.) S. F. Blake | 5626 | 22987 |
| Aster diplostephioides (DC.) C. B. Clarke | | a | | Aster diplostephioides (DC.) C. B. Clarke | | 5627 | |
| Aster ericoides L. | Symphyotrichum ericoides (L.) G. L. Nesom | | | Aster ericoides L. | Symphyotrichum ericoides (L.) G. L. Nesom | 5628 | 406991 |
| Aster erigeroides (DC.) Harv. | Felicia erigeroides DC. | | | Aster erigeroides (DC.) Harv. | Felicia erigeroides DC. | 5629 | 104232 |
| Aster erubescens Sieber ex Spreng. | Olearia erubescens (Sieber ex Spreng.) Dippel | | | Aster erubescens Sieber ex Spreng. | Olearia erubescens (Sieber ex Spreng.) Dippel | 5630 | 25578 |
| Aster falconeri (C. B. Clarke) Hutch. | | a | | Aster falconeri (C. B. Clarke) Hutch. | | 5631 | |
| Aster farreri W. W. Sm. & Jeffrey | | a | | Aster farreri W. W. Sm. & Jeffrey | | 5632 | |
| Aster filifolius Vent. | Felicia filifolia (Vent.) Burtt Davy | | | Aster filifolius Vent. | Felicia filifolia (Vent.) Burtt Davy | 5633 | 104233 |
| Aster ×frikartii Silva Tar. & C. K. Schneid. | | a | | Aster frikartii Silva Tar. & C. K. Schneid. | | 5634 | |
| Aster fruticosus L. | Felicia fruticosa (L.) G. Nicholson | | | Aster fruticosus L. | Felicia fruticosa (L.) G. Nicholson | 5635 | 104234 |
| Aster furfuraceus A. Rich. | Olearia furfuracea (A. Rich.) Hook. f. | | | Aster furfuraceus A. Rich. | Olearia furfuracea (A. Rich.) Hook. f. | 5636 | 25582 |
| Aster fuscescens Bureau & Franch. | | a | | Aster fuscescens Bureau & Franch. | | 5637 | |
| Aster glaucodes S. F. Blake | Herrickia glauca (Nutt.) Brouillet | | | Aster glaucodes S. F. Blake | Herrickia glauca (Nutt.) Brouillet | 5638 | 460269 |
| Aster harveyanus Kuntze | Afroaster serrulatus (Harv.) J. C. Manning & Goldblatt | | | Aster harveyanus Kuntze | Afroaster serrulatus (Harv.) J. C. Manning & Goldblatt | 5639 | 469017 |
| Aster heterochaeta Benth. ex C. B. Clarke | Aster flaccidus Bunge subsp. flaccidus var. flaccidus | | | Aster heterochaeta Benth. ex C. B. Clarke | Aster flaccidus Bunge subsp. flaccidus var.flaccidus | 5640 | 433633 |
| Aster himalaicus C. B. Clarke | | a | | Aster himalaicus C. B. Clarke | | 5641 | |
| Aster hispidus Thunb. | | a | | Aster hispidus Thunb. | | 5642 | |
| Aster holophyllus Hemsl. | Aster pekinensis (Hance) F. H. Chen | | | Aster holophyllus Hemsl. | Aster pekinensis (Hance) F. H. Chen | 5643 | 468502 |
| Aster holosericeus G. Forst. | Celmisia holosericea (G. Forst.) Hook. f. | | | Aster holosericeus G. Forst. | Celmisia holosericea (G. Forst.) Hook. f. | 5644 | 9733 |
| Aster huegelii F. Muell. | Olearia ciliata (Benth.) F. Muell. | | | Aster huegelii F. Muell. | Olearia ciliata (Benth.) F. Muell. | 5645 | 25574 |
| Aster laevis L. | Symphyotrichum laeve (L.) Á. Löve & D. Löve var. laeve | | | Aster laevis L. | Symphyotrichum laeve (L.) Á. Löve & D. Löve var.laeve | 5646 | 434242 |
| Aster lautureanus (Debeaux) Franch. | | a | | Aster lautureanus (Debeaux) Franch. | | 5647 | |
| Aster lindleyanus Torr. & A. Gray | Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve | | | Aster lindleyanus Torr. & A. Gray | Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve | 5648 | 434200 |
| Aster liratus Sims | Olearia lirata (Sims) Hutch. | | | Aster liratus Sims | Olearia lirata (Sims) Hutch. | 5649 | 25590 |
| Aster multiflorus Aiton | Symphyotrichum ericoides (L.) G. L. Nesom | | | Aster multiflorus Aiton | Symphyotrichum ericoides (L.) G. L. Nesom | 5650 | 406991 |
| Aster nemoralis Aiton | Oclemena nemoralis (Aiton) Greene | | | Aster nemoralis Aiton | Oclemena nemoralis (Aiton) Greene | 5651 | 434153 |
| Aster novae-angliae L. | Symphyotrichum novae-angliae (L.) G. L. Nesom | | | Aster novae-angliae L. | Symphyotrichum novae-angliae (L.) G. L. Nesom | 5652 | 406994 |
| Aster novi-belgii L. | Symphyotrichum novi-belgii (L.) G. L. Nesom var. novi-belgii | | | Aster novi-belgii L. | Symphyotrichum novi-belgii (L.) G. L. Nesom var.novi-belgii | 5653 | 449981 |
| Aster paniculatus Lam. | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. lanceolatum | | | Aster paniculatus Lam. | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.lanceolatum | 5654 | 434248 |
| Aster paucidentatus F. Muell. | Olearia paucidentata (F. Muell.) F. Muell. | | | Aster paucidentatus F. Muell. | Olearia paucidentata (F. Muell.) F. Muell. | 5655 | 25602 |
| Aster puniceus L. | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum | | | Aster puniceus L. | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.puniceum | 5656 | 434293 |
| Aster scaber Thunb. | | a | | Aster scaber Thunb. | | 5657 | |
| Aster sikkimensis Hook. | | a | | Aster sikkimensis Hook. | | 5658 | |
| Aster spathulifolius Maxim. | | a | | Aster spathulifolius Maxim. | | 5659 | |
| Aster staticifolius Franch. | Aster batangensis Bureau & Franch. var. staticifolius (Franch.) Y. Ling | | | Aster staticifolius Franch. | Aster batangensis Bureau & Franch. var.staticifolius (Franch.) Y. Ling | 5660 | 433263 |
| Aster stracheyi Hook. f. | | a | | Aster stracheyi Hook. f. | | 5661 | |
| Aster stuartii F. Muell. | Olearia stuartii (F. Muell.) F. Muell. | | | Aster stuartii F. Muell. | Olearia stuartii (F. Muell.) F. Muell. | 5662 | 104459 |
| Aster subcoeruleus S. Moore | Aster tongolensis Franch. | | | Aster subcoeruleus S. Moore | Aster tongolensis Franch. | 5663 | 104044 |
| Aster tanacetifolius Kunth | Machaeranthera tanacetifolia (Kunth) Nees | | | Aster tanacetifolius Kunth | Machaeranthera tanacetifolia (Kunth) Nees | 5664 | 104416 |
| Aster tataricus L. f. | | a | | Aster tataricus L. f. | | 5665 | |
| Aster thomsonii C. B. Clarke | | a | | Aster thomsonii C. B. Clarke | | 5666 | |
| Aster tricephalus C. B. Clarke | | a | | Aster tricephalus C. B. Clarke | | 5667 | |
| Aster vimineus auct. | Symphyotrichum racemosum (Elliott) G. L. Nesom | | | Aster vimineus auct. | Symphyotrichum racemosum (Elliott) G. L. Nesom | 5668 | 434295 |
| Aster yunnanensis Franch. | | a | | Aster yunnanensis Franch. | | 5669 | |
| Aster amelloides Besser | Aster amellus L. | | | Aster amelloides Besser | Aster amellus L. | 100485 | 5618 |
| Aster trinervius Roxb. ex D. Don subsp. ageratoides (Turcz.) Grierson | Aster ageratoides Turcz. var. ageratoides | | i | Aster trinervius Roxb. ex D. Don subsp. ageratoides (Turcz.) Grierson | Aster ageratoides Turcz. var.ageratoides | 103981 | 433660 |
| Aster asteroides (DC.) Kuntze | | a | | Aster asteroides (DC.) Kuntze | | 103992 | |
| Aster ciliolatus Lindl. | Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve | | | Aster ciliolatus Lindl. | Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve | 103997 | 434200 |
| Aster flaccidus Bunge | | a | | Aster flaccidus Bunge | | 103999 | |
| Aster sedifolius L. | Galatella sedifolia (L.) Greuter | | | Aster sedifolius L. | Galatella sedifolia (L.) Greuter | 104007 | 465896 |
| Aster simplex Willd. var. ramosissimus (Torr. & A. Gray) Cronquist | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. lanceolatum | | i | Aster simplex Willd. var.ramosissimus (Torr. & A. Gray) Cronquist | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.lanceolatum | 104009 | 434248 |
| Aster tongolensis Franch. | | a | | Aster tongolensis Franch. | | 104044 | |
| Aster spp. | | a | | Aster spp. | | 300053 | |
| Aster lanceolatus Willd. | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. lanceolatum | | | Aster lanceolatus Willd. | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.lanceolatum | 313430 | 434248 |
| Aster lateriflorus (L.) Britton | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. lateriflorum | | | Aster lateriflorus (L.) Britton | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.lateriflorum | 313450 | 434253 |
| Aster fragilis auct. | Symphyotrichum racemosum (Elliott) G. L. Nesom | | | Aster fragilis auct. | Symphyotrichum racemosum (Elliott) G. L. Nesom | 313451 | 434295 |
| Aster dumosus L. | Symphyotrichum dumosum (L.) G. L. Nesom | | | Aster dumosus L. | Symphyotrichum dumosum (L.) G. L. Nesom | 314397 | 406990 |
| Aster furcatus E. S. Burgess | Eurybia furcata (E. S. Burgess) G. L. Nesom | | | Aster furcatus E. S. Burgess | Eurybia furcata (E. S. Burgess) G. L. Nesom | 316182 | 434119 |
| Aster chilensis Nees | Symphyotrichum chilense (Nees) G. L. Nesom | | | Aster chilensis Nees | Symphyotrichum chilense (Nees) G. L. Nesom | 316576 | 434197 |
| Aster engelmannii (D. C. Eaton) A. Gray | Eucephalus engelmannii (D. C. Eaton) Greene | | | Aster engelmannii (D. C. Eaton) A. Gray | Eucephalus engelmannii (D. C. Eaton) Greene | 316577 | 434103 |
| Aster pilosus Willd. | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pilosum | | | Aster pilosus Willd. | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pilosum | 316578 | 434280 |
| Aster vialis (M. E. Bradshaw) S. F. Blake | Eucephalus vialis M. E. Bradshaw | | | Aster vialis (M. E. Bradshaw) S. F. Blake | Eucephalus vialis M. E. Bradshaw | 400548 | 400893 |
| Aster puniceus L. var. scabricaulis (Shinners) A. G. Jones | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. scabricaule (Shinners) G. L. Nesom | | i | Aster puniceus L. var.scabricaulis (Shinners) A. G. Jones | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.scabricaule (Shinners) G. L. Nesom | 402339 | 434294 |
| Aster scabricaulis Shinners | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. scabricaule (Shinners) G. L. Nesom | | | Aster scabricaulis Shinners | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.scabricaule (Shinners) G. L. Nesom | 402340 | 434294 |
| Aster falcatus Lindl. var. commutatus (Torr. & A. Gray) A. G. Jones | Symphyotrichum falcatum (Lindl.) G. L. Nesom var. commutatum (Torr. & A. Gray) G. L. Nesom | | i | Aster falcatus Lindl. var.commutatus (Torr. & A. Gray) A. G. Jones | Symphyotrichum falcatum (Lindl.) G. L. Nesom var.commutatum (Torr. & A. Gray) G. L. Nesom | 404187 | 406992 |
| Aster multiflorus Aiton var. commutatus Torr. & A. Gray | Symphyotrichum falcatum (Lindl.) G. L. Nesom var. commutatum (Torr. & A. Gray) G. L. Nesom | | i | Aster multiflorus Aiton var.commutatus Torr. & A. Gray | Symphyotrichum falcatum (Lindl.) G. L. Nesom var.commutatum (Torr. & A. Gray) G. L. Nesom | 404188 | 406992 |
| Aster commutatus (Torr. & A. Gray) A. Gray | Symphyotrichum falcatum (Lindl.) G. L. Nesom var. commutatum (Torr. & A. Gray) G. L. Nesom | | | Aster commutatus (Torr. & A. Gray) A. Gray | Symphyotrichum falcatum (Lindl.) G. L. Nesom var.commutatum (Torr. & A. Gray) G. L. Nesom | 404189 | 406992 |
| Aster ascendens Lindl. | Symphyotrichum ascendens (Lindl.) G. L. Nesom | | | Aster ascendens Lindl. | Symphyotrichum ascendens (Lindl.) G. L. Nesom | 404190 | 406989 |
| Aster praealtus Poir. var. coerulescens (DC.) A. G. Jones | Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum | | i | Aster praealtus Poir. var.coerulescens (DC.) A. G. Jones | Symphyotrichum praealtum (Poir.) G. L. Nesom var.praealtum | 404191 | 434287 |
| Aster coerulescens DC. | Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum | | | Aster coerulescens DC. | Symphyotrichum praealtum (Poir.) G. L. Nesom var.praealtum | 404192 | 434287 |
| Aster laevis L. var. laevis | Symphyotrichum laeve (L.) Á. Löve & D. Löve var. laeve | | i | Aster laevis L. var.laevis | Symphyotrichum laeve (L.) Á. Löve & D. Löve var.laeve | 404197 | 434242 |
| Aster laevis L. var. geyeri A. Gray | Symphyotrichum laeve (L.) Á. Löve & D. Löve var. geyeri (A. Gray) G. L. Nesom | | i | Aster laevis L. var.geyeri A. Gray | Symphyotrichum laeve (L.) Á. Löve & D. Löve var.geyeri (A. Gray) G. L. Nesom | 404198 | 406993 |
| Aster spathulatus Lindl. | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var. spathulatum | | | Aster spathulatus Lindl. | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var.spathulatum | 404199 | 434308 |
| Aster occidentalis (Nutt.) Torr. & A. Gray | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var. spathulatum | | | Aster occidentalis (Nutt.) Torr. & A. Gray | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var.spathulatum | 404200 | 434308 |
| Aster bigelovii A. Gray | Dieteria bigelovii (A. Gray) D. R. Morgan & R. L. Hartm. var. bigelovii | | | Aster bigelovii A. Gray | Dieteria bigelovii (A. Gray) D. R. Morgan & R. L. Hartm. var.bigelovii | 404915 | 452974 |
| Aster canescens Pursh | Dieteria canescens (Pursh) Nutt. var. canescens | | | Aster canescens Pursh | Dieteria canescens (Pursh) Nutt. var.canescens | 404916 | 452956 |
| Aster praealtus Poir. var. angustior Wiegand | Symphyotrichum praealtum (Poir.) G. L. Nesom var. angustior (Wiegand) G. L. Nesom | | i | Aster praealtus Poir. var.angustior Wiegand | Symphyotrichum praealtum (Poir.) G. L. Nesom var.angustior (Wiegand) G. L. Nesom | 406998 | 434286 |
| Aster vahlii (Gaudich.) Hook. & Arn. | Symphyotrichum vahlii (Gaudich.) G. L. Nesom var. vahlii | | | Aster vahlii (Gaudich.) Hook. & Arn. | Symphyotrichum vahlii (Gaudich.) G. L. Nesom var.vahlii | 409043 | 434328 |
| Aster squamatus (Spreng.) Hieron. | Symphyotrichum subulatum (Michx.) G. L. Nesom var. squamatum (Spreng.) S. D. Sundb. | | | Aster squamatus (Spreng.) Hieron. | Symphyotrichum subulatum (Michx.) G. L. Nesom var.squamatum (Spreng.) S. D. Sundb. | 409045 | 448832 |
| Aster sedifolius L. subsp. sedifolius | Galatella sedifolia (L.) Greuter subsp. sedifolia | | i | Aster sedifolius L. subsp. sedifolius | Galatella sedifolia (L.) Greuter subsp. sedifolia | 409049 | 469038 |
| Aster sedifolius L. subsp. dracunculoides (Lam.) Merxm. | Galatella sedifolia (L.) Greuter subsp. dracunculoides (Lam.) Greuter | | i | Aster sedifolius L. subsp. dracunculoides (Lam.) Merxm. | Galatella sedifolia (L.) Greuter subsp. dracunculoides (Lam.) Greuter | 409050 | 469035 |
| Aster dracunculoides Lam. | Galatella sedifolia (L.) Greuter subsp. dracunculoides (Lam.) Greuter | | | Aster dracunculoides Lam. | Galatella sedifolia (L.) Greuter subsp. dracunculoides (Lam.) Greuter | 409051 | 469035 |
| Aster punctatus Waldst. & Kit. | Galatella sedifolia (L.) Greuter subsp. sedifolia | | | Aster punctatus Waldst. & Kit. | Galatella sedifolia (L.) Greuter subsp. sedifolia | 409052 | 469038 |
| Aster bietii Franch. | | a | | Aster bietii Franch. | | 409053 | |
| Aster brachytrichus Franch. | | a | | Aster brachytrichus Franch. | | 409055 | |
| Aster caucasicus Willd. | | a | | Aster caucasicus Willd. | | 409064 | |
| Aster glehnii F. Schmidt | | a | | Aster glehnii F. Schmidt | | 409065 | |
| Aster amellus L. subsp. amellus | | a | i | Aster amellus L. subsp. amellus | | 409066 | |
| Aster amellus L. subsp. ibericus (M. Bieb.) V. E. Avet. | | a | i | Aster amellus L. subsp. ibericus (M. Bieb.) V. E. Avet. | | 409067 | |
| Aster ibericus M. Bieb. | Aster amellus L. subsp. ibericus (M. Bieb.) V. E. Avet. | | | Aster ibericus M. Bieb. | Aster amellus L. subsp. ibericus (M. Bieb.) V. E. Avet. | 409068 | 409067 |
| Aster linosyris (L.) Bernh. | Galatella linosyris (L.) Rchb. f. | | | Aster linosyris (L.) Bernh. | Galatella linosyris (L.) Rchb. f. | 409069 | 465895 |
| Aster maackii Regel | | a | | Aster maackii Regel | | 409070 | |
| Aster mongolicus Franch. | | a | | Aster mongolicus Franch. | | 409076 | |
| Aster oreophilus Franch. | | a | | Aster oreophilus Franch. | | 409077 | |
| Aster pyrenaeus Desf. ex DC. | | a | | Aster pyrenaeus Desf. ex DC. | | 409078 | |
| Aster alpinus L. var. alpinus | | a | i | Aster alpinus L. var.alpinus | | 409079 | |
| Aster alpinus L. var. serpentimontanus (Tamamsch.) Y. Ling | | a | i | Aster alpinus L. var.serpentimontanus (Tamamsch.) Y. Ling | | 409080 | |
| Aster serpentimontanus Tamamsch. | Aster alpinus L. var. serpentimontanus (Tamamsch.) Y. Ling | | | Aster serpentimontanus Tamamsch. | Aster alpinus L. var.serpentimontanus (Tamamsch.) Y. Ling | 409081 | 409080 |
| Aster rotundifolius Thunb. | Felicia amelloides (L.) Voss | | | Aster rotundifolius Thunb. | Felicia amelloides (L.) Voss | 409084 | 401673 |
| Aster uliginosus J. M. Wood & M. S. Evans | Felicia uliginosa (J. M. Wood & M. S. Evans) Grau | | | Aster uliginosus J. M. Wood & M. S. Evans | Felicia uliginosa (J. M. Wood & M. S. Evans) Grau | 409086 | 409085 |
| Aster ×salignus Willd. | Symphyotrichum ×salignum (Willd.) G. L. Nesom | | | Aster salignus Willd. | Symphyotrichum salignum (Willd.) G. L. Nesom | 409087 | 434333 |
| Aster sibiricus L. | Eurybia sibirica (L.) G. L. Nesom | | | Aster sibiricus L. | Eurybia sibirica (L.) G. L. Nesom | 409088 | 434139 |
| Aster subintegerrimus (Trautv.) Ostenf. & Resvoll | Eurybia sibirica (L.) G. L. Nesom | | | Aster subintegerrimus (Trautv.) Ostenf. & Resvoll | Eurybia sibirica (L.) G. L. Nesom | 409089 | 434139 |
| Aster ×versicolor Willd. | Symphyotrichum ×versicolor (Willd.) G. L. Nesom | | | Aster versicolor Willd. | Symphyotrichum versicolor (Willd.) G. L. Nesom | 409091 | 434351 |
| Aster tibeticus Hook. f. | Aster flaccidus Bunge subsp. flaccidus var. flaccidus | | | Aster tibeticus Hook. f. | Aster flaccidus Bunge subsp. flaccidus var.flaccidus | 409092 | 433633 |
| Aster tripolium L. | Tripolium pannonicum (Jacq.) Dobrocz. subsp. tripolium (L.) Greuter | | | Aster tripolium L. | Tripolium pannonicum (Jacq.) Dobrocz. subsp. tripolium (L.) Greuter | 409093 | 459982 |
| Aster tripolium L. subsp. tripolium | Tripolium pannonicum (Jacq.) Dobrocz. subsp. tripolium (L.) Greuter | | i | Aster tripolium L. subsp. tripolium | Tripolium pannonicum (Jacq.) Dobrocz. subsp. tripolium (L.) Greuter | 409095 | 459982 |
| Aster tripolium L. subsp. pannonicus (Jacq.) Soó | Tripolium pannonicum (Jacq.) Dobrocz. subsp. pannonicum | | i | Aster tripolium L. subsp. pannonicus (Jacq.) Soó | Tripolium pannonicum (Jacq.) Dobrocz. subsp. pannonicum | 409096 | 459981 |
| Aster minor Kuntze | Oreochrysum parryi (A. Gray) Rydb. | | | Aster minor Kuntze | Oreochrysum parryi (A. Gray) Rydb. | 409567 | 450013 |
| Aster garibaldii Brügger | Aster alpinus L. var. alpinus | | | Aster garibaldii Brügger | Aster alpinus L. var.alpinus | 409603 | 409079 |
| Aster hybridus hort. var. luteus hort. | ×Solidaster luteus (Everett) M. L. Green ex Dress | | i | Aster hybridus hort. var.luteus hort. | Solidaster luteus (Everett) M. L. Green ex Dress | 409611 | 409609 |
| Aster conyzae Griess. | Pentanema conyzae (Griess.) D. Gut. Larr. et al. | | | Aster conyzae Griess. | Pentanema conyzae (Griess.) D. Gut. Larr. et al. | 410059 | 480431 |
| Aster parryi A. Gray | Xylorhiza glabriuscula Nutt. | | | Aster parryi A. Gray | Xylorhiza glabriuscula Nutt. | 410392 | 410049 |
| Aster alpinus L. var. dolomiticus (Beck) Onno | Aster alpinus L. var. alpinus | | i | Aster alpinus L. var.dolomiticus (Beck) Onno | Aster alpinus L. var.alpinus | 410703 | 409079 |
| Aster undulatus L. | Symphyotrichum undulatum (L.) G. L. Nesom | | | Aster undulatus L. | Symphyotrichum undulatum (L.) G. L. Nesom | 413461 | 434324 |
| Aster mohrii E. S. Burgess | Symphyotrichum undulatum (L.) G. L. Nesom | | | Aster mohrii E. S. Burgess | Symphyotrichum undulatum (L.) G. L. Nesom | 413462 | 434324 |
| Aster baldwinii Torr. & A. Gray | Symphyotrichum undulatum (L.) G. L. Nesom | | | Aster baldwinii Torr. & A. Gray | Symphyotrichum undulatum (L.) G. L. Nesom | 413463 | 434324 |
| Aster bellus S. F. Blake | Chaetopappa ericoides (Torr.) G. L. Nesom | | | Aster bellus S. F. Blake | Chaetopappa ericoides (Torr.) G. L. Nesom | 413466 | 413464 |
| Aster divaricatus L. | Eurybia divaricata (L.) G. L. Nesom | | | Aster divaricatus L. | Eurybia divaricata (L.) G. L. Nesom | 413508 | 434117 |
| Aster claytonii E. S. Burgess | Eurybia divaricata (L.) G. L. Nesom | | | Aster claytonii E. S. Burgess | Eurybia divaricata (L.) G. L. Nesom | 413510 | 434117 |
| Aster flexilis E. S. Burgess | Eurybia divaricata (L.) G. L. Nesom | | | Aster flexilis E. S. Burgess | Eurybia divaricata (L.) G. L. Nesom | 413525 | 434117 |
| Aster foliaceus Lindl. | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var. foliaceum | | | Aster foliaceus Lindl. | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var.foliaceum | 413527 | 434223 |
| Aster pilosus Willd. var. pilosus | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pilosum | | i | Aster pilosus Willd. var.pilosus | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pilosum | 413531 | 434280 |
| Aster pilosus Willd. var. pringlei (A. Gray) S. F. Blake | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pringlei (A. Gray) G. L. Nesom | | i | Aster pilosus Willd. var.pringlei (A. Gray) S. F. Blake | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pringlei (A. Gray) G. L. Nesom | 413532 | 434281 |
| Aster faxonii Porter | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pringlei (A. Gray) G. L. Nesom | | | Aster faxonii Porter | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pringlei (A. Gray) G. L. Nesom | 413533 | 434281 |
| Aster ericoides L. var. pringlei A. Gray | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pringlei (A. Gray) G. L. Nesom | | i | Aster ericoides L. var.pringlei A. Gray | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pringlei (A. Gray) G. L. Nesom | 413534 | 434281 |
| Aster ericoides L. var. commutatus (Torr. & A. Gray) B. Boivin | Symphyotrichum falcatum (Lindl.) G. L. Nesom var. commutatum (Torr. & A. Gray) G. L. Nesom | | i | Aster ericoides L. var.commutatus (Torr. & A. Gray) B. Boivin | Symphyotrichum falcatum (Lindl.) G. L. Nesom var.commutatum (Torr. & A. Gray) G. L. Nesom | 413535 | 406992 |
| Aster wasatchensis (M. E. Jones) S. F. Blake | Herrickia wasatchensis (M. E. Jones) Brouillet | | | Aster wasatchensis (M. E. Jones) S. F. Blake | Herrickia wasatchensis (M. E. Jones) Brouillet | 413564 | 460268 |
| Aster glaucus (Nutt.) Torr. & A. Gray var. wasatchensis M. E. Jones | Herrickia wasatchensis (M. E. Jones) Brouillet | | i | Aster glaucus (Nutt.) Torr. & A. Gray var.wasatchensis M. E. Jones | Herrickia wasatchensis (M. E. Jones) Brouillet | 413565 | 460268 |
| Aster lateriflorus (L.) Britton var. indutus Shinners | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. flagellare (Shinners) G. L. Nesom | | i | Aster lateriflorus (L.) Britton var.indutus Shinners | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.flagellare (Shinners) G. L. Nesom | 413566 | 434251 |
| Aster sericeus Vent. | Symphyotrichum sericeum (Vent.) G. L. Nesom | | | Aster sericeus Vent. | Symphyotrichum sericeum (Vent.) G. L. Nesom | 413567 | 434303 |
| Aster sericeus Vent. var. microphyllus DC. | Symphyotrichum pratense (Raf.) G. L. Nesom | | i | Aster sericeus Vent. var.microphyllus DC. | Symphyotrichum pratense (Raf.) G. L. Nesom | 413569 | 434288 |
| Aster pratensis Raf. | Symphyotrichum pratense (Raf.) G. L. Nesom | | | Aster pratensis Raf. | Symphyotrichum pratense (Raf.) G. L. Nesom | 413570 | 434288 |
| Aster calvatus (Baker) Herter | Noticastrum calvatum (Baker) Cuatrec. | | | Aster calvatus (Baker) Herter | Noticastrum calvatum (Baker) Cuatrec. | 413741 | 413740 |
| Aster puniceus L. var. elliottii (Torr. & A. Gray) A. G. Jones | Symphyotrichum elliottii (Torr. & A. Gray) G. L. Nesom | | i | Aster puniceus L. var.elliottii (Torr. & A. Gray) A. G. Jones | Symphyotrichum elliottii (Torr. & A. Gray) G. L. Nesom | 413743 | 434211 |
| Aster elliottii Torr. & A. Gray | Symphyotrichum elliottii (Torr. & A. Gray) G. L. Nesom | | | Aster elliottii Torr. & A. Gray | Symphyotrichum elliottii (Torr. & A. Gray) G. L. Nesom | 413744 | 434211 |
| Aster lateriflorus (L.) Britton var. hirsuticaulis (Lindl.) Porter | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. hirsuticaule (Lindl.) G. L. Nesom | | i | Aster lateriflorus (L.) Britton var.hirsuticaulis (Lindl.) Porter | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.hirsuticaule (Lindl.) G. L. Nesom | 413745 | 434252 |
| Aster tradescantii L. | Symphyotrichum tradescantii (L.) G. L. Nesom | | | Aster tradescantii L. | Symphyotrichum tradescantii (L.) G. L. Nesom | 413746 | 434320 |
| Aster hirsuticaulis Lindl. | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. hirsuticaule (Lindl.) G. L. Nesom | | | Aster hirsuticaulis Lindl. | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.hirsuticaule (Lindl.) G. L. Nesom | 413747 | 434252 |
| Aster lateriflorus (L.) Britton var. tenuipes Wiegand | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. tenuipes (Wiegand) G. L. Nesom | | i | Aster lateriflorus (L.) Britton var.tenuipes Wiegand | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.tenuipes (Wiegand) G. L. Nesom | 413748 | 434254 |
| Aster acadiensis Shinners | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. tenuipes (Wiegand) G. L. Nesom | | | Aster acadiensis Shinners | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.tenuipes (Wiegand) G. L. Nesom | 413749 | 434254 |
| Aster commixtus auct. | Eurybia mirabilis (Torr. & A. Gray) G. L. Nesom | | | Aster commixtus auct. | Eurybia mirabilis (Torr. & A. Gray) G. L. Nesom | 413750 | 434129 |
| Aster mirabilis Torr. & A. Gray | Eurybia mirabilis (Torr. & A. Gray) G. L. Nesom | | | Aster mirabilis Torr. & A. Gray | Eurybia mirabilis (Torr. & A. Gray) G. L. Nesom | 413751 | 434129 |
| Aster brevilingulatus (Sch. Bip. ex Hemsl.) McVaugh | Psilactis brevilingulata Sch. Bip. ex Hemsl. | | | Aster brevilingulatus (Sch. Bip. ex Hemsl.) McVaugh | Psilactis brevilingulata Sch. Bip. ex Hemsl. | 413866 | 413865 |
| Aster exscapus Richardson | Townsendia exscapa (Richardson) Porter | | | Aster exscapus Richardson | Townsendia exscapa (Richardson) Porter | 413890 | 413889 |
| Aster oolentangiensis Riddell | Symphyotrichum oolentangiense (Riddell) G. L. Nesom | | | Aster oolentangiensis Riddell | Symphyotrichum oolentangiense (Riddell) G. L. Nesom | 416343 | 434270 |
| Aster azureus Lindl. | Symphyotrichum oolentangiense (Riddell) G. L. Nesom | | | Aster azureus Lindl. | Symphyotrichum oolentangiense (Riddell) G. L. Nesom | 416344 | 434270 |
| Aster peregrinus Pursh | Erigeron peregrinus (Pursh) Greene | | | Aster peregrinus Pursh | Erigeron peregrinus (Pursh) Greene | 417220 | 417219 |
| Aster elegans Torr. & A. Gray var. engelmannii D. C. Eaton | Eucephalus engelmannii (D. C. Eaton) Greene | | i | Aster elegans Torr. & A. Gray var.engelmannii D. C. Eaton | Eucephalus engelmannii (D. C. Eaton) Greene | 420058 | 434103 |
| Aster palmeri A. Gray | Neonesomia palmeri (A. Gray) Urbatsch & R. P. Roberts | | | Aster palmeri A. Gray | Neonesomia palmeri (A. Gray) Urbatsch & R. P. Roberts | 420193 | 447142 |
| Aster spinosus Benth. | Chloracantha spinosa (Benth.) G. L. Nesom | | | Aster spinosus Benth. | Chloracantha spinosa (Benth.) G. L. Nesom | 420197 | 420196 |
| Aster viscosus Labill. | Olearia viscosa (Labill.) Benth. | | | Aster viscosus Labill. | Olearia viscosa (Labill.) Benth. | 433247 | 25616 |
| Aster myrsinoides Labill. | Olearia myrsinoides (Labill.) F. Muell. ex Benth. | | | Aster myrsinoides Labill. | Olearia myrsinoides (Labill.) F. Muell. ex Benth. | 433249 | 25595 |
| Aster phlogopappus Labill. | Olearia phlogopappa (Labill.) DC. var. phlogopappa | | | Aster phlogopappus Labill. | Olearia phlogopappa (Labill.) DC. var.phlogopappa | 433252 | 433250 |
| Aster ramulosus Labill. | Olearia ramulosa (Labill.) Benth. | | | Aster ramulosus Labill. | Olearia ramulosa (Labill.) Benth. | 433253 | 25608 |
| Aster alpinus L. var. vierhapperi (Onno) Cronquist | | a | i | Aster alpinus L. var.vierhapperi (Onno) Cronquist | | 433258 | |
| Aster alpinus L. subsp. vierhapperi Onno | Aster alpinus L. var. vierhapperi (Onno) Cronquist | | i | Aster alpinus L. subsp. vierhapperi Onno | Aster alpinus L. var.vierhapperi (Onno) Cronquist | 433259 | 433258 |
| Aster racemosus Elliott | Symphyotrichum racemosum (Elliott) G. L. Nesom | | | Aster racemosus Elliott | Symphyotrichum racemosum (Elliott) G. L. Nesom | 433260 | 434295 |
| Aster batangensis Bureau & Franch. | | a | | Aster batangensis Bureau & Franch. | | 433261 | |
| Aster batangensis Bureau & Franch. var. batangensis | | a | i | Aster batangensis Bureau & Franch. var.batangensis | | 433262 | |
| Aster batangensis Bureau & Franch. var. staticifolius (Franch.) Y. Ling | | a | i | Aster batangensis Bureau & Franch. var.staticifolius (Franch.) Y. Ling | | 433263 | |
| Aster trinervius Roxb. ex D. Don | | a | | Aster trinervius Roxb. ex D. Don | | 433264 | |
| Aster macrophyllus L. | Eurybia macrophylla (L.) Cass. ex Nees | | | Aster macrophyllus L. | Eurybia macrophylla (L.) Cass. ex Nees | 433561 | 434126 |
| Aster schreberi Nees | Eurybia schreberi (Nees) Nees | | | Aster schreberi Nees | Eurybia schreberi (Nees) Nees | 433562 | 434138 |
| Aster patulus Lam. | | a | | Aster patulus Lam. | | 433563 | |
| Aster willkommii Sch. Bip. | | a | | Aster willkommii Sch. Bip. | | 433564 | |
| Aster bellidiastrum (L.) Scop. | Bellidiastrum michelii Cass. | | | Aster bellidiastrum (L.) Scop. | Bellidiastrum michelii Cass. | 433570 | 447368 |
| Aster sedifolius L. subsp. canus (Waldst. & Kit.) Merxm. | Galatella cana (Waldst. & Kit.) Nees | | i | Aster sedifolius L. subsp. canus (Waldst. & Kit.) Merxm. | Galatella cana (Waldst. & Kit.) Nees | 433572 | 465897 |
| Aster canus Waldst. & Kit. | Galatella cana (Waldst. & Kit.) Nees | | | Aster canus Waldst. & Kit. | Galatella cana (Waldst. & Kit.) Nees | 433573 | 465897 |
| Aster sedifolius L. subsp. illyricus (Murb.) Merxm. | Galatella sedifolia (L.) Greuter subsp. illyrica (Murb.) Greuter | | i | Aster sedifolius L. subsp. illyricus (Murb.) Merxm. | Galatella sedifolia (L.) Greuter subsp. illyrica (Murb.) Greuter | 433574 | 469037 |
| Aster sedifolius L. subsp. trinervis (Pers.) Thell. | Galatella sedifolia (L.) Greuter subsp. rigida (DC.) Greuter | | i | Aster sedifolius L. subsp. trinervis (Pers.) Thell. | Galatella sedifolia (L.) Greuter subsp. rigida (DC.) Greuter | 433575 | 469040 |
| Aster sedifolius L. subsp. angustissimus (Tausch) Merxm. | Galatella angustissima (Tausch) Novopokr. | | i | Aster sedifolius L. subsp. angustissimus (Tausch) Merxm. | Galatella angustissima (Tausch) Novopokr. | 433576 | 469034 |
| Aster angustissimus Tausch | Galatella angustissima (Tausch) Novopokr. | | | Aster angustissimus Tausch | Galatella angustissima (Tausch) Novopokr. | 433577 | 469034 |
| Aster albanicus (Degen) Degen | Galatella albanica Degen | | | Aster albanicus (Degen) Degen | Galatella albanica Degen | 433579 | 465894 |
| Aster aragonensis Asso | | a | | Aster aragonensis Asso | | 433580 | |
| Aster creticus (Gand.) Rech. f. | | a | | Aster creticus (Gand.) Rech. f. | | 433581 | |
| Aster oleifolius (Lam.) Wagenitz | Galatella villosa (L.) Rchb. f. | | | Aster oleifolius (Lam.) Wagenitz | Galatella villosa (L.) Rchb. f. | 433583 | 469046 |
| Aster tarbagatensis (K. Koch) Merxm. | Galatella tartarica (Less.) Novopokr. | | | Aster tarbagatensis (K. Koch) Merxm. | Galatella tartarica (Less.) Novopokr. | 433585 | 469042 |
| Aster parviceps (E. S. Burgess) Mack. & Bush | Symphyotrichum parviceps (E. S. Burgess) G. L. Nesom | | | Aster parviceps (E. S. Burgess) Mack. & Bush | Symphyotrichum parviceps (E. S. Burgess) G. L. Nesom | 433588 | 434271 |
| Aster fauriei H. Lév. & Vaniot | Aster spathulifolius Maxim. | | | Aster fauriei H. Lév. & Vaniot | Aster spathulifolius Maxim. | 433590 | 5659 |
| Aster richardsonii Spreng. | Eurybia sibirica (L.) G. L. Nesom | | | Aster richardsonii Spreng. | Eurybia sibirica (L.) G. L. Nesom | 433598 | 434139 |
| Aster suputinicus Tamamsch. | Aster ageratoides Turcz. var. ageratoides | | | Aster suputinicus Tamamsch. | Aster ageratoides Turcz. var.ageratoides | 433600 | 433660 |
| Aster luxurifolius Tamamsch. | Aster ageratoides Turcz. var. ageratoides | | | Aster luxurifolius Tamamsch. | Aster ageratoides Turcz. var.ageratoides | 433601 | 433660 |
| Aster see-burejensis Tamamsch. | Aster ageratoides Turcz. var. ageratoides | | | Aster see-burejensis Tamamsch. | Aster ageratoides Turcz. var.ageratoides | 433602 | 433660 |
| Aster pensauensis Tamamsch. | Aster ageratoides Turcz. var. ageratoides | | | Aster pensauensis Tamamsch. | Aster ageratoides Turcz. var.ageratoides | 433603 | 433660 |
| Aster sutschanensis Kom. | Aster ageratoides Turcz. var. ageratoides | | | Aster sutschanensis Kom. | Aster ageratoides Turcz. var.ageratoides | 433604 | 433660 |
| Aster tolmatschevii Tamamsch. | | a | | Aster tolmatschevii Tamamsch. | | 433605 | |
| Aster korshinskyi Tamamsch. | Aster alpinus L. var. alpinus | | | Aster korshinskyi Tamamsch. | Aster alpinus L. var.alpinus | 433606 | 409079 |
| Aster fallax Tamamsch. | Aster alpinus L. var. fallax (Tamamsch.) Y. Ling | | | Aster fallax Tamamsch. | Aster alpinus L. var.fallax (Tamamsch.) Y. Ling | 433607 | 433723 |
| Aster bessarabicus Bernh. ex Rchb. | Aster amellus L. subsp. amellus | | | Aster bessarabicus Bernh. ex Rchb. | Aster amellus L. subsp. amellus | 433608 | 409066 |
| Aster vvedenskyi Bondarenko | | a | | Aster vvedenskyi Bondarenko | | 433609 | |
| Aster woroschilowii Zdor. & Schapoval | | a | | Aster woroschilowii Zdor. & Schapoval | | 433610 | |
| Aster colchicus Albov | | a | | Aster colchicus Albov | | 433611 | |
| Aster subulatus Michx. | Symphyotrichum subulatum (Michx.) G. L. Nesom var. subulatum | | | Aster subulatus Michx. | Symphyotrichum subulatum (Michx.) G. L. Nesom var.subulatum | 433612 | 448833 |
| Aster aitchisonii Boiss. | | a | | Aster aitchisonii Boiss. | | 433613 | |
| Aster albescens (DC.) Hand.-Mazz. | | a | | Aster albescens (DC.) Hand.-Mazz. | | 433614 | |
| Aster diplostephioides (DC.) C. B. Clarke var. falconeri C. B. Clarke | Aster falconeri (C. B. Clarke) Hutch. subsp. falconeri | | i | Aster diplostephioides (DC.) C. B. Clarke var.falconeri C. B. Clarke | Aster falconeri (C. B. Clarke) Hutch. subsp. falconeri | 433616 | 433630 |
| Aster flaccidus Bunge subsp. flaccidus | | a | i | Aster flaccidus Bunge subsp. flaccidus | | 433618 | |
| Aster flaccidus Bunge subsp. glandulosus (Keissl.) Onno | | a | i | Aster flaccidus Bunge subsp. glandulosus (Keissl.) Onno | | 433620 | |
| Aster indamellus Grierson | | a | | Aster indamellus Grierson | | 433622 | |
| Aster laka C. B. Clarke | | a | | Aster laka C. B. Clarke | | 433623 | |
| Aster molliusculus (Lindl.) C. B. Clarke | | a | | Aster molliusculus (Lindl.) C. B. Clarke | | 433624 | |
| Aster peduncularis Wall. ex Nees | | a | | Aster peduncularis Wall. ex Nees | | 433626 | |
| Aster albescens (DC.) Hand.-Mazz. var. glandulosus Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.glandulosus Hand.-Mazz. | | 433627 | |
| Aster albescens (DC.) Hand.-Mazz. var. niveus Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.niveus Hand.-Mazz. | | 433628 | |
| Aster barbellatus Grierson | | a | | Aster barbellatus Grierson | | 433629 | |
| Aster falconeri (C. B. Clarke) Hutch. subsp. falconeri | | a | i | Aster falconeri (C. B. Clarke) Hutch. subsp. falconeri | | 433630 | |
| Aster falconeri (C. B. Clarke) Hutch. subsp. nepalensis Grierson | | a | i | Aster falconeri (C. B. Clarke) Hutch. subsp. nepalensis Grierson | | 433631 | |
| Aster flaccidus Bunge subsp. flaccidus var. griseobarbatus Grierson | | a | i | Aster flaccidus Bunge subsp. flaccidus var.griseobarbatus Grierson | | 433632 | |
| Aster flaccidus Bunge subsp. flaccidus var. flaccidus | | a | i | Aster flaccidus Bunge subsp. flaccidus var.flaccidus | | 433633 | |
| Aster heliopsis Grierson | | a | | Aster heliopsis Grierson | | 433634 | |
| Aster molliusculus (Lindl.) C. B. Clarke var. minor Grierson | | a | i | Aster molliusculus (Lindl.) C. B. Clarke var.minor Grierson | | 433635 | |
| Aster molliusculus (Lindl.) C. B. Clarke var. molliusculus | | a | i | Aster molliusculus (Lindl.) C. B. Clarke var.molliusculus | | 433636 | |
| Aster neoelegans Grierson | | a | | Aster neoelegans Grierson | | 433637 | |
| Aster platylepis Y. L. Chen | | a | | Aster platylepis Y. L. Chen | | 433638 | |
| Aster pycnophyllus W. W. Sm. | | a | | Aster pycnophyllus W. W. Sm. | | 433639 | |
| Aster trinervius Roxb. ex D. Don var. trinervius | | a | i | Aster trinervius Roxb. ex D. Don var.trinervius | | 433640 | |
| Aster trinervius Roxb. ex D. Don var. wattii (C. B. Clarke) Grierson | | a | i | Aster trinervius Roxb. ex D. Don var.wattii (C. B. Clarke) Grierson | | 433641 | |
| Aster wattii C. B. Clarke | Aster trinervius Roxb. ex D. Don var. wattii (C. B. Clarke) Grierson | | | Aster wattii C. B. Clarke | Aster trinervius Roxb. ex D. Don var.wattii (C. B. Clarke) Grierson | 433642 | 433641 |
| Aster vestitus Franch. | | a | | Aster vestitus Franch. | | 433643 | |
| Aster fuscescens Bureau & Franch. var. fuscescens | | a | i | Aster fuscescens Bureau & Franch. var.fuscescens | | 433644 | |
| Aster fuscescens Bureau & Franch. var. scaberoides C. C. Chang | | a | i | Aster fuscescens Bureau & Franch. var.scaberoides C. C. Chang | | 433645 | |
| Aster fuscescens Bureau & Franch. var. oblongifolius Grierson | | a | i | Aster fuscescens Bureau & Franch. var.oblongifolius Grierson | | 433646 | |
| Aster auriculatus Franch. | | a | | Aster auriculatus Franch. | | 433647 | |
| Aster veitchianus Hutch. & J. R. Drumm. ex Y. Ling | | a | | Aster veitchianus Hutch. & J. R. Drumm. ex Y. Ling | | 433649 | |
| Aster sphaerotus Y. Ling | | a | | Aster sphaerotus Y. Ling | | 433650 | |
| Aster panduratus Nees ex Walp. | | a | | Aster panduratus Nees ex Walp. | | 433651 | |
| Aster trichoneurus Y. Ling | | a | | Aster trichoneurus Y. Ling | | 433652 | |
| Aster mangshanensis Y. Ling | | a | | Aster mangshanensis Y. Ling | | 433653 | |
| Aster poliothamnus Diels | | a | | Aster poliothamnus Diels | | 433654 | |
| Aster sikuensis W. W. Sm. & Farrer | | a | | Aster sikuensis W. W. Sm. & Farrer | | 433655 | |
| Aster taliangshanensis Y. Ling | | a | | Aster taliangshanensis Y. Ling | | 433656 | |
| Aster procerus Hemsl. | | a | | Aster procerus Hemsl. | | 433657 | |
| Aster smithianus Hand.-Mazz. | | a | | Aster smithianus Hand.-Mazz. | | 433658 | |
| Aster dolichopodus Y. Ling | | a | | Aster dolichopodus Y. Ling | | 433659 | |
| Aster ageratoides Turcz. var. ageratoides | | a | i | Aster ageratoides Turcz. var.ageratoides | | 433660 | |
| Aster ageratoides Turcz. var. firmus (Diels) Hand.-Mazz. | | a | i | Aster ageratoides Turcz. var.firmus (Diels) Hand.-Mazz. | | 433662 | |
| Aster trinervius Roxb. ex D. Don var. firmus Diels | Aster ageratoides Turcz. var. firmus (Diels) Hand.-Mazz. | | i | Aster trinervius Roxb. ex D. Don var.firmus Diels | Aster ageratoides Turcz. var.firmus (Diels) Hand.-Mazz. | 433663 | 433662 |
| Aster ageratoides Turcz. var. lasiocladus (Hayata) Hand.-Mazz. | | a | i | Aster ageratoides Turcz. var.lasiocladus (Hayata) Hand.-Mazz. | | 433664 | |
| Aster lasiocladus Hayata | Aster ageratoides Turcz. var. lasiocladus (Hayata) Hand.-Mazz. | | | Aster lasiocladus Hayata | Aster ageratoides Turcz. var.lasiocladus (Hayata) Hand.-Mazz. | 433665 | 433664 |
| Aster ageratoides Turcz. var. gerlachii (Hance) C. C. Chang ex Y. Ling | | a | i | Aster ageratoides Turcz. var.gerlachii (Hance) C. C. Chang ex Y. Ling | | 433666 | |
| Aster gerlachii Hance | Aster ageratoides Turcz. var. gerlachii (Hance) C. C. Chang ex Y. Ling | | | Aster gerlachii Hance | Aster ageratoides Turcz. var.gerlachii (Hance) C. C. Chang ex Y. Ling | 433667 | 433666 |
| Aster ageratoides Turcz. var. laticorymbus (Vaniot) Hand.-Mazz. | | a | i | Aster ageratoides Turcz. var.laticorymbus (Vaniot) Hand.-Mazz. | | 433668 | |
| Aster laticorymbus Vaniot | Aster ageratoides Turcz. var. laticorymbus (Vaniot) Hand.-Mazz. | | | Aster laticorymbus Vaniot | Aster ageratoides Turcz. var.laticorymbus (Vaniot) Hand.-Mazz. | 433669 | 433668 |
| Aster ageratoides Turcz. var. heterophyllus Maxim. | | a | i | Aster ageratoides Turcz. var.heterophyllus Maxim. | | 433670 | |
| Aster ageratoides Turcz. var. leiophyllus (Franch. & Sav.) Y. Ling | | a | i | Aster ageratoides Turcz. var.leiophyllus (Franch. & Sav.) Y. Ling | | 433671 | |
| Aster leiophyllus Franch. & Sav. | Aster ageratoides Turcz. var. leiophyllus (Franch. & Sav.) Y. Ling | | | Aster leiophyllus Franch. & Sav. | Aster ageratoides Turcz. var.leiophyllus (Franch. & Sav.) Y. Ling | 433672 | 433671 |
| Aster ageratoides Turcz. var. micranthus Y. Ling | | a | i | Aster ageratoides Turcz. var.micranthus Y. Ling | | 433673 | |
| Aster formosanus Hayata | | a | | Aster formosanus Hayata | | 433674 | |
| Aster acris L. unranked trinervis Pers. | Galatella sedifolia (L.) Greuter subsp. rigida (DC.) Greuter | | i | Aster acris L. unranked trinervis Pers. | Galatella sedifolia (L.) Greuter subsp. rigida (DC.) Greuter | 433675 | 469040 |
| Aster dolichophyllus Y. Ling | | a | | Aster dolichophyllus Y. Ling | | 433676 | |
| Aster moupinsensis (Franch.) Hand.-Mazz. | | a | | Aster moupinsensis (Franch.) Hand.-Mazz. | | 433677 | |
| Aster taiwanensis Kitam. | | a | | Aster taiwanensis Kitam. | | 433679 | |
| Aster homochlamydeus Hand.-Mazz. | | a | | Aster homochlamydeus Hand.-Mazz. | | 433680 | |
| Aster alatipes Hemsl. | | a | | Aster alatipes Hemsl. | | 433681 | |
| Aster limosus Hemsl. | | a | | Aster limosus Hemsl. | | 433682 | |
| Aster morrisonensis Hayata | | a | | Aster morrisonensis Hayata | | 433683 | |
| Aster hunanensis Hand.-Mazz. | | a | | Aster hunanensis Hand.-Mazz. | | 433684 | |
| Aster menelii H. Lév. | | a | | Aster menelii H. Lév. | | 433685 | |
| Aster gracilicaulis Y. Ling | | a | | Aster gracilicaulis Y. Ling | | 433686 | |
| Aster itsunboshi Kitam. | | a | | Aster itsunboshi Kitam. | | 433687 | |
| Aster hersileoides C. K. Schneid. | | a | | Aster hersileoides C. K. Schneid. | | 433688 | |
| Aster nitidus C. C. Chang | | a | | Aster nitidus C. C. Chang | | 433689 | |
| Aster albescens (DC.) Hand.-Mazz. var. albescens | | a | i | Aster albescens (DC.) Hand.-Mazz. var.albescens | | 433690 | |
| Aster albescens (DC.) Hand.-Mazz. var. levissimus Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.levissimus Hand.-Mazz. | | 433691 | |
| Aster albescens (DC.) Hand.-Mazz. var. discolor Y. Ling | | a | i | Aster albescens (DC.) Hand.-Mazz. var.discolor Y. Ling | | 433693 | |
| Aster albescens (DC.) Hand.-Mazz. var. salignus Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.salignus Hand.-Mazz. | | 433694 | |
| Aster albescens (DC.) Hand.-Mazz. var. pilosus Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.pilosus Hand.-Mazz. | | 433695 | |
| Aster albescens (DC.) Hand.-Mazz. var. rugosus Y. Ling | | a | i | Aster albescens (DC.) Hand.-Mazz. var.rugosus Y. Ling | | 433696 | |
| Aster albescens (DC.) Hand.-Mazz. var. limprichtii (Diels) Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.limprichtii (Diels) Hand.-Mazz. | | 433697 | |
| Aster limprichtii Diels | Aster albescens (DC.) Hand.-Mazz. var. limprichtii (Diels) Hand.-Mazz. | | | Aster limprichtii Diels | Aster albescens (DC.) Hand.-Mazz. var.limprichtii (Diels) Hand.-Mazz. | 433698 | 433697 |
| Aster albescens (DC.) Hand.-Mazz. var. gracilior Hand.-Mazz. | | a | i | Aster albescens (DC.) Hand.-Mazz. var.gracilior Hand.-Mazz. | | 433699 | |
| Aster albescens (DC.) Hand.-Mazz. var. megaphyllus Y. Ling | | a | i | Aster albescens (DC.) Hand.-Mazz. var.megaphyllus Y. Ling | | 433700 | |
| Aster fulgidulus Grierson | | a | | Aster fulgidulus Grierson | | 433701 | |
| Aster argyropholis Hand.-Mazz. | | a | | Aster argyropholis Hand.-Mazz. | | 433702 | |
| Aster argyropholis Hand.-Mazz. var. argyropholis | | a | i | Aster argyropholis Hand.-Mazz. var.argyropholis | | 433703 | |
| Aster argyropholis Hand.-Mazz. var. niveus Y. Ling | | a | i | Aster argyropholis Hand.-Mazz. var.niveus Y. Ling | | 433704 | |
| Aster argyropholis Hand.-Mazz. var. paradoxus Y. Ling | | a | i | Aster argyropholis Hand.-Mazz. var.paradoxus Y. Ling | | 433705 | |
| Aster hypoleucus Hand.-Mazz. | | a | | Aster hypoleucus Hand.-Mazz. | | 433706 | |
| Aster polius C. K. Schneid. | | a | | Aster polius C. K. Schneid. | | 433707 | |
| Aster lavanduliifolius Hand.-Mazz. | | a | | Aster lavanduliifolius Hand.-Mazz. | | 433708 | |
| Aster nigromontanus Dunn | | a | | Aster nigromontanus Dunn | | 433709 | |
| Aster falcifolius Hand.-Mazz. | | a | | Aster falcifolius Hand.-Mazz. | | 433710 | |
| Aster turbinatus S. Moore | | a | | Aster turbinatus S. Moore | | 433711 | |
| Aster turbinatus S. Moore var. turbinatus | | a | i | Aster turbinatus S. Moore var.turbinatus | | 433712 | |
| Aster turbinatus S. Moore var. chekiangensis Y. Ling | | a | i | Aster turbinatus S. Moore var.chekiangensis Y. Ling | | 433713 | |
| Aster baccharoides (Benth.) Steetz | | a | | Aster baccharoides (Benth.) Steetz | | 433714 | |
| Aster sinianus Hand.-Mazz. | | a | | Aster sinianus Hand.-Mazz. | | 433716 | |
| Aster velutinosus Y. Ling | | a | | Aster velutinosus Y. Ling | | 433717 | |
| Aster ovalifolius Kitam. | | a | | Aster ovalifolius Kitam. | | 433718 | |
| Aster sampsonii (Hance) Hemsl. | | a | | Aster sampsonii (Hance) Hemsl. | | 433719 | |
| Aster sampsonii (Hance) Hemsl. var. sampsonii | | a | i | Aster sampsonii (Hance) Hemsl. var.sampsonii | | 433721 | |
| Aster sampsonii (Hance) Hemsl. var. isochaetus C. C. Chang | | a | i | Aster sampsonii (Hance) Hemsl. var.isochaetus C. C. Chang | | 433722 | |
| Aster alpinus L. var. fallax (Tamamsch.) Y. Ling | | a | i | Aster alpinus L. var.fallax (Tamamsch.) Y. Ling | | 433723 | |
| Aster alpinus L. var. diversisquamus Y. Ling | | a | i | Aster alpinus L. var.diversisquamus Y. Ling | | 433724 | |
| Aster heterolepis Hand.-Mazz. | | a | | Aster heterolepis Hand.-Mazz. | | 433725 | |
| Aster tagasagomontanus Sasaki | | a | | Aster tagasagomontanus Sasaki | | 433726 | |
| Aster ionoglossus Y. Ling | | a | | Aster ionoglossus Y. Ling | | 433727 | |
| Aster lingulatus Franch. | | a | | Aster lingulatus Franch. | | 433728 | |
| Aster handelii Onno | | a | | Aster handelii Onno | | 433729 | |
| Aster souliei Franch. | | a | | Aster souliei Franch. | | 433730 | |
| Aster megalanthus Y. Ling | | a | | Aster megalanthus Y. Ling | | 433731 | |
| Aster giraldii Diels | | a | | Aster giraldii Diels | | 433732 | |
| Aster salwinensis Onno | | a | | Aster salwinensis Onno | | 433733 | |
| Aster tientschwanensis Hand.-Mazz. | | a | | Aster tientschwanensis Hand.-Mazz. | | 433734 | |
| Aster techinensis Y. Ling | | a | | Aster techinensis Y. Ling | | 433735 | |
| Aster retusus Ludlow | | a | | Aster retusus Ludlow | | 433736 | |
| Aster latibracteatus Franch. | | a | | Aster latibracteatus Franch. | | 433737 | |
| Aster bulleyanus Jeffrey | | a | | Aster bulleyanus Jeffrey | | 433738 | |
| Aster brachytrichus Franch. var. brachytrichus | | a | i | Aster brachytrichus Franch. var.brachytrichus | | 433739 | |
| Aster brachytrichus Franch. var. latifolius Y. Ling | | a | i | Aster brachytrichus Franch. var.latifolius Y. Ling | | 433740 | |
| Aster brachytrichus Franch. var. angustisquamus Y. Ling | | a | i | Aster brachytrichus Franch. var.angustisquamus Y. Ling | | 433741 | |
| Aster brachytrichus Franch. var. tenuiligulatus Y. Ling | | a | i | Aster brachytrichus Franch. var.tenuiligulatus Y. Ling | | 433742 | |
| Aster jeffreyanus Diels | | a | | Aster jeffreyanus Diels | | 433743 | |
| Aster prainii (J. R. Drumm.) Y. L. Chen | | a | | Aster prainii (J. R. Drumm.) Y. L. Chen | | 433745 | |
| Aster lanuginosus (Small) Y. Ling | | a | | Aster lanuginosus (Small) Y. Ling | | 433748 | |
| Aster likiangensis Franch. | | a | | Aster likiangensis Franch. | | 433750 | |
| Aster hololachnus Y. Ling | | a | | Aster hololachnus Y. Ling | | 433751 | |
| Aster tsarungensis (Grierson) Y. Ling | | a | | Aster tsarungensis (Grierson) Y. Ling | | 433752 | |
| Aster flaccidus Bunge subsp. tsarungensis Grierson | Aster tsarungensis (Grierson) Y. Ling | | i | Aster flaccidus Bunge subsp. tsarungensis Grierson | Aster tsarungensis (Grierson) Y. Ling | 433753 | 433752 |
| Aster yunnanensis Franch. var. yunnanensis | | a | i | Aster yunnanensis Franch. var.yunnanensis | | 433754 | |
| Aster yunnanensis Franch. var. angustior Hand.-Mazz. | | a | i | Aster yunnanensis Franch. var.angustior Hand.-Mazz. | | 433755 | |
| Aster yunnanensis Franch. var. labrangensis (Hand.-Mazz.) Y. Ling | | a | i | Aster yunnanensis Franch. var.labrangensis (Hand.-Mazz.) Y. Ling | | 433756 | |
| Aster labrangensis Hand.-Mazz. | Aster yunnanensis Franch. var. labrangensis (Hand.-Mazz.) Y. Ling | | | Aster labrangensis Hand.-Mazz. | Aster yunnanensis Franch. var.labrangensis (Hand.-Mazz.) Y. Ling | 433757 | 433756 |
| Aster sutchuenensis Franch. | | a | | Aster sutchuenensis Franch. | | 433758 | |
| Aster lipskyi Kom. | | a | | Aster lipskyi Kom. | | 433759 | |
| Aster brevis Hand.-Mazz. | | a | | Aster brevis Hand.-Mazz. | | 433760 | |
| Aster bipinnatisectus Ludlow ex Grierson | | a | | Aster bipinnatisectus Ludlow ex Grierson | | 433761 | |
| Aster senecioides Franch. | | a | | Aster senecioides Franch. | | 433762 | |
| Aster senecioides Franch. var. senecioides | | a | i | Aster senecioides Franch. var.senecioides | | 433763 | |
| Aster senecioides Franch. var. latisquamus Y. Ling | | a | i | Aster senecioides Franch. var.latisquamus Y. Ling | | 433764 | |
| Aster rockianus Hand.-Mazz. | | a | | Aster rockianus Hand.-Mazz. | | 433765 | |
| Aster hayatae H. Lév. & Vaniot | | a | | Aster hayatae H. Lév. & Vaniot | | 433769 | |
| Aster koraiensis Nakai | | a | | Aster koraiensis Nakai | | 433771 | |
| Aster pannonicus Jacq. | Tripolium pannonicum (Jacq.) Dobrocz. subsp. pannonicum | | | Aster pannonicus Jacq. | Tripolium pannonicum (Jacq.) Dobrocz. subsp. pannonicum | 433772 | 459981 |
| Aster miyagii Koidz. | | a | | Aster miyagii Koidz. | | 433773 | |
| Aster kantoensis Kitam. | | a | | Aster kantoensis Kitam. | | 433774 | |
| Aster asa-grayi Makino | | a | | Aster asa-grayi Makino | | 433775 | |
| Aster rugulosus Maxim. | | a | | Aster rugulosus Maxim. | | 433776 | |
| Aster sohayakiensis Koidz. | | a | | Aster sohayakiensis Koidz. | | 433777 | |
| Aster savatieri Makino | | a | | Aster savatieri Makino | | 433778 | |
| Aster komonoensis Makino | | a | | Aster komonoensis Makino | | 433779 | |
| Aster yomena (Kitam.) Honda | | a | | Aster yomena (Kitam.) Honda | | 433781 | |
| Aster incisus Fisch. var. yomena Kitam. | Aster yomena (Kitam.) Honda | | i | Aster incisus Fisch. var.yomena Kitam. | Aster yomena (Kitam.) Honda | 433783 | 433781 |
| Aster iinumae Kitam. ex H. Hara | | a | | Aster iinumae Kitam. ex H. Hara | | 433784 | |
| Aster tenuipes Makino | | a | | Aster tenuipes Makino | | 433785 | |
| Aster viscidulus (Makino) Makino | | a | | Aster viscidulus (Makino) Makino | | 433786 | |
| Aster trinervius Roxb. ex D. Don var. viscidulus Makino | Aster viscidulus (Makino) Makino | | i | Aster trinervius Roxb. ex D. Don var.viscidulus Makino | Aster viscidulus (Makino) Makino | 433787 | 433786 |
| Aster yakushimensis (Kitam.) Soejima & Yahara | | a | | Aster yakushimensis (Kitam.) Soejima & Yahara | | 433788 | |
| Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var. ovatus (Franch. & Sav.) Soejima & Mot. Ito | | | Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var.ovatus (Franch. & Sav.) Soejima & Mot. Ito | 433789 | 434341 |
| Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var. ovatus | Aster microcephalus (Miq.) Franch. & Sav. var. ovatus (Franch. & Sav.) Soejima & Mot. Ito | | i | Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var.ovatus | Aster microcephalus (Miq.) Franch. & Sav. var.ovatus (Franch. & Sav.) Soejima & Mot. Ito | 433790 | 434341 |
| Aster trinervius Roxb. ex D. Don var. ovatus Franch. & Sav. | Aster microcephalus (Miq.) Franch. & Sav. var. ovatus (Franch. & Sav.) Soejima & Mot. Ito | | i | Aster trinervius Roxb. ex D. Don var.ovatus Franch. & Sav. | Aster microcephalus (Miq.) Franch. & Sav. var.ovatus (Franch. & Sav.) Soejima & Mot. Ito | 433791 | 434341 |
| Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var. microcephalus (Miq.) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var. microcephalus | | i | Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var.microcephalus (Miq.) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var.microcephalus | 433792 | 434340 |
| Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var. ripensis (Makino) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var. ripensis Makino | | i | Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var.ripensis (Makino) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var.ripensis Makino | 433796 | 433797 |
| Aster microcephalus (Miq.) Franch. & Sav. var. ripensis Makino | | a | i | Aster microcephalus (Miq.) Franch. & Sav. var.ripensis Makino | | 433797 | |
| Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var. yezoensis (Kitam. & H. Hara) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var. yezoensis (Kitam. & H. Hara) Soejima & Mot. Ito | | i | Aster ovatus (Franch. & Sav.) Mot. Ito & Soejima var.yezoensis (Kitam. & H. Hara) Mot. Ito & Soejima | Aster microcephalus (Miq.) Franch. & Sav. var.yezoensis (Kitam. & H. Hara) Soejima & Mot. Ito | 433798 | 434342 |
| Aster ageratoides Turcz. var. yezoensis Kitam. & H. Hara | Aster microcephalus (Miq.) Franch. & Sav. var. yezoensis (Kitam. & H. Hara) Soejima & Mot. Ito | | i | Aster ageratoides Turcz. var.yezoensis Kitam. & H. Hara | Aster microcephalus (Miq.) Franch. & Sav. var.yezoensis (Kitam. & H. Hara) Soejima & Mot. Ito | 433799 | 434342 |
| Aster ageratoides Turcz. var. ovalifolius Kitam. | | a | i | Aster ageratoides Turcz. var.ovalifolius Kitam. | | 433801 | |
| Aster ageratoides Turcz. var. sawadanus Kitam. | | a | i | Aster ageratoides Turcz. var.sawadanus Kitam. | | 433802 | |
| Aster ageratoides Turcz. var. tenuifolius Kitam. | | a | i | Aster ageratoides Turcz. var.tenuifolius Kitam. | | 433803 | |
| Aster ageratoides Turcz. var. intermedius (Soejima) Mot. Ito & Soejima | | a | i | Aster ageratoides Turcz. var.intermedius (Soejima) Mot. Ito & Soejima | | 433804 | |
| Aster leiophyllus Franch. & Sav. var. intermedius Soejima | Aster ageratoides Turcz. var. intermedius (Soejima) Mot. Ito & Soejima | | i | Aster leiophyllus Franch. & Sav. var.intermedius Soejima | Aster ageratoides Turcz. var.intermedius (Soejima) Mot. Ito & Soejima | 433805 | 433804 |
| Aster semiamplexicaulis Makino ex Koidz. | | a | | Aster semiamplexicaulis Makino ex Koidz. | | 433806 | |
| Aster satsumensis Soejima | | a | | Aster satsumensis Soejima | | 433807 | |
| Aster yoshinaganus (Kitam.) Mot. Ito & Soejima | | a | | Aster yoshinaganus (Kitam.) Mot. Ito & Soejima | | 433808 | |
| Aster ageratoides Turcz. subsp. yoshinaganus Kitam. | Aster yoshinaganus (Kitam.) Mot. Ito & Soejima | | i | Aster ageratoides Turcz. subsp. yoshinaganus Kitam. | Aster yoshinaganus (Kitam.) Mot. Ito & Soejima | 433809 | 433808 |
| Aster sugimotoi Kitam. | | a | | Aster sugimotoi Kitam. | | 433810 | |
| Aster dimorphophyllus Franch. & Sav. | | a | | Aster dimorphophyllus Franch. & Sav. | | 433811 | |
| Aster miquelianus H. Hara | | a | | Aster miquelianus H. Hara | | 433812 | |
| Aster luzonensis Elmer | | a | | Aster luzonensis Elmer | | 433813 | |
| Aster philippinensis S. Moore | | a | | Aster philippinensis S. Moore | | 433814 | |
| Aster bowiei Harv. | Afroaster bowiei (Harv.) J. C. Manning & Goldblatt | | | Aster bowiei Harv. | Afroaster bowiei (Harv.) J. C. Manning & Goldblatt | 433816 | 469002 |
| Aster ananthocladus Hilliard & B. L. Burtt | Afroaster ananthocladus (Hilliard & B. L. Burtt) J. C. Manning & Goldblatt | | | Aster ananthocladus Hilliard & B. L. Burtt | Afroaster ananthocladus (Hilliard & B. L. Burtt) J. C. Manning & Goldblatt | 433817 | 469001 |
| Aster bakerianus Burtt Davy ex C. A. Sm. | Afroaster hispida (Thunb.) J. C. Manning & Goldblatt | | | Aster bakerianus Burtt Davy ex C. A. Sm. | Afroaster hispida (Thunb.) J. C. Manning & Goldblatt | 433818 | 469003 |
| Aster comptonii W. Lippert | Afroaster comptonii (W. Lippert) J. C. Manning & Goldblatt | | | Aster comptonii W. Lippert | Afroaster comptonii (W. Lippert) J. C. Manning & Goldblatt | 433819 | 469006 |
| Aster confertifolius Hilliard & B. L. Burtt | Afroaster confertifolius (Hilliard & B. L. Burtt) J. C. Manning & Goldblatt | | | Aster confertifolius Hilliard & B. L. Burtt | Afroaster confertifolius (Hilliard & B. L. Burtt) J. C. Manning & Goldblatt | 433820 | 469007 |
| Aster erucifolius (Thell.) W. Lippert | Afroaster erucifolius (Thell.) J. C. Manning & Goldblatt | | | Aster erucifolius (Thell.) W. Lippert | Afroaster erucifolius (Thell.) J. C. Manning & Goldblatt | 433821 | 469008 |
| Aster laevigatus (Sond.) Kuntze | Afroaster laevigatus (Sond.) J. C. Manning & Goldblatt | | | Aster laevigatus (Sond.) Kuntze | Afroaster laevigatus (Sond.) J. C. Manning & Goldblatt | 433822 | 469009 |
| Aster lydenburgensis W. Lippert | Afroaster lydenburgensis (W. Lippert) J. C. Manning & Goldblatt | | | Aster lydenburgensis W. Lippert | Afroaster lydenburgensis (W. Lippert) J. C. Manning & Goldblatt | 433825 | 469010 |
| Aster nubimontis W. Lippert | Afroaster nubimontis (W. Lippert) J. C. Manning & Goldblatt | | | Aster nubimontis W. Lippert | Afroaster nubimontis (W. Lippert) J. C. Manning & Goldblatt | 433826 | 469012 |
| Aster peglerae Bolus | Afroaster peglerae (Bolus) J. C. Manning & Goldblatt | | | Aster peglerae Bolus | Afroaster peglerae (Bolus) J. C. Manning & Goldblatt | 433827 | 469013 |
| Aster perfoliatus Oliv. | Afroaster perfoliatus (Oliv.) J. C. Manning & Goldblatt | | | Aster perfoliatus Oliv. | Afroaster perfoliatus (Oliv.) J. C. Manning & Goldblatt | 433828 | 469014 |
| Aster pleiocephalus (Harv.) Hutch. | Afroaster pleiocephalus (Harv.) J. C. Manning & Goldblatt | | | Aster pleiocephalus (Harv.) Hutch. | Afroaster pleiocephalus (Harv.) J. C. Manning & Goldblatt | 433829 | 469015 |
| Aster pseudobakerianus W. Lippert | Afroaster pseudobakerianus (W. Lippert) J. C. Manning & Goldblatt | | | Aster pseudobakerianus W. Lippert | Afroaster pseudobakerianus (W. Lippert) J. C. Manning & Goldblatt | 433831 | 469016 |
| Aster zuluensis W. Lippert | Afroaster zuluensis (W. Lippert) J. C. Manning & Goldblatt | | | Aster zuluensis W. Lippert | Afroaster zuluensis (W. Lippert) J. C. Manning & Goldblatt | 433832 | 469020 |
| Aster madagascariensis Humbert | | a | | Aster madagascariensis Humbert | | 433833 | |
| Aster mandrarensis Humbert | | a | | Aster mandrarensis Humbert | | 433834 | |
| Aster saboureaui Humbert | | a | | Aster saboureaui Humbert | | 433835 | |
| Aster baronii Humbert | | a | | Aster baronii Humbert | | 433836 | |
| Aster andohahelensis Humbert | | a | | Aster andohahelensis Humbert | | 433837 | |
| Aster andicola Hauman | | a | | Aster andicola Hauman | | 433838 | |
| Aster glabrifolius (DC.) Reiche | Symphyotrichum glabrifolium (DC.) G. L. Nesom | | | Aster glabrifolius (DC.) Reiche | Symphyotrichum glabrifolium (DC.) G. L. Nesom | 433839 | 434230 |
| Aster patagonicus Cabrera | Symphyotrichum patagonicum (Cabrera) G. L. Nesom | | | Aster patagonicus Cabrera | Symphyotrichum patagonicum (Cabrera) G. L. Nesom | 433841 | 434276 |
| Aster peteroanus Phil. | Symphyotrichum peteroanum (Phil.) G. L. Nesom | | | Aster peteroanus Phil. | Symphyotrichum peteroanum (Phil.) G. L. Nesom | 433842 | 434277 |
| Aster regnellii Baker | Symphyotrichum regnellii (Baker) G. L. Nesom | | | Aster regnellii Baker | Symphyotrichum regnellii (Baker) G. L. Nesom | 433843 | 434296 |
| Aster squamatus (Spreng.) Hieron. var. graminifolius (Spreng.) Hieron. | Symphyotrichum graminifolium (Spreng.) G. L. Nesom | | i | Aster squamatus (Spreng.) Hieron. var.graminifolius (Spreng.) Hieron. | Symphyotrichum graminifolium (Spreng.) G. L. Nesom | 433844 | 434231 |
| Aster vahlii (Gaudich.) Hook. & Arn. var. tenuifolius (Phil.) Cabrera | Symphyotrichum vahlii (Gaudich.) G. L. Nesom var. tenuifolium (Phil.) G. L. Nesom | | i | Aster vahlii (Gaudich.) Hook. & Arn. var.tenuifolius (Phil.) Cabrera | Symphyotrichum vahlii (Gaudich.) G. L. Nesom var.tenuifolium (Phil.) G. L. Nesom | 433847 | 434327 |
| Aster vahlii (Gaudich.) Hook. & Arn. var. vahlii | Symphyotrichum vahlii (Gaudich.) G. L. Nesom var. vahlii | | i | Aster vahlii (Gaudich.) Hook. & Arn. var.vahlii | Symphyotrichum vahlii (Gaudich.) G. L. Nesom var.vahlii | 433849 | 434328 |
| Aster ageratoides Turcz. subsp. yakushimensis Kitam. | Aster yakushimensis (Kitam.) Soejima & Yahara | | i | Aster ageratoides Turcz. subsp. yakushimensis Kitam. | Aster yakushimensis (Kitam.) Soejima & Yahara | 433853 | 433788 |
| Aster quitensis Willd. ex Spreng. | | a | | Aster quitensis Willd. ex Spreng. | | 433855 | |
| Aster sodiroi Hieron. | | a | | Aster sodiroi Hieron. | | 433856 | |
| Aster bellidiastrum Nees ex Walp. | Aster andicola Hauman | | | Aster bellidiastrum Nees ex Walp. | Aster andicola Hauman | 433857 | 433838 |
| Aster exilis Elliott | Symphyotrichum subulatum (Michx.) G. L. Nesom | | | Aster exilis Elliott | Symphyotrichum subulatum (Michx.) G. L. Nesom | 433858 | 434318 |
| Aster brachyactis S. F. Blake | Symphyotrichum ciliatum (Ledeb.) G. L. Nesom | | | Aster brachyactis S. F. Blake | Symphyotrichum ciliatum (Ledeb.) G. L. Nesom | 433859 | 434199 |
| Aster conspicuus Lindl. | Eurybia conspicua (Lindl.) G. L. Nesom | | | Aster conspicuus Lindl. | Eurybia conspicua (Lindl.) G. L. Nesom | 433860 | 434116 |
| Aster junciformis Rydb. | Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve | | | Aster junciformis Rydb. | Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve | 433861 | 434188 |
| Aster modestus Lindl. | Canadanthus modestus (Lindl.) G. L. Nesom | | | Aster modestus Lindl. | Canadanthus modestus (Lindl.) G. L. Nesom | 433862 | 434087 |
| Aster subspicatus Nees | Symphyotrichum subspicatum (Nees) G. L. Nesom | | | Aster subspicatus Nees | Symphyotrichum subspicatum (Nees) G. L. Nesom | 433863 | 434317 |
| Aster yukonensis Cronquist | Symphyotrichum yukonense (Cronquist) G. L. Nesom | | | Aster yukonensis Cronquist | Symphyotrichum yukonense (Cronquist) G. L. Nesom | 433864 | 434332 |
| Aster acuminatus Michx. | Oclemena acuminata (Michx.) Greene | | | Aster acuminatus Michx. | Oclemena acuminata (Michx.) Greene | 433865 | 434152 |
| Aster ×blakei (Porter) House | Oclemena ×blakei (Porter) G. L. Nesom | | | Aster blakei (Porter) House | Oclemena blakei (Porter) G. L. Nesom | 433866 | 434155 |
| Aster nemoralis Aiton var. blakei Porter | Oclemena ×blakei (Porter) G. L. Nesom | | i | Aster nemoralis Aiton var.blakei Porter | Oclemena blakei (Porter) G. L. Nesom | 433867 | 434155 |
| Aster borealis (Torr. & A. Gray) Prov. | Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve | | | Aster borealis (Torr. & A. Gray) Prov. | Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve | 433868 | 434188 |
| Aster campestris Nutt. | Symphyotrichum campestre (Nutt.) G. L. Nesom | | | Aster campestris Nutt. | Symphyotrichum campestre (Nutt.) G. L. Nesom | 433869 | 434194 |
| Aster curtus Cronquist | Sericocarpus rigidus Lindl. | | | Aster curtus Cronquist | Sericocarpus rigidus Lindl. | 433870 | 461398 |
| Aster eatonii (A. Gray) Howell | Symphyotrichum bracteolatum (Nutt.) G. L. Nesom | | | Aster eatonii (A. Gray) Howell | Symphyotrichum bracteolatum (Nutt.) G. L. Nesom | 433871 | 434191 |
| Aster hesperius A. Gray | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. hesperium (A. Gray) G. L. Nesom | | | Aster hesperius A. Gray | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. hesperium (A. Gray) G. L. Nesom | 433872 | 434246 |
| Aster laurentianus Fernald | Symphyotrichum laurentianum (Fernald) G. L. Nesom | | | Aster laurentianus Fernald | Symphyotrichum laurentianum (Fernald) G. L. Nesom | 433873 | 434255 |
| Aster linariifolius L. | Ionactis linariifolia (L.) Greene | | | Aster linariifolius L. | Ionactis linariifolia (L.) Greene | 433874 | 434150 |
| Aster lowrieanus Porter | Symphyotrichum lowrieanum (Porter) G. L. Nesom | | | Aster lowrieanus Porter | Symphyotrichum lowrieanum (Porter) G. L. Nesom | 433875 | 434260 |
| Aster oblongifolius Nutt. | Symphyotrichum oblongifolium (Nutt.) G. L. Nesom | | | Aster oblongifolius Nutt. | Symphyotrichum oblongifolium (Nutt.) G. L. Nesom | 433876 | 434268 |
| Aster patens Aiton | Symphyotrichum patens (Aiton) G. L. Nesom var. patens | | | Aster patens Aiton | Symphyotrichum patens (Aiton) G. L. Nesom var.patens | 433877 | 434274 |
| Aster paucicapitatus (B. L. Rob.) B. L. Rob. | Eucephalus paucicapitatus (B. L. Rob.) Greene | | | Aster paucicapitatus (B. L. Rob.) B. L. Rob. | Eucephalus paucicapitatus (B. L. Rob.) Greene | 433878 | 434108 |
| Aster pauciflorus Nutt. | Almutaster pauciflorus (Nutt.) Á. Löve & D. Löve | | | Aster pauciflorus Nutt. | Almutaster pauciflorus (Nutt.) Á. Löve & D. Löve | 433879 | 434085 |
| Aster pilosus Willd. var. platyphyllus (Torr. & A. Gray) S. F. Blake | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pilosum | | i | Aster pilosus Willd. var.platyphyllus (Torr. & A. Gray) S. F. Blake | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pilosum | 433880 | 434280 |
| Aster ericoides L. var. platyphyllus Torr. & A. Gray | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pilosum | | i | Aster ericoides L. var.platyphyllus Torr. & A. Gray | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pilosum | 433881 | 434280 |
| Aster pilosus Willd. var. demotus S. F. Blake | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pringlei (A. Gray) G. L. Nesom | | i | Aster pilosus Willd. var.demotus S. F. Blake | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pringlei (A. Gray) G. L. Nesom | 433882 | 434281 |
| Aster praealtus Poir. | Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum | | | Aster praealtus Poir. | Symphyotrichum praealtum (Poir.) G. L. Nesom var.praealtum | 433883 | 434287 |
| Aster prenanthoides Muhl. ex Willd. | Symphyotrichum prenanthoides (Muhl. ex Willd.) G. L. Nesom | | | Aster prenanthoides Muhl. ex Willd. | Symphyotrichum prenanthoides (Muhl. ex Willd.) G. L. Nesom | 433884 | 434289 |
| Aster ptarmicoides Torr. & A. Gray | Solidago ptarmicoides (Torr. & A. Gray) B. Boivin | | | Aster ptarmicoides Torr. & A. Gray | Solidago ptarmicoides (Torr. & A. Gray) B. Boivin | 433885 | 434015 |
| Aster puniceus L. var. calderi (B. Boivin) Lepage | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. calderi (B. Boivin) G. L. Nesom | | i | Aster puniceus L. var.calderi (B. Boivin) Lepage | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.calderi (B. Boivin) G. L. Nesom | 433886 | 434292 |
| Aster calderi B. Boivin | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. calderi (B. Boivin) G. L. Nesom | | | Aster calderi B. Boivin | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.calderi (B. Boivin) G. L. Nesom | 433887 | 434292 |
| Aster puniceus L. var. firmus (Nees) Torr. & A. Gray | Symphyotrichum firmum (Nees) G. L. Nesom | | i | Aster puniceus L. var.firmus (Nees) Torr. & A. Gray | Symphyotrichum firmum (Nees) G. L. Nesom | 433890 | 434219 |
| Aster firmus Nees | Symphyotrichum firmum (Nees) G. L. Nesom | | | Aster firmus Nees | Symphyotrichum firmum (Nees) G. L. Nesom | 433891 | 434219 |
| Aster puniceus L. var. puniceus | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum | | i | Aster puniceus L. var.puniceus | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.puniceum | 433895 | 434293 |
| Aster blandus Pursh | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum | | | Aster blandus Pursh | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.puniceum | 433899 | 434293 |
| Aster puniceus L. var. demissus Lindl. | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum | | i | Aster puniceus L. var.demissus Lindl. | Symphyotrichum puniceum (L.) Á. Löve & D. Löve var.puniceum | 433901 | 434293 |
| Aster radula Aiton | Eurybia radula (Aiton) G. L. Nesom | | | Aster radula Aiton | Eurybia radula (Aiton) G. L. Nesom | 433902 | 434135 |
| Aster radulinus A. Gray | Eurybia radulina (A. Gray) G. L. Nesom | | | Aster radulinus A. Gray | Eurybia radulina (A. Gray) G. L. Nesom | 433903 | 434136 |
| Aster sagittifolius Wedem. ex Willd. | Symphyotrichum sagittifolium (Wedem. ex Willd.) G. L. Nesom | | | Aster sagittifolius Wedem. ex Willd. | Symphyotrichum sagittifolium (Wedem. ex Willd.) G. L. Nesom | 433904 | 434299 |
| Aster scopulorum A. Gray | Ionactis alpina (Nutt.) Greene | | | Aster scopulorum A. Gray | Ionactis alpina (Nutt.) Greene | 433905 | 434145 |
| Aster shortii Lindl. | Symphyotrichum shortii (Lindl.) G. L. Nesom | | | Aster shortii Lindl. | Symphyotrichum shortii (Lindl.) G. L. Nesom | 433906 | 434304 |
| Aster simplex Willd. | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. lanceolatum | | | Aster simplex Willd. | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.lanceolatum | 433907 | 434248 |
| Aster simplex Willd. var. interior (Wiegand) Cronquist | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. interior (Wiegand) G. L. Nesom | | i | Aster simplex Willd. var.interior (Wiegand) Cronquist | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.interior (Wiegand) G. L. Nesom | 433908 | 434249 |
| Aster interior Wiegand | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. interior (Wiegand) G. L. Nesom | | | Aster interior Wiegand | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.interior (Wiegand) G. L. Nesom | 433909 | 434249 |
| Aster simplex Willd. var. simplex | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var. lanceolatum | | i | Aster simplex Willd. var.simplex | Symphyotrichum lanceolatum (Willd.) G. L. Nesom subsp. lanceolatum var.lanceolatum | 433910 | 434248 |
| Aster solidagineus Michx. | Sericocarpus linifolius (L.) Britton et al. | | | Aster solidagineus Michx. | Sericocarpus linifolius (L.) Britton et al. | 433911 | 434177 |
| Aster stenomeres A. Gray | Ionactis stenomeres (A. Gray) Greene | | | Aster stenomeres A. Gray | Ionactis stenomeres (A. Gray) Greene | 433912 | 434151 |
| Aster umbellatus Mill. | Doellingeria umbellata (Mill.) Nees | | | Aster umbellatus Mill. | Doellingeria umbellata (Mill.) Nees | 433913 | 434089 |
| Aster vimineus Lam. | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. lateriflorum | | | Aster vimineus Lam. | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.lateriflorum | 433914 | 434253 |
| Aster falcatus Lindl. | Symphyotrichum falcatum (Lindl.) G. L. Nesom var. falcatum | | | Aster falcatus Lindl. | Symphyotrichum falcatum (Lindl.) G. L. Nesom var.falcatum | 433915 | 434216 |
| Aster alpigenus (Torr. & A. Gray) A. Gray | Oreostemma alpigenum (Torr. & A. Gray) Greene var. alpigenum | | | Aster alpigenus (Torr. & A. Gray) A. Gray | Oreostemma alpigenum (Torr. & A. Gray) Greene var.alpigenum | 433916 | 434157 |
| Aster alpigenus (Torr. & A. Gray) A. Gray var. andersonii (A. Gray) M. Peck | Oreostemma alpigenum (Torr. & A. Gray) Greene var. andersonii (A. Gray) G. L. Nesom | | i | Aster alpigenus (Torr. & A. Gray) A. Gray var.andersonii (A. Gray) M. Peck | Oreostemma alpigenum (Torr. & A. Gray) Greene var.andersonii (A. Gray) G. L. Nesom | 433918 | 434158 |
| Aster andersonii (A. Gray) A. Gray | Oreostemma alpigenum (Torr. & A. Gray) Greene var. andersonii (A. Gray) G. L. Nesom | | | Aster andersonii (A. Gray) A. Gray | Oreostemma alpigenum (Torr. & A. Gray) Greene var.andersonii (A. Gray) G. L. Nesom | 433919 | 434158 |
| Aster alpigenus (Torr. & A. Gray) A. Gray var. alpigenus | Oreostemma alpigenum (Torr. & A. Gray) Greene var. alpigenum | | i | Aster alpigenus (Torr. & A. Gray) A. Gray var.alpigenus | Oreostemma alpigenum (Torr. & A. Gray) Greene var.alpigenum | 433920 | 434157 |
| Aster alpigenus (Torr. & A. Gray) A. Gray var. haydenii (Porter) Cronquist | Oreostemma alpigenum (Torr. & A. Gray) Greene var. haydenii (Porter) G. L. Nesom | | i | Aster alpigenus (Torr. & A. Gray) A. Gray var.haydenii (Porter) Cronquist | Oreostemma alpigenum (Torr. & A. Gray) Greene var.haydenii (Porter) G. L. Nesom | 433921 | 434159 |
| Aster haydenii Porter | Oreostemma alpigenum (Torr. & A. Gray) Greene var. haydenii (Porter) G. L. Nesom | | | Aster haydenii Porter | Oreostemma alpigenum (Torr. & A. Gray) Greene var.haydenii (Porter) G. L. Nesom | 433922 | 434159 |
| Aster chilensis Nees subsp. hallii (A. Gray) Cronquist | Symphyotrichum hallii (A. Gray) G. L. Nesom | | i | Aster chilensis Nees subsp. hallii (A. Gray) Cronquist | Symphyotrichum hallii (A. Gray) G. L. Nesom | 433925 | 434236 |
| Aster hallii A. Gray | Symphyotrichum hallii (A. Gray) G. L. Nesom | | | Aster hallii A. Gray | Symphyotrichum hallii (A. Gray) G. L. Nesom | 433926 | 434236 |
| Aster chilensis Nees subsp. chilensis | Symphyotrichum chilense (Nees) G. L. Nesom | | i | Aster chilensis Nees subsp. chilensis | Symphyotrichum chilense (Nees) G. L. Nesom | 433927 | 434197 |
| Aster chilensis Nees subsp. ascendens (Lindl.) Cronquist | Symphyotrichum ascendens (Lindl.) G. L. Nesom | | i | Aster chilensis Nees subsp. ascendens (Lindl.) Cronquist | Symphyotrichum ascendens (Lindl.) G. L. Nesom | 433928 | 406989 |
| Aster foliaceus Lindl. var. foliaceus | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var. foliaceum | | i | Aster foliaceus Lindl. var.foliaceus | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var.foliaceum | 433930 | 434223 |
| Aster foliaceus Lindl. var. apricus A. Gray | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var. apricum (A. Gray) G. L. Nesom | | i | Aster foliaceus Lindl. var.apricus A. Gray | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var.apricum (A. Gray) G. L. Nesom | 433931 | 434221 |
| Aster foliaceus Lindl. var. lyallii (A. Gray) Cronquist | Symphyotrichum hendersonii (Fernald) G. L. Nesom | | i | Aster foliaceus Lindl. var.lyallii (A. Gray) Cronquist | Symphyotrichum hendersonii (Fernald) G. L. Nesom | 433932 | 434238 |
| Aster cusickii A. Gray var. lyallii A. Gray | Symphyotrichum hendersonii (Fernald) G. L. Nesom | | i | Aster cusickii A. Gray var.lyallii A. Gray | Symphyotrichum hendersonii (Fernald) G. L. Nesom | 433933 | 434238 |
| Aster foliaceus Lindl. var. cusickii (A. Gray) Cronquist | Symphyotrichum cusickii (A. Gray) G. L. Nesom | | i | Aster foliaceus Lindl. var.cusickii (A. Gray) Cronquist | Symphyotrichum cusickii (A. Gray) G. L. Nesom | 433934 | 434204 |
| Aster cusickii A. Gray | Symphyotrichum cusickii (A. Gray) G. L. Nesom | | | Aster cusickii A. Gray | Symphyotrichum cusickii (A. Gray) G. L. Nesom | 433935 | 434204 |
| Aster foliaceus Lindl. var. parryi (D. C. Eaton) A. Gray | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var. parryi (D. C. Eaton) G. L. Nesom | | i | Aster foliaceus Lindl. var.parryi (D. C. Eaton) A. Gray | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var.parryi (D. C. Eaton) G. L. Nesom | 433936 | 434224 |
| Aster ascendens Lindl. var. parryi D. C. Eaton | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var. parryi (D. C. Eaton) G. L. Nesom | | i | Aster ascendens Lindl. var.parryi D. C. Eaton | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var.parryi (D. C. Eaton) G. L. Nesom | 433937 | 434224 |
| Aster foliaceus Lindl. var. canbyi A. Gray | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var. canbyi (A. Gray) G. L. Nesom | | i | Aster foliaceus Lindl. var.canbyi A. Gray | Symphyotrichum foliaceum (Lindl.) G. L. Nesom var.canbyi (A. Gray) G. L. Nesom | 433938 | 434222 |
| Aster frondosus (Nutt.) Torr. & A. Gray | Symphyotrichum frondosum (Nutt.) G. L. Nesom | | | Aster frondosus (Nutt.) Torr. & A. Gray | Symphyotrichum frondosum (Nutt.) G. L. Nesom | 433939 | 434227 |
| Aster glaucescens (A. Gray) S. F. Blake | Eucephalus glaucescens (A. Gray) Greene | | | Aster glaucescens (A. Gray) S. F. Blake | Eucephalus glaucescens (A. Gray) Greene | 433941 | 434106 |
| Aster engelmannii (D. C. Eaton) A. Gray var. glaucescens A. Gray | Eucephalus glaucescens (A. Gray) Greene | | i | Aster engelmannii (D. C. Eaton) A. Gray var.glaucescens A. Gray | Eucephalus glaucescens (A. Gray) Greene | 433942 | 434106 |
| Aster gormanii (Piper) S. F. Blake | Eucephalus gormanii Piper | | | Aster gormanii (Piper) S. F. Blake | Eucephalus gormanii Piper | 433943 | 433944 |
| Aster integrifolius Nutt. | Eurybia integrifolia (Nutt.) G. L. Nesom | | | Aster integrifolius Nutt. | Eurybia integrifolia (Nutt.) G. L. Nesom | 433945 | 434123 |
| Aster jessicae Piper | Symphyotrichum jessicae (Piper) G. L. Nesom | | | Aster jessicae Piper | Symphyotrichum jessicae (Piper) G. L. Nesom | 433946 | 434241 |
| Aster ledophyllus (A. Gray) A. Gray | Eucephalus ledophyllus (A. Gray) Greene | | | Aster ledophyllus (A. Gray) A. Gray | Eucephalus ledophyllus (A. Gray) Greene | 433947 | 434107 |
| Aster leiodes S. F. Blake | Dieteria canescens (Pursh) Nutt. var. canescens | | | Aster leiodes S. F. Blake | Dieteria canescens (Pursh) Nutt. var.canescens | 433948 | 452956 |
| Aster oregonensis (Nutt.) Cronquist | Sericocarpus oregonensis Nutt. | | | Aster oregonensis (Nutt.) Cronquist | Sericocarpus oregonensis Nutt. | 433949 | 433950 |
| Aster pansus (S. F. Blake) Cronquist | Symphyotrichum ericoides (L.) G. L. Nesom | | | Aster pansus (S. F. Blake) Cronquist | Symphyotrichum ericoides (L.) G. L. Nesom | 433951 | 406991 |
| Aster multiflorus Aiton var. pansus S. F. Blake | Symphyotrichum ericoides (L.) G. L. Nesom var. pansum (S. F. Blake) G. L. Nesom | | i | Aster multiflorus Aiton var.pansus S. F. Blake | Symphyotrichum ericoides (L.) G. L. Nesom var.pansum (S. F. Blake) G. L. Nesom | 433952 | 466798 |
| Aster perelegans A. Nelson & J. F. Macbr. | Eucephalus elegans Nutt. | | | Aster perelegans A. Nelson & J. F. Macbr. | Eucephalus elegans Nutt. | 433953 | 434102 |
| Aster shastensis (A. Gray) A. Gray | Dieteria canescens (Pursh) Nutt. var. shastensis (A. Gray) D. R. Morgan & R. L. Hartm. | | | Aster shastensis (A. Gray) A. Gray | Dieteria canescens (Pursh) Nutt. var.shastensis (A. Gray) D. R. Morgan & R. L. Hartm. | 433954 | 452963 |
| Aster bernardinus H. M. Hall | Symphyotrichum defoliatum (Parish) G. L. Nesom | | | Aster bernardinus H. M. Hall | Symphyotrichum defoliatum (Parish) G. L. Nesom | 433955 | 434205 |
| Aster breweri (A. Gray) Semple | Eucephalus breweri (A. Gray) G. L. Nesom | | | Aster breweri (A. Gray) Semple | Eucephalus breweri (A. Gray) G. L. Nesom | 433956 | 434100 |
| Aster brickellioides Greene | Eucephalus brickellioides (Greene) G. L. Nesom | | | Aster brickellioides Greene | Eucephalus brickellioides (Greene) G. L. Nesom | 433958 | 434101 |
| Aster greatae Parish | Symphyotrichum greatae (Parish) G. L. Nesom | | | Aster greatae Parish | Symphyotrichum greatae (Parish) G. L. Nesom | 433959 | 434233 |
| Aster lentus Greene | Symphyotrichum lentum (Greene) G. L. Nesom | | | Aster lentus Greene | Symphyotrichum lentum (Greene) G. L. Nesom | 433960 | 434256 |
| Aster peirsonii Sharsm. | Oreostemma peirsonii (Sharsm.) G. L. Nesom | | | Aster peirsonii Sharsm. | Oreostemma peirsonii (Sharsm.) G. L. Nesom | 433961 | 434164 |
| Aster welshii Cronquist | Symphyotrichum welshii (Cronquist) G. L. Nesom | | | Aster welshii Cronquist | Symphyotrichum welshii (Cronquist) G. L. Nesom | 433963 | 434331 |
| Aster spathulatus Lindl. var. spathulatus | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var. spathulatum | | i | Aster spathulatus Lindl. var.spathulatus | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var.spathulatum | 433964 | 434308 |
| Aster spathulatus Lindl. var. intermedius (A. Gray) Cronquist | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var. intermedium (A. Gray) G. L. Nesom | | i | Aster spathulatus Lindl. var.intermedius (A. Gray) Cronquist | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var.intermedium (A. Gray) G. L. Nesom | 433965 | 434307 |
| Aster occidentalis (Nutt.) Torr. & A. Gray var. intermedius A. Gray | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var. intermedium (A. Gray) G. L. Nesom | | i | Aster occidentalis (Nutt.) Torr. & A. Gray var.intermedius A. Gray | Symphyotrichum spathulatum (Lindl.) G. L. Nesom var.intermedium (A. Gray) G. L. Nesom | 433966 | 434307 |
| Aster foliaceus Lindl. var. eatonii A. Gray | Symphyotrichum bracteolatum (Nutt.) G. L. Nesom | | i | Aster foliaceus Lindl. var.eatonii A. Gray | Symphyotrichum bracteolatum (Nutt.) G. L. Nesom | 433976 | 434191 |
| Aster horridus (Wooton & Standl.) S. F. Blake | Herrickia horrida Wooton & Standl. | | | Aster horridus (Wooton & Standl.) S. F. Blake | Herrickia horrida Wooton & Standl. | 433977 | 433978 |
| Aster fendleri A. Gray | Symphyotrichum fendleri (A. Gray) G. L. Nesom | | | Aster fendleri A. Gray | Symphyotrichum fendleri (A. Gray) G. L. Nesom | 433979 | 434218 |
| Aster blepharophyllus A. Gray | Arida blepharophylla (A. Gray) D. R. Morgan & R. L. Hartm. | | | Aster blepharophyllus A. Gray | Arida blepharophylla (A. Gray) D. R. Morgan & R. L. Hartm. | 433980 | 461394 |
| Aster engelmannii (D. C. Eaton) A. Gray var. paucicapitatus B. L. Rob. | Eucephalus paucicapitatus (B. L. Rob.) Greene | | i | Aster engelmannii (D. C. Eaton) A. Gray var.paucicapitatus B. L. Rob. | Eucephalus paucicapitatus (B. L. Rob.) Greene | 433981 | 434108 |
| Aster porteri A. Gray | Symphyotrichum porteri (A. Gray) G. L. Nesom | | | Aster porteri A. Gray | Symphyotrichum porteri (A. Gray) G. L. Nesom | 433982 | 434282 |
| Aster neomexicanus Wooton & Standl. | Symphyotrichum subulatum (Michx.) G. L. Nesom var. ligulatum (Shinners) S. D. Sundb. | | | Aster neomexicanus Wooton & Standl. | Symphyotrichum subulatum (Michx.) G. L. Nesom var.ligulatum (Shinners) S. D. Sundb. | 433983 | 448831 |
| Aster lemmonii A. Gray | Symphyotrichum potosinum (A. Gray) G. L. Nesom | | | Aster lemmonii A. Gray | Symphyotrichum potosinum (A. Gray) G. L. Nesom | 433984 | 434283 |
| Aster arenosus (A. Heller) S. F. Blake | Chaetopappa ericoides (Torr.) G. L. Nesom | | | Aster arenosus (A. Heller) S. F. Blake | Chaetopappa ericoides (Torr.) G. L. Nesom | 433985 | 413464 |
| Aster riparius Kunth | Arida riparia (Kunth) D. R. Morgan & R. L. Hartm. | | | Aster riparius Kunth | Arida riparia (Kunth) D. R. Morgan & R. L. Hartm. | 433987 | 461396 |
| Aster intricatus (A. Gray) S. F. Blake | Arida carnosa (A. Gray) D. R. Morgan & R. L. Hartm. | | | Aster intricatus (A. Gray) S. F. Blake | Arida carnosa (A. Gray) D. R. Morgan & R. L. Hartm. | 433989 | 461404 |
| Aster anomalus Engelm. | Symphyotrichum anomalum (Engelm.) G. L. Nesom | | | Aster anomalus Engelm. | Symphyotrichum anomalum (Engelm.) G. L. Nesom | 433994 | 434181 |
| Aster drummondii Lindl. | Symphyotrichum drummondii (Lindl.) G. L. Nesom | | | Aster drummondii Lindl. | Symphyotrichum drummondii (Lindl.) G. L. Nesom | 433995 | 434210 |
| Aster lucidulus (A. Gray) Wiegand | Symphyotrichum firmum (Nees) G. L. Nesom | | | Aster lucidulus (A. Gray) Wiegand | Symphyotrichum firmum (Nees) G. L. Nesom | 433997 | 434219 |
| Aster puniceus L. var. lucidulus A. Gray | Symphyotrichum firmum (Nees) G. L. Nesom | | i | Aster puniceus L. var.lucidulus A. Gray | Symphyotrichum firmum (Nees) G. L. Nesom | 433998 | 434219 |
| Aster ontarionis Wiegand | Symphyotrichum ontarionis (Wiegand) G. L. Nesom | | | Aster ontarionis Wiegand | Symphyotrichum ontarionis (Wiegand) G. L. Nesom | 433999 | 434269 |
| Aster paludosus Aiton | Eurybia paludosa (Aiton) G. L. Nesom | | | Aster paludosus Aiton | Eurybia paludosa (Aiton) G. L. Nesom | 434000 | 434130 |
| Aster paludosus Aiton subsp. paludosus | Eurybia paludosa (Aiton) G. L. Nesom | | i | Aster paludosus Aiton subsp. paludosus | Eurybia paludosa (Aiton) G. L. Nesom | 434001 | 434130 |
| Aster paludosus Aiton subsp. hemisphericus (Alexander) Cronquist | Eurybia hemispherica (Alexander) G. L. Nesom | | i | Aster paludosus Aiton subsp. hemisphericus (Alexander) Cronquist | Eurybia hemispherica (Alexander) G. L. Nesom | 434002 | 434121 |
| Aster hemisphericus Alexander | Eurybia hemispherica (Alexander) G. L. Nesom | | | Aster hemisphericus Alexander | Eurybia hemispherica (Alexander) G. L. Nesom | 434003 | 434121 |
| Aster ericoides L. var. parviceps E. S. Burgess | Symphyotrichum parviceps (E. S. Burgess) G. L. Nesom | | i | Aster ericoides L. var.parviceps E. S. Burgess | Symphyotrichum parviceps (E. S. Burgess) G. L. Nesom | 434004 | 434271 |
| Aster patens Aiton var. patentissimus (Lindl.) Torr. & A. Gray | Symphyotrichum patens (Aiton) G. L. Nesom var. patentissimum (Lindl.) G. L. Nesom | | i | Aster patens Aiton var.patentissimus (Lindl.) Torr. & A. Gray | Symphyotrichum patens (Aiton) G. L. Nesom var.patentissimum (Lindl.) G. L. Nesom | 434005 | 434275 |
| Aster patentissimus Lindl. | Symphyotrichum patens (Aiton) G. L. Nesom var. patentissimum (Lindl.) G. L. Nesom | | | Aster patentissimus Lindl. | Symphyotrichum patens (Aiton) G. L. Nesom var.patentissimum (Lindl.) G. L. Nesom | 434006 | 434275 |
| Aster praealtus Poir. var. praealtus | Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum | | i | Aster praealtus Poir. var.praealtus | Symphyotrichum praealtum (Poir.) G. L. Nesom var.praealtum | 434007 | 434287 |
| Aster praealtus Poir. var. nebraskensis (Britton) Wiegand | Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum | | i | Aster praealtus Poir. var.nebraskensis (Britton) Wiegand | Symphyotrichum praealtum (Poir.) G. L. Nesom var.praealtum | 434008 | 434287 |
| Aster nebraskensis Britton | Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum | | | Aster nebraskensis Britton | Symphyotrichum praealtum (Poir.) G. L. Nesom var.praealtum | 434009 | 434287 |
| Aster pubentior Cronquist | Doellingeria umbellata (Mill.) Nees var. pubens (A. Gray) Britton | | | Aster pubentior Cronquist | Doellingeria umbellata (Mill.) Nees var.pubens (A. Gray) Britton | 434010 | 461400 |
| Aster turbinellus Lindl. | Symphyotrichum turbinellum (Lindl.) G. L. Nesom | | | Aster turbinellus Lindl. | Symphyotrichum turbinellum (Lindl.) G. L. Nesom | 434011 | 434323 |
| Aster eulae Shinners | Symphyotrichum eulae (Shinners) G. L. Nesom | | | Aster eulae Shinners | Symphyotrichum eulae (Shinners) G. L. Nesom | 434013 | 434212 |
| Aster tenuifolius L. | Symphyotrichum tenuifolium (L.) G. L. Nesom | | | Aster tenuifolius L. | Symphyotrichum tenuifolium (L.) G. L. Nesom | 434014 | 434319 |
| Aster patens Aiton var. georgianus (Alexander) Cronquist | Symphyotrichum georgianum (Alexander) G. L. Nesom | | i | Aster patens Aiton var.georgianus (Alexander) Cronquist | Symphyotrichum georgianum (Alexander) G. L. Nesom | 434016 | 434229 |
| Aster georgianus Alexander | Symphyotrichum georgianum (Alexander) G. L. Nesom | | | Aster georgianus Alexander | Symphyotrichum georgianum (Alexander) G. L. Nesom | 434017 | 434229 |
| Aster patens Aiton var. phlogifolius (Muhl. ex Willd.) Nees | Symphyotrichum phlogifolium (Muhl. ex Willd.) G. L. Nesom | | i | Aster patens Aiton var.phlogifolius (Muhl. ex Willd.) Nees | Symphyotrichum phlogifolium (Muhl. ex Willd.) G. L. Nesom | 434018 | 434278 |
| Aster phlogifolius Muhl. ex Willd. | Symphyotrichum phlogifolium (Muhl. ex Willd.) G. L. Nesom | | | Aster phlogifolius Muhl. ex Willd. | Symphyotrichum phlogifolium (Muhl. ex Willd.) G. L. Nesom | 434019 | 434278 |
| Aster patens Aiton var. gracilis Hook. | Symphyotrichum patens (Aiton) G. L. Nesom var. gracile (Hook.) G. L. Nesom | | i | Aster patens Aiton var.gracilis Hook. | Symphyotrichum patens (Aiton) G. L. Nesom var.gracile (Hook.) G. L. Nesom | 434020 | 434273 |
| Aster patens Aiton var. patens | Symphyotrichum patens (Aiton) G. L. Nesom var. patens | | i | Aster patens Aiton var.patens | Symphyotrichum patens (Aiton) G. L. Nesom var.patens | 434021 | 434274 |
| Aster grandiflorus L. | Symphyotrichum grandiflorum (L.) G. L. Nesom | | | Aster grandiflorus L. | Symphyotrichum grandiflorum (L.) G. L. Nesom | 434023 | 434232 |
| Aster curtisii Torr. & A. Gray | Symphyotrichum retroflexum (Lindl.) G. L. Nesom | | | Aster curtisii Torr. & A. Gray | Symphyotrichum retroflexum (Lindl.) G. L. Nesom | 434024 | 434297 |
| Aster carolinianus Walter | Ampelaster carolinianus (Walter) G. L. Nesom | | | Aster carolinianus Walter | Ampelaster carolinianus (Walter) G. L. Nesom | 434025 | 434086 |
| Aster concinnus Willd. | Symphyotrichum laeve (L.) Á. Löve & D. Löve var. concinnum (Willd.) G. L. Nesom | | | Aster concinnus Willd. | Symphyotrichum laeve (L.) Á. Löve & D. Löve var.concinnum (Willd.) G. L. Nesom | 434026 | 434244 |
| Aster walteri Alexander | Symphyotrichum walteri (Alexander) G. L. Nesom | | | Aster walteri Alexander | Symphyotrichum walteri (Alexander) G. L. Nesom | 434028 | 434330 |
| Aster adnatus Nutt. | Symphyotrichum adnatum (Nutt.) G. L. Nesom | | | Aster adnatus Nutt. | Symphyotrichum adnatum (Nutt.) G. L. Nesom | 434029 | 434180 |
| Aster phyllolepis Torr. & A. Gray | Symphyotrichum pratense (Raf.) G. L. Nesom | | | Aster phyllolepis Torr. & A. Gray | Symphyotrichum pratense (Raf.) G. L. Nesom | 434030 | 434288 |
| Aster concolor L. | Symphyotrichum concolor (L.) G. L. Nesom | | | Aster concolor L. | Symphyotrichum concolor (L.) G. L. Nesom | 434031 | 434201 |
| Aster pilosus Willd. var. priceae (Britton) Cronquist | Symphyotrichum priceae (Britton) G. L. Nesom | | i | Aster pilosus Willd. var.priceae (Britton) Cronquist | Symphyotrichum priceae (Britton) G. L. Nesom | 434032 | 434290 |
| Aster priceae Britton | Symphyotrichum priceae (Britton) G. L. Nesom | | | Aster priceae Britton | Symphyotrichum priceae (Britton) G. L. Nesom | 434033 | 434290 |
| Aster depauperatus Fernald | Symphyotrichum depauperatum (Fernald) G. L. Nesom | | | Aster depauperatus Fernald | Symphyotrichum depauperatum (Fernald) G. L. Nesom | 434034 | 434207 |
| Aster spectabilis Aiton | Eurybia spectabilis (Aiton) G. L. Nesom | | | Aster spectabilis Aiton | Eurybia spectabilis (Aiton) G. L. Nesom | 434035 | 434141 |
| Aster surculosus Michx. | Eurybia surculosa (Michx.) G. L. Nesom | | | Aster surculosus Michx. | Eurybia surculosa (Michx.) G. L. Nesom | 434036 | 434143 |
| Aster gracilis Nutt. | Eurybia compacta G. L. Nesom | | | Aster gracilis Nutt. | Eurybia compacta G. L. Nesom | 434037 | 434115 |
| Aster avitus Alexander | Eurybia avita (Alexander) G. L. Nesom | | | Aster avitus Alexander | Eurybia avita (Alexander) G. L. Nesom | 434038 | 434111 |
| Aster eryngiifolius Torr. & A. Gray | Eurybia eryngiifolia (Torr. & A. Gray) G. L. Nesom | | | Aster eryngiifolius Torr. & A. Gray | Eurybia eryngiifolia (Torr. & A. Gray) G. L. Nesom | 434039 | 434118 |
| Aster spinulosus Chapm. | Eurybia spinulosa (Chapm.) G. L. Nesom | | | Aster spinulosus Chapm. | Eurybia spinulosa (Chapm.) G. L. Nesom | 434040 | 434142 |
| Aster chapmanii Torr. & A. Gray | Eurybia chapmanii (Torr. & A. Gray) G. L. Nesom | | | Aster chapmanii Torr. & A. Gray | Eurybia chapmanii (Torr. & A. Gray) G. L. Nesom | 434041 | 434112 |
| Aster commixtus (Nees) Kuntze | Eurybia spectabilis (Aiton) G. L. Nesom | | | Aster commixtus (Nees) Kuntze | Eurybia spectabilis (Aiton) G. L. Nesom | 434042 | 434141 |
| Aster paternus Cronquist | Sericocarpus asteroides (L.) Britton et al. | | | Aster paternus Cronquist | Sericocarpus asteroides (L.) Britton et al. | 434056 | 434175 |
| Aster tortifolius Michx. | Sericocarpus tortifolius (Michx.) Nees | | | Aster tortifolius Michx. | Sericocarpus tortifolius (Michx.) Nees | 434057 | 434179 |
| Aster sericocarpoides (Small) K. Schum. | Doellingeria sericocarpoides Small | | | Aster sericocarpoides (Small) K. Schum. | Doellingeria sericocarpoides Small | 434058 | 434059 |
| Aster infirmus Michx. | Doellingeria infirma (Michx.) Greene | | | Aster infirmus Michx. | Doellingeria infirma (Michx.) Greene | 434060 | 434088 |
| Aster reticulatus Pursh | Oclemena reticulata (Pursh) G. L. Nesom | | | Aster reticulatus Pursh | Oclemena reticulata (Pursh) G. L. Nesom | 434061 | 434154 |
| Aster bracei Britton | Symphyotrichum bracei (Britton) G. L. Nesom | | | Aster bracei Britton | Symphyotrichum bracei (Britton) G. L. Nesom | 434062 | 434189 |
| Aster subulatus Michx. var. cubensis (DC.) Shinners | Symphyotrichum subulatum (Michx.) G. L. Nesom var. parviflorum (Nees) S. D. Sundb. | | i | Aster subulatus Michx. var.cubensis (DC.) Shinners | Symphyotrichum subulatum (Michx.) G. L. Nesom var.parviflorum (Nees) S. D. Sundb. | 434064 | 448827 |
| Aster subulatus Michx. var. ligulatus Shinners | Symphyotrichum subulatum (Michx.) G. L. Nesom var. ligulatum (Shinners) S. D. Sundb. | | i | Aster subulatus Michx. var.ligulatus Shinners | Symphyotrichum subulatum (Michx.) G. L. Nesom var.ligulatum (Shinners) S. D. Sundb. | 434066 | 448831 |
| Aster boltoniae Greene | Psilactis asteroides A. Gray | | | Aster boltoniae Greene | Psilactis asteroides A. Gray | 434067 | 434165 |
| Aster gymnocephalus (DC.) A. Gray | Xanthisma gymnocephalum (DC.) D. R. Morgan & R. L. Hartm. | | | Aster gymnocephalus (DC.) A. Gray | Xanthisma gymnocephalum (DC.) D. R. Morgan & R. L. Hartm. | 434068 | 461403 |
| Aster moranensis Kunth | Symphyotrichum moranense (Kunth) G. L. Nesom | | | Aster moranensis Kunth | Symphyotrichum moranense (Kunth) G. L. Nesom | 434070 | 434267 |
| Aster frutescens S. Watson | Xylorhiza frutescens (S. Watson) Greene | | | Aster frutescens S. Watson | Xylorhiza frutescens (S. Watson) Greene | 434072 | 461393 |
| Aster bullatus Klatt | Symphyotrichum bullatum (Klatt) G. L. Nesom | | | Aster bullatus Klatt | Symphyotrichum bullatum (Klatt) G. L. Nesom | 434073 | 434192 |
| Aster bahamensis Britton | Symphyotrichum subulatum (Michx.) G. L. Nesom var. elongatum (Boss. ex A. G. Jones & Lowry) S. D. Sundb. | | | Aster bahamensis Britton | Symphyotrichum subulatum (Michx.) G. L. Nesom var.elongatum (Boss. ex A. G. Jones & Lowry) S. D. Sundb. | 434074 | 448829 |
| Aster burgessii Britton | Symphyotrichum burgessii (Britton) G. L. Nesom | | | Aster burgessii Britton | Symphyotrichum burgessii (Britton) G. L. Nesom | 434075 | 434193 |
| Aster leonis Britton | Symphyotrichum leone (Britton) G. L. Nesom | | | Aster leonis Britton | Symphyotrichum leone (Britton) G. L. Nesom | 434076 | 434257 |
| Aster grisebachii Britton | | a | | Aster grisebachii Britton | | 434077 | |
| Aster steeleorum Shinners | Symphyotrichum laeve (L.) Á. Löve & D. Löve | | | Aster steeleorum Shinners | Symphyotrichum laeve (L.) Á. Löve & D. Löve | 434078 | 406893 |
| Aster longifolius Lam. | Symphyotrichum longifolium (Lam.) G. L. Nesom | | | Aster longifolius Lam. | Symphyotrichum longifolium (Lam.) G. L. Nesom | 434079 | 434259 |
| Aster crenifolius (Fernald) Cronquist | Symphyotrichum crenifolium (Fernald) G. L. Nesom | | | Aster crenifolius (Fernald) Cronquist | Symphyotrichum crenifolium (Fernald) G. L. Nesom | 434080 | 434203 |
| Aster foliaceus Lindl. var. crenifolius Fernald | Symphyotrichum crenifolium (Fernald) G. L. Nesom | | i | Aster foliaceus Lindl. var.crenifolius Fernald | Symphyotrichum crenifolium (Fernald) G. L. Nesom | 434081 | 434203 |
| Aster texanus E. S. Burgess | Symphyotrichum drummondii (Lindl.) G. L. Nesom | | | Aster texanus E. S. Burgess | Symphyotrichum drummondii (Lindl.) G. L. Nesom | 434082 | 434210 |
| Aster saxicastellii J. J. N. Campb. & Medley | Eurybia saxicastellii (J. J. N. Campb. & Medley) G. L. Nesom | | | Aster saxicastellii J. J. N. Campb. & Medley | Eurybia saxicastellii (J. J. N. Campb. & Medley) G. L. Nesom | 434083 | 434137 |
| Aster marchandii H. Lév. | | a | | Aster marchandii H. Lév. | | 434094 | |
| Aster longipetiolatus C. C. Chang | | a | | Aster longipetiolatus C. C. Chang | | 434096 | |
| Aster brickellioides Greene var. glabratus Greene | Eucephalus glabratus (Greene) Greene | | i | Aster brickellioides Greene var.glabratus Greene | Eucephalus glabratus (Greene) Greene | 434104 | 434105 |
| Aster chlorolepis E. S. Burgess | Eurybia chlorolepis (E. S. Burgess) G. L. Nesom | | | Aster chlorolepis E. S. Burgess | Eurybia chlorolepis (E. S. Burgess) G. L. Nesom | 434114 | 434113 |
| Aster jonesiae Lamboy | Eurybia jonesiae (Lamboy) G. L. Nesom | | | Aster jonesiae Lamboy | Eurybia jonesiae (Lamboy) G. L. Nesom | 434124 | 434125 |
| Aster meritus A. Nelson | Eurybia merita (A. Nelson) G. L. Nesom | | | Aster meritus A. Nelson | Eurybia merita (A. Nelson) G. L. Nesom | 434128 | 434127 |
| Aster glaucodes S. F. Blake subsp. pulcher S. F. Blake | Herrickia glauca (Nutt.) Brouillet var. pulchra (S. F. Blake) Brouillet | | i | Aster glaucodes S. F. Blake subsp. pulcher S. F. Blake | Herrickia glauca (Nutt.) Brouillet var.pulchra (S. F. Blake) Brouillet | 434132 | 460270 |
| Aster pygmaeus Lindl. | Eurybia pygmaea (Lindl.) G. L. Nesom | | | Aster pygmaeus Lindl. | Eurybia pygmaea (Lindl.) G. L. Nesom | 434133 | 434134 |
| Aster sibiricus L. var. subintegerrimus Trautv. | Eurybia sibirica (L.) G. L. Nesom | | i | Aster sibiricus L. var.subintegerrimus Trautv. | Eurybia sibirica (L.) G. L. Nesom | 434140 | 434139 |
| Aster elatus (Greene) Cronquist | Oreostemma elatum (Greene) Greene | | | Aster elatus (Greene) Cronquist | Oreostemma elatum (Greene) Greene | 434163 | 434161 |
| Aster gentryi Standl. | Psilactis gentryi (Standl.) D. R. Morgan | | | Aster gentryi Standl. | Psilactis gentryi (Standl.) D. R. Morgan | 434168 | 434167 |
| Aster anticostensis Fernald | Symphyotrichum anticostense (Fernald) G. L. Nesom | | | Aster anticostensis Fernald | Symphyotrichum anticostense (Fernald) G. L. Nesom | 434184 | 434182 |
| Aster laxiflorus Nees var. borealis Torr. & A. Gray | Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve | | i | Aster laxiflorus Nees var.borealis Torr. & A. Gray | Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve | 434187 | 434188 |
| Aster bracteolatus Nutt. | Symphyotrichum bracteolatum (Nutt.) G. L. Nesom | | | Aster bracteolatus Nutt. | Symphyotrichum bracteolatum (Nutt.) G. L. Nesom | 434190 | 434191 |
| Aster carnerosanus S. Watson | Symphyotrichum carnerosanum (S. Watson) G. L. Nesom | | | Aster carnerosanus S. Watson | Symphyotrichum carnerosanum (S. Watson) G. L. Nesom | 434196 | 434195 |
| Aster defoliatus Parish | Symphyotrichum defoliatum (Parish) G. L. Nesom | | | Aster defoliatus Parish | Symphyotrichum defoliatum (Parish) G. L. Nesom | 434206 | 434205 |
| Aster crassulus Rydb. | Symphyotrichum falcatum (Lindl.) G. L. Nesom var. falcatum | | | Aster crassulus Rydb. | Symphyotrichum falcatum (Lindl.) G. L. Nesom var.falcatum | 434217 | 434216 |
| Aster fontinalis Alexander | Symphyotrichum fontinale (Alexander) G. L. Nesom | | | Aster fontinalis Alexander | Symphyotrichum fontinale (Alexander) G. L. Nesom | 434225 | 434226 |
| Aster gypsophilus B. L. Turner | Symphyotrichum gypsophilum (B. L. Turner) G. L. Nesom | | | Aster gypsophilus B. L. Turner | Symphyotrichum gypsophilum (B. L. Turner) G. L. Nesom | 434234 | 434235 |
| Aster hendersonii Fernald | Symphyotrichum hendersonii (Fernald) G. L. Nesom | | | Aster hendersonii Fernald | Symphyotrichum hendersonii (Fernald) G. L. Nesom | 434237 | 434238 |
| Aster hintonii G. L. Nesom | Symphyotrichum hintonii (G. L. Nesom) G. L. Nesom | | | Aster hintonii G. L. Nesom | Symphyotrichum hintonii (G. L. Nesom) G. L. Nesom | 434239 | 434240 |
| Aster lateriflorus (L.) Britton var. flagellaris Shinners | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. flagellare (Shinners) G. L. Nesom | | i | Aster lateriflorus (L.) Britton var.flagellaris Shinners | Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var.flagellare (Shinners) G. L. Nesom | 434250 | 434251 |
| Aster lucayanus Britton | Symphyotrichum lucayanum (Britton) G. L. Nesom | | | Aster lucayanus Britton | Symphyotrichum lucayanum (Britton) G. L. Nesom | 434262 | 434261 |
| Aster martii Baker | Symphyotrichum martii (Baker) G. L. Nesom | | | Aster martii Baker | Symphyotrichum martii (Baker) G. L. Nesom | 434263 | 434264 |
| Aster mollis Rydb. | Symphyotrichum molle (Rydb.) G. L. Nesom | | | Aster mollis Rydb. | Symphyotrichum molle (Rydb.) G. L. Nesom | 434266 | 434265 |
| Aster potosinus A. Gray | Symphyotrichum potosinum (A. Gray) G. L. Nesom | | | Aster potosinus A. Gray | Symphyotrichum potosinum (A. Gray) G. L. Nesom | 434284 | 434283 |
| Aster retroflexus Lindl. | Symphyotrichum retroflexum (Lindl.) G. L. Nesom | | | Aster retroflexus Lindl. | Symphyotrichum retroflexum (Lindl.) G. L. Nesom | 434298 | 434297 |
| Aster schaffneri Sch. Bip. ex S. D. Sundb. & A. G. Jones | Symphyotrichum schaffneri (Sch. Bip. ex S. D. Sundb. & A. G. Jones) G. L. Nesom | | | Aster schaffneri Sch. Bip. ex S. D. Sundb. & A. G. Jones | Symphyotrichum schaffneri (Sch. Bip. ex S. D. Sundb. & A. G. Jones) G. L. Nesom | 434302 | 434300 |
| Aster simmondsii Small | Symphyotrichum simmondsii (Small) G. L. Nesom | | | Aster simmondsii Small | Symphyotrichum simmondsii (Small) G. L. Nesom | 434306 | 434305 |
| Aster foliaceus Lindl. var. subgeminatus Fernald | Symphyotrichum subgeminatum (Fernald) G. L. Nesom | | i | Aster foliaceus Lindl. var.subgeminatus Fernald | Symphyotrichum subgeminatum (Fernald) G. L. Nesom | 434316 | 434315 |
| Aster trilineatus Sch. Bip. ex Klatt | Symphyotrichum trilineatum (Sch. Bip. ex Klatt) G. L. Nesom | | | Aster trilineatus Sch. Bip. ex Klatt | Symphyotrichum trilineatum (Sch. Bip. ex Klatt) G. L. Nesom | 434322 | 434321 |
| Aster urophyllus Lindl. | Symphyotrichum urophyllum (Lindl.) G. L. Nesom | | | Aster urophyllus Lindl. | Symphyotrichum urophyllum (Lindl.) G. L. Nesom | 434329 | 434325 |
| Aster chimanimaniensis W. Lippert | Afroaster chimanimaniensis (W. Lippert) J. C. Manning & Goldblatt | | | Aster chimanimaniensis W. Lippert | Afroaster chimanimaniensis (W. Lippert) J. C. Manning & Goldblatt | 434335 | 469005 |
| Aster milanjiensis S. Moore | Afroaster milanjiensis (S. Moore) J. C. Manning & Goldblatt | | | Aster milanjiensis S. Moore | Afroaster milanjiensis (S. Moore) J. C. Manning & Goldblatt | 434336 | 469011 |
| Aster tansaniensis W. Lippert | Afroaster tansaniensis (W. Lippert) J. C. Manning & Goldblatt | | | Aster tansaniensis W. Lippert | Afroaster tansaniensis (W. Lippert) J. C. Manning & Goldblatt | 434337 | 469019 |
| Aster cabrerae Ariza | Symphyotrichum graminifolium (Spreng.) G. L. Nesom | | | Aster cabrerae Ariza | Symphyotrichum graminifolium (Spreng.) G. L. Nesom | 434338 | 434231 |
| Aster microcephalus (Miq.) Franch. & Sav. | | a | | Aster microcephalus (Miq.) Franch. & Sav. | | 434339 | |
| Aster microcephalus (Miq.) Franch. & Sav. var. microcephalus | | a | i | Aster microcephalus (Miq.) Franch. & Sav. var.microcephalus | | 434340 | |
| Aster microcephalus (Miq.) Franch. & Sav. var. ovatus (Franch. & Sav.) Soejima & Mot. Ito | | a | i | Aster microcephalus (Miq.) Franch. & Sav. var.ovatus (Franch. & Sav.) Soejima & Mot. Ito | | 434341 | |
| Aster microcephalus (Miq.) Franch. & Sav. var. yezoensis (Kitam. & H. Hara) Soejima & Mot. Ito | | a | i | Aster microcephalus (Miq.) Franch. & Sav. var.yezoensis (Kitam. & H. Hara) Soejima & Mot. Ito | | 434342 | |
| Aster engelmannii (D. C. Eaton) A. Gray var. ledophyllus A. Gray | Eucephalus ledophyllus (A. Gray) Greene | | i | Aster engelmannii (D. C. Eaton) A. Gray var.ledophyllus A. Gray | Eucephalus ledophyllus (A. Gray) Greene | 434343 | 434107 |
| Aster langaoensis J. Q. Fu | | a | | Aster langaoensis J. Q. Fu | | 434345 | |
| Aster filipes J. Q. Fu | | a | | Aster filipes J. Q. Fu | | 434346 | |
| Aster fanjingshanicus Y. L. Chen & D. J. Liu | | a | | Aster fanjingshanicus Y. L. Chen & D. J. Liu | | 434347 | |
| Aster motuoensis Y. L. Chen | | a | | Aster motuoensis Y. L. Chen | | 434348 | |
| Aster juchaihu Z. Y. Zhu & B. Q. Min | | a | | Aster juchaihu Z. Y. Zhu & B. Q. Min | | 434349 | |
| Aster pringlei (A. Gray) Britton | Symphyotrichum pilosum (Willd.) G. L. Nesom var. pringlei (A. Gray) G. L. Nesom | | | Aster pringlei (A. Gray) Britton | Symphyotrichum pilosum (Willd.) G. L. Nesom var.pringlei (A. Gray) G. L. Nesom | 434352 | 434281 |
| Aster flaccidus Bunge var. glandulosus Keissl. | Aster flaccidus Bunge subsp. glandulosus (Keissl.) Onno | | i | Aster flaccidus Bunge var.glandulosus Keissl. | Aster flaccidus Bunge subsp. glandulosus (Keissl.) Onno | 434355 | 433620 |
| Aster magnus Y. N. Lee & C. Kim | | a | | Aster magnus Y. N. Lee & C. Kim | | 434957 | |
| Aster zayuensis Y. L. Chen | | a | | Aster zayuensis Y. L. Chen | | 446440 | |
| Aster subulatus Michx. var. elongatus Boss. ex A. G. Jones & Lowry | Symphyotrichum subulatum (Michx.) G. L. Nesom var. elongatum (Boss. ex A. G. Jones & Lowry) S. D. Sundb. | | i | Aster subulatus Michx. var.elongatus Boss. ex A. G. Jones & Lowry | Symphyotrichum subulatum (Michx.) G. L. Nesom var.elongatum (Boss. ex A. G. Jones & Lowry) S. D. Sundb. | 448830 | 448829 |
| Aster longifolius Lam. var. villicaulis A. Gray | Symphyotrichum novi-belgii (L.) G. L. Nesom var. villicaule (A. Gray) Labrecque & Brouillet | | i | Aster longifolius Lam. var.villicaulis A. Gray | Symphyotrichum novi-belgii (L.) G. L. Nesom var.villicaule (A. Gray) Labrecque & Brouillet | 449384 | 449383 |
| Aster novi-belgii L. var. villicaulis (A. Gray) B. Boivin | Symphyotrichum novi-belgii (L.) G. L. Nesom var. villicaule (A. Gray) Labrecque & Brouillet | | i | Aster novi-belgii L. var.villicaulis (A. Gray) B. Boivin | Symphyotrichum novi-belgii (L.) G. L. Nesom var.villicaule (A. Gray) Labrecque & Brouillet | 449385 | 449383 |
| Aster johannensis Fernald | Symphyotrichum novi-belgii (L.) G. L. Nesom var. villicaule (A. Gray) Labrecque & Brouillet | | | Aster johannensis Fernald | Symphyotrichum novi-belgii (L.) G. L. Nesom var.villicaule (A. Gray) Labrecque & Brouillet | 449386 | 449383 |
| Aster novi-belgii L. subsp. johannensis (Fernald) A. G. Jones | Symphyotrichum novi-belgii (L.) G. L. Nesom var. villicaule (A. Gray) Labrecque & Brouillet | | i | Aster novi-belgii L. subsp. johannensis (Fernald) A. G. Jones | Symphyotrichum novi-belgii (L.) G. L. Nesom var.villicaule (A. Gray) Labrecque & Brouillet | 449387 | 449383 |
| Aster novi-belgii L. var. johannensis (Fernald) A. G. Jones | Symphyotrichum novi-belgii (L.) G. L. Nesom var. villicaule (A. Gray) Labrecque & Brouillet | | i | Aster novi-belgii L. var.johannensis (Fernald) A. G. Jones | Symphyotrichum novi-belgii (L.) G. L. Nesom var.villicaule (A. Gray) Labrecque & Brouillet | 449388 | 449383 |
| Aster natalensis (Sch. Bip.) Harv. | Felicia rosulata Yeo | | | Aster natalensis (Sch. Bip.) Harv. | Felicia rosulata Yeo | 449396 | 449393 |
| Aster glacialis Nutt. | Erigeron glacialis (Nutt.) A. Nelson var. glacialis | | | Aster glacialis Nutt. | Erigeron glacialis (Nutt.) A. Nelson var.glacialis | 452911 | 452910 |
| Aster arenarioides D. C. Eaton ex A. Gray | Erigeron arenarioides (D. C. Eaton ex A. Gray) A. Gray ex Rydb. | | | Aster arenarioides D. C. Eaton ex A. Gray | Erigeron arenarioides (D. C. Eaton ex A. Gray) A. Gray ex Rydb. | 452919 | 452918 |
| Aster leucanthemifolius Greene | Dieteria canescens (Pursh) Nutt. var. leucanthemifolia (Greene) D. R. Morgan & R. L. Hartm. | | | Aster leucanthemifolius Greene | Dieteria canescens (Pursh) Nutt. var.leucanthemifolia (Greene) D. R. Morgan & R. L. Hartm. | 452960 | 452959 |
| Aster canescens Pursh var. aristatus Eastw. | Dieteria canescens (Pursh) Nutt. var. aristata (Eastw.) D. R. Morgan & R. L. Hartm. | | i | Aster canescens Pursh var.aristatus Eastw. | Dieteria canescens (Pursh) Nutt. var.aristata (Eastw.) D. R. Morgan & R. L. Hartm. | 452969 | 452968 |
| Aster abatus S. F. Blake | Xylorhiza tortifolia (Torr. & A. Gray) Greene | | | Aster abatus S. F. Blake | Xylorhiza tortifolia (Torr. & A. Gray) Greene | 454508 | 410050 |
| Aster tortifolius (Torr. & A. Gray) A. Gray | Xylorhiza tortifolia (Torr. & A. Gray) Greene | | | Aster tortifolius (Torr. & A. Gray) A. Gray | Xylorhiza tortifolia (Torr. & A. Gray) Greene | 454511 | 410050 |
| Aster filaginifolius Hook. & Arn. | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. | | | Aster filaginifolius Hook. & Arn. | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. | 457371 | 452118 |
| Aster umbellatus Mill. var. pubens A. Gray | Doellingeria umbellata (Mill.) Nees var. pubens (A. Gray) Britton | | i | Aster umbellatus Mill. var.pubens A. Gray | Doellingeria umbellata (Mill.) Nees var.pubens (A. Gray) Britton | 461401 | 461400 |
| Aster kingii D. C. Eaton | Herrickia kingii (D. C. Eaton) Brouillet et al. var. kingii | | | Aster kingii D. C. Eaton | Herrickia kingii (D. C. Eaton) Brouillet et al. var.kingii | 461502 | 461501 |
| Aster coloradoensis A. Gray | Xanthisma coloradoense (A. Gray) D. R. Morgan & R. L. Hartm. | | | Aster coloradoensis A. Gray | Xanthisma coloradoense (A. Gray) D. R. Morgan & R. L. Hartm. | 462996 | 462994 |
| Aster subulatus auct. nonn. | Symphyotrichum subulatum (Michx.) G. L. Nesom var. squamatum (Spreng.) S. D. Sundb. | | | Aster subulatus auct. nonn. | Symphyotrichum subulatum (Michx.) G. L. Nesom var.squamatum (Spreng.) S. D. Sundb. | 464742 | 448832 |
| Aster cognatus H. M. Hall | Xylorhiza cognata (H. M. Hall) T. J. Watson | | | Aster cognatus H. M. Hall | Xylorhiza cognata (H. M. Hall) T. J. Watson | 467984 | 467983 |
| Aster pekinensis (Hance) F. H. Chen | | a | | Aster pekinensis (Hance) F. H. Chen | | 468502 | |
| Aster integrifolius (Turcz. ex DC.) Franch. | Aster pekinensis (Hance) F. H. Chen | | | Aster integrifolius (Turcz. ex DC.) Franch. | Aster pekinensis (Hance) F. H. Chen | 468503 | 468502 |
| Aster crispus Forssk. | Pulicaria undulata (L.) C. A. Mey. | | | Aster crispus Forssk. | Pulicaria undulata (L.) C. A. Mey. | 476366 | 476364 |
| Aster breviscapus Vaniot | Erigeron breviscapus (Vaniot) Hand.-Mazz. | | | Aster breviscapus Vaniot | Erigeron breviscapus (Vaniot) Hand.-Mazz. | 477481 | 477480 |
| Aster salsuginosus Richardson | Erigeron glacialis (Nutt.) A. Nelson | | | Aster salsuginosus Richardson | Erigeron glacialis (Nutt.) A. Nelson | 479489 | 452909 |
| Aster elodes Torr. & A. Gray | Symphyotrichum novi-belgii (L.) G. L. Nesom var. elodes (Torr. & A. Gray) G. L. Nesom | | | Aster elodes Torr. & A. Gray | Symphyotrichum novi-belgii (L.) G. L. Nesom var.elodes (Torr. & A. Gray) G. L. Nesom | 479862 | 479847 |
| Aster forrestii Stapf | Aster souliei Franch. var. limitaneus (W. W. Sm. & Farrer) Hand.-Mazz. | | | Aster forrestii Stapf | Aster souliei Franch. var.limitaneus (W. W. Sm. & Farrer) Hand.-Mazz. | 480113 | 480114 |
| Aster souliei Franch. var. limitaneus (W. W. Sm. & Farrer) Hand.-Mazz. | | a | i | Aster souliei Franch. var.limitaneus (W. W. Sm. & Farrer) Hand.-Mazz. | | 480114 | |
| Aster souliei Franch. var. souliei | | a | i | Aster souliei Franch. var.souliei | | 480115 | |
| Aster limitaneus W. W. Sm. & Farrer | Aster souliei Franch. var. limitaneus (W. W. Sm. & Farrer) Hand.-Mazz. | | | Aster limitaneus W. W. Sm. & Farrer | Aster souliei Franch. var.limitaneus (W. W. Sm. & Farrer) Hand.-Mazz. | 480116 | 480114 |
| Aster ageratoides Turcz. subsp. ageratoides | Aster ageratoides Turcz. var. ageratoides | | i | Aster ageratoides Turcz. subsp. ageratoides | Aster ageratoides Turcz. var.ageratoides | 483917 | 433660 |
| Aster alpinus L. subsp. alpinus | Aster alpinus L. var. alpinus | | i | Aster alpinus L. subsp. alpinus | Aster alpinus L. var.alpinus | 483918 | 409079 |
| Aster glaucodes S. F. Blake subsp. glaucodes | Herrickia glauca (Nutt.) Brouillet | | i | Aster glaucodes S. F. Blake subsp. glaucodes | Herrickia glauca (Nutt.) Brouillet | 483919 | 460269 |
| Aster nemoralis Aiton var. nemoralis | Oclemena nemoralis (Aiton) Greene | | i | Aster nemoralis Aiton var.nemoralis | Oclemena nemoralis (Aiton) Greene | 483920 | 434153 |
| Aster novi-belgii L. subsp. novi-belgii | Symphyotrichum novi-belgii (L.) G. L. Nesom var. novi-belgii | | i | Aster novi-belgii L. subsp. novi-belgii | Symphyotrichum novi-belgii (L.) G. L. Nesom var.novi-belgii | 483921 | 449981 |
| Aster trinervius Roxb. ex D. Don subsp. trinervius | Aster trinervius Roxb. ex D. Don var. trinervius | | i | Aster trinervius Roxb. ex D. Don subsp. trinervius | Aster trinervius Roxb. ex D. Don var.trinervius | 483922 | 433640 |
| Aster incisus Fisch. | | a | | Aster incisus Fisch. | | 485038 | |