| Iris bicolor Lindl. | Dietes bicolor (Steud.) Sweet ex Klatt | | | Iris bicolor Lindl. | Dietes bicolor (Steud.) Sweet ex Klatt | 20261 | 13968 |
| Iris biflora L. | Iris spp. | | | Iris biflora L. | Iris spp. | 20262 | 300285 |
| Iris dichotoma Pall. | | a | | Iris dichotoma Pall. | | 20292 | |
| Iris martinicensis Jacq. | Trimezia martinicensis (Jacq.) Herb. | | | Iris martinicensis Jacq. | Trimezia martinicensis (Jacq.) Herb. | 20358 | 40454 |
| Iris polystachya Thunb. | Moraea polystachya (Thunb.) Ker Gawl. | | | Iris polystachya Thunb. | Moraea polystachya (Thunb.) Ker Gawl. | 20383 | 24583 |
| Iris sisyrinchium L. | Moraea sisyrinchium (L.) Ker Gawl. | | | Iris sisyrinchium L. | Moraea sisyrinchium (L.) Ker Gawl. | 20402 | 429953 |
| Iris straussii Leichtlin ex Micheli | Iris spp. | | | Iris straussii Leichtlin ex Micheli | Iris spp. | 20420 | 300285 |
| Iris tuberosa L. | | a | | Iris tuberosa L. | | 20434 | |
| Iris spp. | | a | | Iris spp. | | 300285 | |
| Iris hybr. | | a | | Iris hybr. | | 314424 | |
| Iris robinsoniana F. Muell. | Dietes robinsoniana (F. Muell.) Klatt | | | Iris robinsoniana F. Muell. | Dietes robinsoniana (F. Muell.) Klatt | 417423 | 312709 |
| Iris papilionacea L. f. | Moraea papilionacea (L. f.) Ker Gawl. | | | Iris papilionacea L. f. | Moraea papilionacea (L. f.) Ker Gawl. | 411083 | 24581 |
| Iris villosa Ker Gawl. | Moraea villosa (Ker Gawl.) Ker Gawl. | | | Iris villosa Ker Gawl. | Moraea villosa (Ker Gawl.) Ker Gawl. | 411085 | 411084 |
| Iris maricoides Regel | Moraea sisyrinchium (L.) Ker Gawl. | | | Iris maricoides Regel | Moraea sisyrinchium (L.) Ker Gawl. | 429294 | 429953 |
| Iris falcata Babal. & Papan. | | a | | Iris falcata Babal. & Papan. | | 429359 | |
| Iris ×norrisii (L. W. Lenz) C. Whitehouse | | a | | Iris norrisii (L. W. Lenz) C. Whitehouse | | 485818 | |
| Iris latistyla Y. T. Zhao | | a | | Iris latistyla Y. T. Zhao | | 428968 | |
| Iris leptophylla Lingelsh. ex H. Limpr. | | a | | Iris leptophylla Lingelsh. ex H. Limpr. | | 428969 | |
| Iris sichuanensis Y. T. Zhao | Iris leptophylla Lingelsh. ex H. Limpr. | | | Iris sichuanensis Y. T. Zhao | Iris leptophylla Lingelsh. ex H. Limpr. | 428970 | 428969 |
| Iris barbatula Noltie & K. Y. Guan | | a | | Iris barbatula Noltie & K. Y. Guan | | 429046 | |
| Iris decora Wall. | | a | | Iris decora Wall. | | 428835 | |
| Iris staintonii H. Hara | | a | | Iris staintonii H. Hara | | 428837 | |
| Iris nepalensis D. Don | Iris decora Wall. | | | Iris nepalensis D. Don | Iris decora Wall. | 20368 | 428835 |
| Iris collettii Hook. f. | | a | | Iris collettii Hook. f. | | 20278 | |
| Iris filifolia Boiss. | | a | | Iris filifolia Boiss. | | 20300 | |
| Iris fontanesii Godr. | Iris tingitana Boiss. & Reut. | | | Iris fontanesii Godr. | Iris tingitana Boiss. & Reut. | 20305 | 20432 |
| Iris hispanica hort. ex Steud. | Iris xiphium L. | | | Iris hispanica hort. ex Steud. | Iris xiphium L. | 20329 | 20447 |
| Iris boissieri Henriq. | | a | | Iris boissieri Henriq. | | 428838 | |
| Iris juncea Poir. | | a | | Iris juncea Poir. | | 428839 | |
| Iris serotina Willk. | | a | | Iris serotina Willk. | | 428840 | |
| Iris xiphium L. | | a | | Iris xiphium L. | | 20447 | |
| Iris tingitana Boiss. & Reut. | | a | | Iris tingitana Boiss. & Reut. | | 20432 | |
| Iris latifolia (Mill.) Voss | | a | | Iris latifolia (Mill.) Voss | | 410593 | |
| Iris xiphioides Ehrh. | Iris latifolia (Mill.) Voss | | | Iris xiphioides Ehrh. | Iris latifolia (Mill.) Voss | 447775 | 410593 |
| Iris ×hollandica hort., nom. inval. | | a | | Iris hollandica hort., nom. inval. | | 476349 | |
| Iris caucasica Hoffm. var. linifolia Regel | Iris linifolia (Regel) O. Fedtsch. | | i | Iris caucasica Hoffm. var.linifolia Regel | Iris linifolia (Regel) O. Fedtsch. | 432665 | 428883 |
| Iris orchioides hort. | Iris bucharica Foster | | | Iris orchioides hort. | Iris bucharica Foster | 468588 | 20265 |
| Iris fedtschenkoi F. O. Khass. & Rakhimova | | a | | Iris fedtschenkoi F. O. Khass. & Rakhimova | | 468596 | |
| Iris pseudocapnoides Rukšāns | | a | | Iris pseudocapnoides Rukšāns | | 468597 | |
| Iris capnoides (Vved.) T. Hall & Seisums | | a | | Iris capnoides (Vved.) T. Hall & Seisums | | 468602 | |
| Iris coerulea B. Fedtsch. | Iris fedtschenkoi F. O. Khass. & Rakhimova | | | Iris coerulea B. Fedtsch. | Iris fedtschenkoi F. O. Khass. & Rakhimova | 429298 | 468596 |
| Iris kopetdagensis (Vved.) B. Mathew & Wendelbo | | a | | Iris kopetdagensis (Vved.) B. Mathew & Wendelbo | | 315296 | |
| Iris vicaria (Vved.) T. Hall & Seisums | | a | | Iris vicaria (Vved.) T. Hall & Seisums | | 20441 | |
| Iris warleyensis Foster | | a | | Iris warleyensis Foster | | 20443 | |
| Iris aitchisonii (Baker) Boiss. | | a | | Iris aitchisonii (Baker) Boiss. | | 428843 | |
| Iris albomarginata R. C. Foster | | a | | Iris albomarginata R. C. Foster | | 428844 | |
| Iris atropatana Grossh. | | a | | Iris atropatana Grossh. | | 428846 | |
| Iris aucheri (Baker) Sealy | | a | | Iris aucheri (Baker) Sealy | | 428847 | |
| Iris baldschuanica O. Fedtsch. & B. Fedtsch. | | a | | Iris baldschuanica O. Fedtsch. & B. Fedtsch. | | 428849 | |
| Iris cabulica Gilli | | a | | Iris cabulica Gilli | | 428850 | |
| Iris carterorum B. Mathew & Wendelbo | | a | | Iris carterorum B. Mathew & Wendelbo | | 428853 | |
| Iris cycloglossa Wendelbo | | a | | Iris cycloglossa Wendelbo | | 428854 | |
| Iris doabensis B. Mathew | | a | | Iris doabensis B. Mathew | | 428858 | |
| Iris edomensis Sealy | | a | | Iris edomensis Sealy | | 428861 | |
| Iris fosteriana Aitch. & Baker | | a | | Iris fosteriana Aitch. & Baker | | 428865 | |
| Iris galatica Siehe | | a | | Iris galatica Siehe | | 428868 | |
| Iris graeberiana Tubergen ex Sealy | | a | | Iris graeberiana Tubergen ex Sealy | | 428871 | |
| Iris hippolyti (Vved.) Kamelin | | a | | Iris hippolyti (Vved.) Kamelin | | 428872 | |
| Iris hymenospatha B. Mathew & Wendelbo | | a | | Iris hymenospatha B. Mathew & Wendelbo | | 428876 | |
| Iris inconspicua (Vved.) T. Hall & Seisums | | a | | Iris inconspicua (Vved.) T. Hall & Seisums | | 428877 | |
| Iris kuschakewiczii B. Fedtsch. | | a | | Iris kuschakewiczii B. Fedtsch. | | 428879 | |
| Iris leptorhiza Vved. | | a | | Iris leptorhiza Vved. | | 428881 | |
| Iris linifolia (Regel) O. Fedtsch. | | a | | Iris linifolia (Regel) O. Fedtsch. | | 428883 | |
| Iris maracandica (Vved.) Wendelbo | | a | | Iris maracandica (Vved.) Wendelbo | | 428884 | |
| Iris microglossa Wendelbo | | a | | Iris microglossa Wendelbo | | 428886 | |
| Iris narynensis O. Fedtsch. | | a | | Iris narynensis O. Fedtsch. | | 428890 | |
| Iris nicolai Vved., nom. inval. | Iris rosenbachiana Regel | | | Iris nicolai Vved., nom. inval. | Iris rosenbachiana Regel | 428892 | 428908 |
| Iris nusairiensis Mouterde | | a | | Iris nusairiensis Mouterde | | 428893 | |
| Iris odontostyla B. Mathew & Wendelbo | | a | | Iris odontostyla B. Mathew & Wendelbo | | 428895 | |
| Iris parvula (Vved.) T. Hall & Seisums | | a | | Iris parvula (Vved.) T. Hall & Seisums | | 428897 | |
| Iris planifolia (Mill.) Fiori & Paol. | | a | | Iris planifolia (Mill.) Fiori & Paol. | | 428899 | |
| Iris platyptera B. Mathew & Wendelbo | | a | | Iris platyptera B. Mathew & Wendelbo | | 428900 | |
| Iris popovii (Vved.) Vved. ex F. O. Khass. & Rakhimova | | a | | Iris popovii (Vved.) Vved. ex F. O. Khass. & Rakhimova | | 428901 | |
| Iris porphyrochrysa Wendelbo | | a | | Iris porphyrochrysa Wendelbo | | 428902 | |
| Iris postii Mouterde | | a | | Iris postii Mouterde | | 428903 | |
| Iris pseudocaucasica Grossh. | | a | | Iris pseudocaucasica Grossh. | | 428905 | |
| Iris regis-uzziae Feinbrun | | a | | Iris regis-uzziae Feinbrun | | 428906 | |
| Iris rosenbachiana Regel | | a | | Iris rosenbachiana Regel | | 428908 | |
| Iris schischkinii Grossh. | | a | | Iris schischkinii Grossh. | | 428910 | |
| Iris subdecolorata Vved. | | a | | Iris subdecolorata Vved. | | 428911 | |
| Iris svetlanae (Vved.) F. O. Khass. | | a | | Iris svetlanae (Vved.) F. O. Khass. | | 428913 | |
| Iris tadshikorum Vved. | | a | | Iris tadshikorum Vved. | | 428915 | |
| Iris tubergeniana Foster | | a | | Iris tubergeniana Foster | | 428916 | |
| Iris vvedenskyi Nevski ex Woronow & Popov | | a | | Iris vvedenskyi Nevski ex Woronow & Popov | | 428917 | |
| Iris wendelboi Grey-Wilson & B. Mathew | | a | | Iris wendelboi Grey-Wilson & B. Mathew | | 428918 | |
| Iris willmottiana Foster | | a | | Iris willmottiana Foster | | 428919 | |
| Iris xanthochlora Wendelbo | | a | | Iris xanthochlora Wendelbo | | 428920 | |
| Iris zaprjagajevii (Abramov) T. Hall & Seisums | | a | | Iris zaprjagajevii (Abramov) T. Hall & Seisums | | 428921 | |
| Iris zenaidae (Vved.) F. O. Khass. & Rakhimova | | a | | Iris zenaidae (Vved.) F. O. Khass. & Rakhimova | | 428922 | |
| Iris drepanophylla Aitch. & Baker | | a | | Iris drepanophylla Aitch. & Baker | | 20294 | |
| Iris bucharica Foster | | a | | Iris bucharica Foster | | 20265 | |
| Iris caucasica Hoffm. | | a | | Iris caucasica Hoffm. | | 20270 | |
| Iris alata Poir. | Iris planifolia (Mill.) Fiori & Paol. | | | Iris alata Poir. | Iris planifolia (Mill.) Fiori & Paol. | 20245 | 428899 |
| Iris orchioides Carrière | | a | | Iris orchioides Carrière | | 20374 | |
| Iris palaestina (Baker) Boiss. | | a | | Iris palaestina (Baker) Boiss. | | 20377 | |
| Iris narbutii O. Fedtsch. | | a | | Iris narbutii O. Fedtsch. | | 20366 | |
| Iris magnifica Vved. | | a | | Iris magnifica Vved. | | 20356 | |
| Iris stenophylla Hausskn. & Siehe ex Baker | | a | | Iris stenophylla Hausskn. & Siehe ex Baker | | 20417 | |
| Iris stocksii (Baker) Boiss. | | a | | Iris stocksii (Baker) Boiss. | | 20418 | |
| Iris persica L. | | a | | Iris persica L. | | 20380 | |
| Iris persica L. var. stenophylla (Hausskn. & Siehe ex Baker) Dykes | Iris stenophylla Hausskn. & Siehe ex Baker | | i | Iris persica L. var.stenophylla (Hausskn. & Siehe ex Baker) Dykes | Iris stenophylla Hausskn. & Siehe ex Baker | 20381 | 20417 |
| Iris reticulata M. Bieb. | | a | | Iris reticulata M. Bieb. | | 20387 | |
| Iris kolpakowskiana Regel | | a | | Iris kolpakowskiana Regel | | 20343 | |
| Iris bakeriana Foster | | a | | Iris bakeriana Foster | | 20257 | |
| Iris histrioides (G. F. Wilson) S. Arn. | | a | | Iris histrioides (G. F. Wilson) S. Arn. | | 20330 | |
| Iris histrio Rchb. f. | | a | | Iris histrio Rchb. f. | | 428923 | |
| Iris hyrcana Woronow ex Grossh. | | a | | Iris hyrcana Woronow ex Grossh. | | 428924 | |
| Iris pamphylica Hedge | | a | | Iris pamphylica Hedge | | 428925 | |
| Iris winkleri Regel | | a | | Iris winkleri Regel | | 428927 | |
| Iris winogradowii Fomin ex Vved. | | a | | Iris winogradowii Fomin ex Vved. | | 20446 | |
| Iris danfordiae (Baker) Boiss. | | a | | Iris danfordiae (Baker) Boiss. | | 314422 | |
| Iris vartanii Foster | | a | | Iris vartanii Foster | | 20437 | |
| Iris pskemensis Rukšāns | | a | | Iris pskemensis Rukšāns | | 468584 | |
| Iris reticulata M. Bieb. var. histrioides G. F. Wilson | Iris histrioides (G. F. Wilson) S. Arn. | | i | Iris reticulata M. Bieb. var.histrioides G. F. Wilson | Iris histrioides (G. F. Wilson) S. Arn. | 432684 | 20330 |
| Iris domestica Goldblatt & Mabb. | | a | | Iris domestica Goldblatt & Mabb. | | 449051 | |
| Iris glaucescens Bunge | Iris scariosa Willd. ex Link | | | Iris glaucescens Bunge | Iris scariosa Willd. ex Link | 468581 | 428604 |
| Iris adriatica Trinajstić ex Mitić | | a | | Iris adriatica Trinajstić ex Mitić | | 432697 | |
| Iris relicta Colas. | | a | | Iris relicta Colas. | | 432698 | |
| Iris bicapitata Colas. | | a | | Iris bicapitata Colas. | | 429299 | |
| Iris mesopotamica Dykes | | a | | Iris mesopotamica Dykes | | 429078 | |
| Iris purpureobractea B. Mathew & T. Baytop | | a | | Iris purpureobractea B. Mathew & T. Baytop | | 428958 | |
| Iris revoluta Colas. | | a | | Iris revoluta Colas. | | 428959 | |
| Iris florentina hort. | Iris ×germanica L. var. florentina Dykes | | | Iris florentina hort. | Iris germanica L. var.florentina Dykes | 481074 | 400251 |
| Iris suaveolens Boiss. & Reut. | | a | | Iris suaveolens Boiss. & Reut. | | 20421 | |
| Iris sulphurea K. Koch | Iris imbricata Lindl. | | | Iris sulphurea K. Koch | Iris imbricata Lindl. | 20422 | 20336 |
| Iris ×germanica L. var. florentina Dykes | | a | i | Iris germanica L. var.florentina Dykes | | 400251 | |
| Iris florentina L. | | a | | Iris florentina L. | | 400617 | |
| Iris alexeenkoi Grossh. | | a | | Iris alexeenkoi Grossh. | | 428483 | |
| Iris amoena Redouté | Iris variegata L. | | | Iris amoena Redouté | Iris variegata L. | 428484 | 428612 |
| Iris babadagica Rzazade & Goln. | | a | | Iris babadagica Rzazade & Goln. | | 428583 | |
| Iris glockiana O. Schwarz | | a | | Iris glockiana O. Schwarz | | 428589 | |
| Iris griffithii Baker | | a | | Iris griffithii Baker | | 428591 | |
| Iris marsica I. Ricci & Colas. | | a | | Iris marsica I. Ricci & Colas. | | 428597 | |
| Iris perrieri Simonet ex P. Fourn. | | a | | Iris perrieri Simonet ex P. Fourn. | | 428599 | |
| Iris pseudopumila Tineo | | a | | Iris pseudopumila Tineo | | 428600 | |
| Iris reichenbachii Heuff. | | a | | Iris reichenbachii Heuff. | | 428602 | |
| Iris scariosa Willd. ex Link | | a | | Iris scariosa Willd. ex Link | | 428604 | |
| Iris schachtii Markgr. | | a | | Iris schachtii Markgr. | | 428605 | |
| Iris subbiflora Brot. | | a | | Iris subbiflora Brot. | | 428606 | |
| Iris taochia Woronow ex Grossh. | | a | | Iris taochia Woronow ex Grossh. | | 428608 | |
| Iris timofejewii Woronow | | a | | Iris timofejewii Woronow | | 428609 | |
| Iris variegata L. | | a | | Iris variegata L. | | 428612 | |
| Iris ×germanica L. var. germanica | | a | i | Iris germanica L. var.germanica | | 405220 | |
| Iris albicans Lange | Iris florentina L. | | | Iris albicans Lange | Iris florentina L. | 410592 | 400617 |
| Iris pallida Lam. subsp. pallida | | a | i | Iris pallida Lam. subsp. pallida | | 402218 | |
| Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | | a | i | Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | | 402219 | |
| Iris imbricata Lindl. | | a | | Iris imbricata Lindl. | | 20336 | |
| Iris italica Parl. | Iris lutescens Lam. | | | Iris italica Parl. | Iris lutescens Lam. | 20337 | 20353 |
| Iris junonia Schott & Kotschy | Iris pallida Lam. | | | Iris junonia Schott & Kotschy | Iris pallida Lam. | 20339 | 20378 |
| Iris flavescens Redouté | Iris variegata L. | | | Iris flavescens Redouté | Iris variegata L. | 20302 | 428612 |
| Iris furcata M. Bieb. | Iris aphylla L. | | | Iris furcata M. Bieb. | Iris aphylla L. | 20308 | 20250 |
| Iris ×germanica L. | | a | | Iris germanica L. | | 20310 | |
| Iris attica Boiss. & Heldr. | | a | | Iris attica Boiss. & Heldr. | | 20254 | |
| Iris alberti Regel | | a | | Iris alberti Regel | | 20246 | |
| Iris aphylla L. | | a | | Iris aphylla L. | | 20250 | |
| Iris cengialti Ambrosi ex A. Kern. | Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | | | Iris cengialti Ambrosi ex A. Kern. | Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | 20271 | 402219 |
| Iris chamaeiris Ambrosi var. italica (Parl.) Baker | Iris lutescens Lam. | | i | Iris chamaeiris Ambrosi var.italica (Parl.) Baker | Iris lutescens Lam. | 20273 | 20353 |
| Iris chamaeiris Ambrosi var. olbiensis (Hénon) Baker | Iris lutescens Lam. | | i | Iris chamaeiris Ambrosi var.olbiensis (Hénon) Baker | Iris lutescens Lam. | 20274 | 20353 |
| Iris bartonii Foster | Iris kashmiriana Baker | | | Iris bartonii Foster | Iris kashmiriana Baker | 20259 | 20341 |
| Iris kashmiriana Baker | | a | | Iris kashmiriana Baker | | 20341 | |
| Iris ×lurida Aiton | Iris ×sambucina L. | | | Iris lurida Aiton | Iris sambucina L. | 20352 | 20392 |
| Iris lutescens Lam. | | a | | Iris lutescens Lam. | | 20353 | |
| Iris lutescens Lam. var. statellae (Tod.) Baker | Iris lutescens Lam. | | i | Iris lutescens Lam. var.statellae (Tod.) Baker | Iris lutescens Lam. | 20354 | 20353 |
| Iris mellita Janka | Iris suaveolens Boiss. & Reut. | | | Iris mellita Janka | Iris suaveolens Boiss. & Reut. | 20360 | 20421 |
| Iris pallida Lam. | | a | | Iris pallida Lam. | | 20378 | |
| Iris obtusifolia Baker | Iris imbricata Lindl. | | | Iris obtusifolia Baker | Iris imbricata Lindl. | 20371 | 20336 |
| Iris olbiensis Hénon | Iris lutescens Lam. | | | Iris olbiensis Hénon | Iris lutescens Lam. | 20373 | 20353 |
| Iris pumila L. | | a | | Iris pumila L. | | 20386 | |
| Iris rubromarginata Baker | Iris suaveolens Boiss. & Reut. | | | Iris rubromarginata Baker | Iris suaveolens Boiss. & Reut. | 20389 | 20421 |
| Iris ×sambucina L. | | a | | Iris sambucina L. | | 20392 | |
| Iris ×squalens L. | Iris ×sambucina L. | | | Iris squalens L. | Iris sambucina L. | 20415 | 20392 |
| Iris statellae Tod. | Iris lutescens Lam. | | | Iris statellae Tod. | Iris lutescens Lam. | 20416 | 20353 |
| Iris sikkimensis Dykes | | a | | Iris sikkimensis Dykes | | 20400 | |
| Iris kamaonensis Wall. ex D. Don, orth. var. | Iris kemaonensis Wall. ex Royle | | | Iris kamaonensis Wall. ex D. Don, orth. var. | Iris kemaonensis Wall. ex Royle | 20346 | 429062 |
| Iris hookeriana Foster | | a | | Iris hookeriana Foster | | 20332 | |
| Iris tigridia Bunge | | a | | Iris tigridia Bunge | | 413660 | |
| Iris goniocarpa Baker | | a | | Iris goniocarpa Baker | | 428658 | |
| Iris narcissiflora Diels | | a | | Iris narcissiflora Diels | | 428928 | |
| Iris psammocola Y. T. Zhao | | a | | Iris psammocola Y. T. Zhao | | 429059 | |
| Iris cuniculiformis Noltie & K. Y. Guan | | a | | Iris cuniculiformis Noltie & K. Y. Guan | | 429061 | |
| Iris kemaonensis Wall. ex Royle | | a | | Iris kemaonensis Wall. ex Royle | | 429062 | |
| Iris dolichosiphon Noltie | | a | | Iris dolichosiphon Noltie | | 429063 | |
| Iris pandurata Maxim. | Iris tigridia Bunge | | | Iris pandurata Maxim. | Iris tigridia Bunge | 428962 | 413660 |
| Iris dolichosiphon Noltie subsp. dolichosiphon | | a | i | Iris dolichosiphon Noltie subsp. dolichosiphon | | 432690 | |
| Iris dolichosiphon Noltie subsp. orientalis Noltie | | a | i | Iris dolichosiphon Noltie subsp. orientalis Noltie | | 432691 | |
| Iris karategina B. Fedtsch. | Iris lineata Foster ex Regel | | | Iris karategina B. Fedtsch. | Iris lineata Foster ex Regel | 429291 | 428654 |
| Iris afghanica Wendelbo | | a | | Iris afghanica Wendelbo | | 428646 | |
| Iris darwasica Regel | | a | | Iris darwasica Regel | | 428647 | |
| Iris heweri Grey-Wilson & B. Mathew | | a | | Iris heweri Grey-Wilson & B. Mathew | | 428648 | |
| Iris kuschkensis Grey-Wilson & B. Mathew | | a | | Iris kuschkensis Grey-Wilson & B. Mathew | | 428652 | |
| Iris lineata Foster ex Regel | | a | | Iris lineata Foster ex Regel | | 428654 | |
| Iris hoogiana Dykes | | a | | Iris hoogiana Dykes | | 20333 | |
| Iris stolonifera Maxim. | | a | | Iris stolonifera Maxim. | | 20419 | |
| Iris korolkowii Regel | | a | | Iris korolkowii Regel | | 20345 | |
| Iris falcifolia Bunge | | a | | Iris falcifolia Bunge | | 20299 | |
| Iris longiscapa Ledeb. | | a | | Iris longiscapa Ledeb. | | 428655 | |
| Iris bloudowii Bunge | | a | | Iris bloudowii Bunge | | 428613 | |
| Iris humilis Georgi | | a | | Iris humilis Georgi | | 428615 | |
| Iris mandshurica Maxim. | | a | | Iris mandshurica Maxim. | | 428616 | |
| Iris potaninii Maxim. | | a | | Iris potaninii Maxim. | | 428618 | |
| Iris flavissima Pall. | Iris humilis Georgi | | | Iris flavissima Pall. | Iris humilis Georgi | 429049 | 428615 |
| Iris curvifolia Y. T. Zhao | | a | | Iris curvifolia Y. T. Zhao | | 428961 | |
| Iris medwedewii Fomin | Iris paradoxa Steven | | | Iris medwedewii Fomin | Iris paradoxa Steven | 429289 | 20379 |
| Iris sari Schott ex Baker | | a | | Iris sari Schott ex Baker | | 432682 | |
| Iris sprengeri Siehe | | a | | Iris sprengeri Siehe | | 432683 | |
| Iris iberica Hoffm. subsp. elegantissma (Sosn.) Fed. & Takht. | | a | i | Iris iberica Hoffm. subsp. elegantissma (Sosn.) Fed. & Takht. | | 449664 | |
| Iris iberica Hoffm. subsp. iberica | | a | i | Iris iberica Hoffm. subsp. iberica | | 449665 | |
| Iris acutiloba C. A. Mey. subsp. acutiloba | | a | i | Iris acutiloba C. A. Mey. subsp. acutiloba | | 476345 | |
| Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | | a | i | Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | | 476346 | |
| Iris acutiloba C. A. Mey. var. lineolata Trautv. | Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | | i | Iris acutiloba C. A. Mey. var.lineolata Trautv. | Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | 476347 | 476346 |
| Iris acutiloba C. A. Mey. subsp. longitepala B. Mathew & Zarrei | | a | i | Iris acutiloba C. A. Mey. subsp. longitepala B. Mathew & Zarrei | | 476348 | |
| Iris assadiana Chaudhary et al. | | a | | Iris assadiana Chaudhary et al. | | 428621 | |
| Iris atrofusca Baker | | a | | Iris atrofusca Baker | | 428623 | |
| Iris bostrensis Mouterde | | a | | Iris bostrensis Mouterde | | 428627 | |
| Iris camillae Grossh. | | a | | Iris camillae Grossh. | | 428628 | |
| Iris cedretii Dinsm. ex Chaudhary | | a | | Iris cedretii Dinsm. ex Chaudhary | | 428629 | |
| Iris damascena Mouterde | | a | | Iris damascena Mouterde | | 428630 | |
| Iris elisabethae Siehe | | a | | Iris elisabethae Siehe | | 428631 | |
| Iris heylandiana Boiss. & Reut. | | a | | Iris heylandiana Boiss. & Reut. | | 428632 | |
| Iris jordana Dinsm. | | a | | Iris jordana Dinsm. | | 428634 | |
| Iris keredjensis Parsa | | a | | Iris keredjensis Parsa | | 428635 | |
| Iris kirkwoodiae Chaudhary | | a | | Iris kirkwoodiae Chaudhary | | 428636 | |
| Iris mariae Barbey | | a | | Iris mariae Barbey | | 428637 | |
| Iris meda Stapf | | a | | Iris meda Stapf | | 428640 | |
| Iris nectarifera Güner | | a | | Iris nectarifera Güner | | 428642 | |
| Iris petrana Dinsm. | | a | | Iris petrana Dinsm. | | 428643 | |
| Iris swensoniana Chaudhary et al. | | a | | Iris swensoniana Chaudhary et al. | | 428644 | |
| Iris yebrudii Dinsm. ex Chaudhary | | a | | Iris yebrudii Dinsm. ex Chaudhary | | 428645 | |
| Iris westii Dinsm. | | a | | Iris westii Dinsm. | | 20444 | |
| Iris susiana L. | | a | | Iris susiana L. | | 20423 | |
| Iris samariae Dinsm. | | a | | Iris samariae Dinsm. | | 20391 | |
| Iris urmiensis Hoog | Iris barnumiae Baker & Foster | | | Iris urmiensis Hoog | Iris barnumiae Baker & Foster | 20436 | 20258 |
| Iris ewbankiana Foster | Iris acutiloba C. A. Mey. | | | Iris ewbankiana Foster | Iris acutiloba C. A. Mey. | 20298 | 20244 |
| Iris gatesii Foster | | a | | Iris gatesii Foster | | 20309 | |
| Iris grossheimii Woronow ex Grossh. | | a | | Iris grossheimii Woronow ex Grossh. | | 20315 | |
| Iris fominii Woronow ex Grossh. | Iris acutiloba C. A. Mey. | | | Iris fominii Woronow ex Grossh. | Iris acutiloba C. A. Mey. | 20304 | 20244 |
| Iris iberica Hoffm. | | a | | Iris iberica Hoffm. | | 20335 | |
| Iris hauranensis Dinsm. | Iris jordana Dinsm. | | | Iris hauranensis Dinsm. | Iris jordana Dinsm. | 20323 | 428634 |
| Iris haynei Baker | | a | | Iris haynei Baker | | 20324 | |
| Iris hermona Dinsm. | | a | | Iris hermona Dinsm. | | 20326 | |
| Iris basaltica Dinsm. | | a | | Iris basaltica Dinsm. | | 20260 | |
| Iris atropurpurea Baker | | a | | Iris atropurpurea Baker | | 20252 | |
| Iris acutiloba C. A. Mey. | | a | | Iris acutiloba C. A. Mey. | | 20244 | |
| Iris antilibanotica Dinsm. | | a | | Iris antilibanotica Dinsm. | | 20249 | |
| Iris aurantica Dinsm. | | a | | Iris aurantica Dinsm. | | 20255 | |
| Iris barnumiae Baker & Foster | | a | | Iris barnumiae Baker & Foster | | 20258 | |
| Iris biggeri Dinsm. | | a | | Iris biggeri Dinsm. | | 20263 | |
| Iris bismarckiana Regel | | a | | Iris bismarckiana Regel | | 20264 | |
| Iris polakii Stapf | | a | | Iris polakii Stapf | | 20382 | |
| Iris schelkownikowii Fomin | | a | | Iris schelkownikowii Fomin | | 20396 | |
| Iris sari Schott ex Baker var. nazarena Foster | Iris bismarckiana Regel | | i | Iris sari Schott ex Baker var.nazarena Foster | Iris bismarckiana Regel | 20394 | 20264 |
| Iris sofarana Foster | | a | | Iris sofarana Foster | | 20403 | |
| Iris lortetii Barbey ex Boiss. | | a | | Iris lortetii Barbey ex Boiss. | | 20350 | |
| Iris lupina Foster | | a | | Iris lupina Foster | | 20351 | |
| Iris kasruwana Dinsm. | Iris sofarana Foster | | | Iris kasruwana Dinsm. | Iris sofarana Foster | 20342 | 20403 |
| Iris lycotis Woronow | Iris iberica Hoffm. | | | Iris lycotis Woronow | Iris iberica Hoffm. | 20355 | 20335 |
| Iris nigricans Dinsm. | | a | | Iris nigricans Dinsm. | | 20369 | |
| Iris paradoxa Steven | | a | | Iris paradoxa Steven | | 20379 | |
| Iris nazarena (Foster) Dinsm. | Iris bismarckiana Regel | | | Iris nazarena (Foster) Dinsm. | Iris bismarckiana Regel | 20367 | 20264 |
| Iris minuta Franch. & Sav. | Iris minutoaurea Makino | | | Iris minuta Franch. & Sav. | Iris minutoaurea Makino | 20362 | 428694 |
| Iris missouriensis Nutt. | | a | | Iris missouriensis Nutt. | | 20363 | |
| Iris ×monnieri Redouté | | a | | Iris monnieri Redouté | | 20364 | |
| Iris musulmanica Fomin | Iris spuria L. subsp. musulmanica (Fomin) Takht. | | | Iris musulmanica Fomin | Iris spuria L. subsp. musulmanica (Fomin) Takht. | 20365 | 429755 |
| Iris orientalis Mill. | | a | | Iris orientalis Mill. | | 20375 | |
| Iris pabularia hort. ex Hasselbr. | Iris ensata Thunb. | | | Iris pabularia hort. ex Hasselbr. | Iris ensata Thunb. | 20376 | 20295 |
| Iris notha M. Bieb. | Iris spuria L. subsp. notha (M. Bieb.) Asch. & Graebn. | | | Iris notha M. Bieb. | Iris spuria L. subsp. notha (M. Bieb.) Asch. & Graebn. | 20370 | 429750 |
| Iris maritima Mill. | Iris sibirica L. | | | Iris maritima Mill. | Iris sibirica L. | 20357 | 20398 |
| Iris melanosticta Bornm. | | a | | Iris melanosticta Bornm. | | 20359 | |
| Iris koreana Nakai | | a | | Iris koreana Nakai | | 20344 | |
| Iris laevigata Fisch. | | a | | Iris laevigata Fisch. | | 20348 | |
| Iris sogdiana Bunge | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | | | Iris sogdiana Bunge | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | 20404 | 429751 |
| Iris songarica Schrenk ex Fisch. & C. A. Mey. | | a | | Iris songarica Schrenk ex Fisch. & C. A. Mey. | | 20405 | |
| Iris spathulata L. f. | Moraea spathulata (L. f.) Klatt | | | Iris spathulata L. f. | Moraea spathulata (L. f.) Klatt | 20407 | 24586 |
| Iris savatieri Nakai | Iris minutoaurea Makino | | | Iris savatieri Nakai | Iris minutoaurea Makino | 20395 | 428694 |
| Iris sintenisii Janka | | a | | Iris sintenisii Janka | | 20401 | |
| Iris spuria L. | | a | | Iris spuria L. | | 20409 | |
| Iris spuria L. subsp. aurea Dykes | Iris crocea Jacq. | | i | Iris spuria L. subsp. aurea Dykes | Iris crocea Jacq. | 20410 | 428732 |
| Iris spuria L. var. daenensis (Kotschy ex Baker) Kotschy ex Baker | Iris spuria L. subsp. musulmanica (Fomin) Takht. | | i | Iris spuria L. var.daenensis (Kotschy ex Baker) Kotschy ex Baker | Iris spuria L. subsp. musulmanica (Fomin) Takht. | 20411 | 429755 |
| Iris spuria L. var. desertorum (Gueldenst.) Ker Gawl. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | i | Iris spuria L. var.desertorum (Gueldenst.) Ker Gawl. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | 20412 | 432696 |
| Iris spuria L. var. halophila (Pall.) Dykes | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | i | Iris spuria L. var.halophila (Pall.) Dykes | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | 20413 | 432696 |
| Iris spuria L. var. notha (M. Bieb.) Baker | Iris spuria L. subsp. notha (M. Bieb.) Asch. & Graebn. | | i | Iris spuria L. var.notha (M. Bieb.) Baker | Iris spuria L. subsp. notha (M. Bieb.) Asch. & Graebn. | 20414 | 429750 |
| Iris setosa Pall. ex Link | | a | | Iris setosa Pall. ex Link | | 20397 | |
| Iris sibirica L. | | a | | Iris sibirica L. | | 20398 | |
| Iris sibirica L. var. sanguinea (Hornem.) Ker Gawl. | Iris sanguinea Hornem. | | i | Iris sibirica L. var.sanguinea (Hornem.) Ker Gawl. | Iris sanguinea Hornem. | 20399 | 20393 |
| Iris sanguinea Hornem. | | a | | Iris sanguinea Hornem. | | 20393 | |
| Iris ruthenica Ker Gawl. | | a | | Iris ruthenica Ker Gawl. | | 20390 | |
| Iris prismatica Pursh | | a | | Iris prismatica Pursh | | 20384 | |
| Iris pseudacorus L. | | a | | Iris pseudacorus L. | | 20385 | |
| Iris rossii Baker | | a | | Iris rossii Baker | | 20388 | |
| Iris albopurpurea Baker | Iris laevigata Fisch. | | | Iris albopurpurea Baker | Iris laevigata Fisch. | 20247 | 20348 |
| Iris amabilis Eastw. | Iris macrosiphon Torr. | | | Iris amabilis Eastw. | Iris macrosiphon Torr. | 20248 | 428714 |
| Iris douglasiana Herb. | | a | | Iris douglasiana Herb. | | 20293 | |
| Iris daenensis Kotschy ex Baker | Iris spuria L. subsp. musulmanica (Fomin) Takht. | | | Iris daenensis Kotschy ex Baker | Iris spuria L. subsp. musulmanica (Fomin) Takht. | 20290 | 429755 |
| Iris delavayi Micheli | | a | | Iris delavayi Micheli | | 20291 | |
| Iris chrysographes Dykes | | a | | Iris chrysographes Dykes | | 20275 | |
| Iris chrysophylla Howell | | a | | Iris chrysophylla Howell | | 20276 | |
| Iris clarkei Baker ex Hook. f. | | a | | Iris clarkei Baker ex Hook. f. | | 20277 | |
| Iris bulleyana Dykes | | a | | Iris bulleyana Dykes | | 20267 | |
| Iris bungei Maxim. | | a | | Iris bungei Maxim. | | 20268 | |
| Iris carthaliniae Fomin | Iris spuria L. subsp. carthaliniae (Fomin) B. Mathew | | | Iris carthaliniae Fomin | Iris spuria L. subsp. carthaliniae (Fomin) B. Mathew | 20269 | 429753 |
| Iris hexagona Walter | | a | | Iris hexagona Walter | | 20327 | |
| Iris himalaica Dykes | Iris clarkei Baker ex Hook. f. | | | Iris himalaica Dykes | Iris clarkei Baker ex Hook. f. | 20328 | 20277 |
| Iris hookeri Penny ex Loudon | | a | | Iris hookeri Penny ex Loudon | | 20331 | |
| Iris graminea L. | | a | | Iris graminea L. | | 20313 | |
| Iris grant-duffii Baker | | a | | Iris grant-duffii Baker | | 20314 | |
| Iris humilis M. Bieb. | Iris pontica Zapal. | | | Iris humilis M. Bieb. | Iris pontica Zapal. | 20334 | 428813 |
| Iris kaempferi Siebold ex Lem. | Iris ensata Thunb. | | | Iris kaempferi Siebold ex Lem. | Iris ensata Thunb. | 20340 | 20295 |
| Iris guldenstaedtiana Lepech. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | | Iris guldenstaedtiana Lepech. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | 20316 | 432696 |
| Iris guldenstaedtiana Lepech. var. sogdiana (Bunge) Baker | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | | i | Iris guldenstaedtiana Lepech. var.sogdiana (Bunge) Baker | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | 20317 | 429751 |
| Iris halophila Pall. var. sogdiana (Bunge) Skeels | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | | i | Iris halophila Pall. var.sogdiana (Bunge) Skeels | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | 20320 | 429751 |
| Iris ensata Thunb. | | a | | Iris ensata Thunb. | | 20295 | |
| Iris ensata Thunb. var. pabularia Naudin | Iris ensata Thunb. | | i | Iris ensata Thunb. var.pabularia Naudin | Iris ensata Thunb. | 20297 | 20295 |
| Iris foetidissima L. | | a | | Iris foetidissima L. | | 20303 | |
| Iris forrestii Dykes | | a | | Iris forrestii Dykes | | 20306 | |
| Iris fulva Ker Gawl. | | a | | Iris fulva Ker Gawl. | | 20307 | |
| Iris unguicularis Poir. | | a | | Iris unguicularis Poir. | | 20435 | |
| Iris ventricosa Pall. | | a | | Iris ventricosa Pall. | | 20438 | |
| Iris verna L. | | a | | Iris verna L. | | 20439 | |
| Iris versicolor L. | | a | | Iris versicolor L. | | 20440 | |
| Iris tridentata Pursh | | a | | Iris tridentata Pursh | | 20433 | |
| Iris tenax Douglas | | a | | Iris tenax Douglas | | 20428 | |
| Iris tenuifolia Pall. | | a | | Iris tenuifolia Pall. | | 20429 | |
| Iris tenuissima Dykes | | a | | Iris tenuissima Dykes | | 20430 | |
| Iris wilsonii C. H. Wright | | a | | Iris wilsonii C. H. Wright | | 20445 | |
| Iris spuria L. subsp. halophila (Pall.) B. Mathew & Wendelbo | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | i | Iris spuria L. subsp. halophila (Pall.) B. Mathew & Wendelbo | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | 310637 | 432696 |
| Iris halophila Pall. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | | Iris halophila Pall. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | 310638 | 432696 |
| Iris hexagona Walter var. savannarum (Small) R. C. Foster | Iris savannarum Small | | i | Iris hexagona Walter var.savannarum (Small) R. C. Foster | Iris savannarum Small | 312788 | 432668 |
| Iris lactea Pall. | | a | | Iris lactea Pall. | | 401980 | |
| Iris ensata Thunb. var. spontanea (Makino) Nakai | Iris ensata Thunb. | | i | Iris ensata Thunb. var.spontanea (Makino) Nakai | Iris ensata Thunb. | 104883 | 20295 |
| Iris virginica L. | | a | | Iris virginica L. | | 402603 | |
| Iris lactea Pall. var. chinensis (Fisch.) Koidz. | Iris lactea Pall. | | i | Iris lactea Pall. var.chinensis (Fisch.) Koidz. | Iris lactea Pall. | 403688 | 401980 |
| Iris pallasii Fisch. var. chinensis Fisch. | Iris lactea Pall. | | i | Iris pallasii Fisch. var.chinensis Fisch. | Iris lactea Pall. | 403689 | 401980 |
| Iris uniflora Pall. ex Link var. caricina Kitag. | | a | i | Iris uniflora Pall. ex Link var.caricina Kitag. | | 404850 | |
| Iris henryi Baker | | a | | Iris henryi Baker | | 428690 | |
| Iris minutoaurea Makino | | a | | Iris minutoaurea Makino | | 428694 | |
| Iris odaesanensis Y. N. Lee | | a | | Iris odaesanensis Y. N. Lee | | 428696 | |
| Iris caespitosa Link | Iris ruthenica Ker Gawl. | | | Iris caespitosa Link | Iris ruthenica Ker Gawl. | 428700 | 20390 |
| Iris dykesii Stapf | | a | | Iris dykesii Stapf | | 428703 | |
| Iris phragmitetorum Hand.-Mazz. | Iris laevigata Fisch. | | | Iris phragmitetorum Hand.-Mazz. | Iris laevigata Fisch. | 428705 | 20348 |
| Iris bracteata S. Watson | | a | | Iris bracteata S. Watson | | 428707 | |
| Iris fernaldii R. C. Foster | | a | | Iris fernaldii R. C. Foster | | 428709 | |
| Iris hartwegii Baker | | a | | Iris hartwegii Baker | | 428711 | |
| Iris innominata Hend. | | a | | Iris innominata Hend. | | 428713 | |
| Iris macrosiphon Torr. | | a | | Iris macrosiphon Torr. | | 428714 | |
| Iris munzii R. C. Foster | | a | | Iris munzii R. C. Foster | | 428717 | |
| Iris purdyi Eastw. | | a | | Iris purdyi Eastw. | | 428718 | |
| Iris longipetala Herb. | | a | | Iris longipetala Herb. | | 428720 | |
| Iris brevicaulis Raf. | | a | | Iris brevicaulis Raf. | | 428722 | |
| Iris giganticaerulea Small | | a | | Iris giganticaerulea Small | | 428724 | |
| Iris nelsonii Randolph | | a | | Iris nelsonii Randolph | | 428725 | |
| Iris colchica Kem.-Nath. | | a | | Iris colchica Kem.-Nath. | | 428731 | |
| Iris crocea Jacq. | | a | | Iris crocea Jacq. | | 428732 | |
| Iris kerneriana Asch. & Sint. | | a | | Iris kerneriana Asch. & Sint. | | 428734 | |
| Iris ludwigii Maxim. | | a | | Iris ludwigii Maxim. | | 428807 | |
| Iris polysticta Diels | Iris farreri Dykes | | | Iris polysticta Diels | Iris farreri Dykes | 428811 | 429021 |
| Iris pontica Zapal. | | a | | Iris pontica Zapal. | | 428813 | |
| Iris xanthospuria B. Mathew & T. Baytop | | a | | Iris xanthospuria B. Mathew & T. Baytop | | 428815 | |
| Iris cathayensis Migo | | a | | Iris cathayensis Migo | | 428817 | |
| Iris kobayashii Kitag. | | a | | Iris kobayashii Kitag. | | 428819 | |
| Iris loczyi Kanitz | | a | | Iris loczyi Kanitz | | 428821 | |
| Iris regelii Maxim. ex Regel | Iris tenuifolia Pall. | | | Iris regelii Maxim. ex Regel | Iris tenuifolia Pall. | 428825 | 20429 |
| Iris masia Stapf ex Foster | | a | | Iris masia Stapf ex Foster | | 428830 | |
| Iris lazica Albov | | a | | Iris lazica Albov | | 428832 | |
| Iris setosa Pall. ex Link var. interior E. S. Anderson | Iris setosa Pall. ex Link | | i | Iris setosa Pall. ex Link var.interior E. S. Anderson | Iris setosa Pall. ex Link | 470399 | 20397 |
| Iris setosa Pall. ex Link subsp. interior (E. S. Anderson) Hultén | Iris setosa Pall. ex Link | | i | Iris setosa Pall. ex Link subsp. interior (E. S. Anderson) Hultén | Iris setosa Pall. ex Link | 470400 | 20397 |
| Iris foetidissima L. var. citrina Syme | | a | i | Iris foetidissima L. var.citrina Syme | | 450037 | |
| Iris setosa Pall. ex Link var. setosa | Iris setosa Pall. ex Link | | i | Iris setosa Pall. ex Link var.setosa | Iris setosa Pall. ex Link | 452168 | 20397 |
| Iris nertchinskia hort. Lodd., nom. nud. | Iris sanguinea Hornem. | | | Iris nertchinskia hort. Lodd., nom. nud. | Iris sanguinea Hornem. | 460774 | 20393 |
| Iris uniflora Link | | a | | Iris uniflora Link | | 432685 | |
| Iris uniflora Pall. ex Link var. uniflora | | a | i | Iris uniflora Pall. ex Link var.uniflora | | 432686 | |
| Iris demetrii Achv. & Mirzoeva | Iris spuria L. subsp. demetrii (Achv. & Mirzoeva) B. Mathew | | | Iris demetrii Achv. & Mirzoeva | Iris spuria L. subsp. demetrii (Achv. & Mirzoeva) B. Mathew | 432666 | 429752 |
| Iris kaempferi Siebold ex Lem. var. spontanea Makino | Iris ensata Thunb. | | i | Iris kaempferi Siebold ex Lem. var.spontanea Makino | Iris ensata Thunb. | 432667 | 20295 |
| Iris savannarum Small | | a | | Iris savannarum Small | | 432668 | |
| Iris spuria L. subsp. spuria | | a | i | Iris spuria L. subsp. spuria | | 432680 | |
| Iris verna L. var. verna | | a | i | Iris verna L. var.verna | | 432692 | |
| Iris verna L. var. smalliana Fernald | | a | i | Iris verna L. var.smalliana Fernald | | 432693 | |
| Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | a | i | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | 432696 | |
| Iris shrevei Small | Iris virginica L. | | | Iris shrevei Small | Iris virginica L. | 449452 | 402603 |
| Iris virginica L. var. shrevei (Small) E. S. Anderson | Iris virginica L. | | i | Iris virginica L. var.shrevei (Small) E. S. Anderson | Iris virginica L. | 449453 | 402603 |
| Iris violacea Klatt | Iris spuria L. subsp. musulmanica (Fomin) Takht. | | | Iris violacea Klatt | Iris spuria L. subsp. musulmanica (Fomin) Takht. | 429079 | 429755 |
| Iris pariensis S. L. Welsh | | a | | Iris pariensis S. L. Welsh | | 429364 | |
| Iris spuria L. subsp. notha (M. Bieb.) Asch. & Graebn. | | a | i | Iris spuria L. subsp. notha (M. Bieb.) Asch. & Graebn. | | 429750 | |
| Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | | a | i | Iris spuria L. subsp. sogdiana (Bunge) B. Mathew | | 429751 | |
| Iris spuria L. subsp. demetrii (Achv. & Mirzoeva) B. Mathew | | a | i | Iris spuria L. subsp. demetrii (Achv. & Mirzoeva) B. Mathew | | 429752 | |
| Iris spuria L. subsp. carthaliniae (Fomin) B. Mathew | | a | i | Iris spuria L. subsp. carthaliniae (Fomin) B. Mathew | | 429753 | |
| Iris spuria L. subsp. maritima P. Fourn. | | a | i | Iris spuria L. subsp. maritima P. Fourn. | | 429754 | |
| Iris spuria L. subsp. musulmanica (Fomin) Takht. | | a | i | Iris spuria L. subsp. musulmanica (Fomin) Takht. | | 429755 | |
| Iris desertorum Gueldenst. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | | | Iris desertorum Gueldenst. | Iris spuria L. subsp. guldenstaedtiana (Lepech.) Soldano | 429756 | 432696 |
| Iris oxypetala Bunge | Iris lactea Pall. | | | Iris oxypetala Bunge | Iris lactea Pall. | 429064 | 401980 |
| Iris typhifolia Kitag. | | a | | Iris typhifolia Kitag. | | 428963 | |
| Iris maackii Maxim. | | a | | Iris maackii Maxim. | | 428964 | |
| Iris anguifuga Y. T. Zhao & X. J. Xue | | a | | Iris anguifuga Y. T. Zhao & X. J. Xue | | 428965 | |
| Iris qinghainica Y. T. Zhao | | a | | Iris qinghainica Y. T. Zhao | | 428967 | |
| Iris aurea Lindl. | Iris crocea Jacq. | | | Iris aurea Lindl. | Iris crocea Jacq. | 429010 | 428732 |
| Iris triflora Balb. | Iris lactea Pall. | | | Iris triflora Balb. | Iris lactea Pall. | 429017 | 401980 |
| Iris farreri Dykes | | a | | Iris farreri Dykes | | 429021 | |
| Iris foliosa Mack. & Bush | Iris brevicaulis Raf. | | | Iris foliosa Mack. & Bush | Iris brevicaulis Raf. | 480112 | 428722 |
| Iris setosa Pall. ex Link subsp. setosa | Iris setosa Pall. ex Link | | i | Iris setosa Pall. ex Link subsp. setosa | Iris setosa Pall. ex Link | 480162 | 20397 |
| Iris subdichotoma Y. T. Zhao | | a | | Iris subdichotoma Y. T. Zhao | | 429047 | |
| Iris proantha Diels | | a | | Iris proantha Diels | | 429048 | |
| Iris confusa Sealy | | a | | Iris confusa Sealy | | 428663 | |
| Iris formosana Ohwi | | a | | Iris formosana Ohwi | | 428666 | |
| Iris pseudorossii S. S. Chien | Iris proantha Diels | | | Iris pseudorossii S. S. Chien | Iris proantha Diels | 428672 | 429048 |
| Iris tenuis S. Watson | | a | | Iris tenuis S. Watson | | 428676 | |
| Iris wattii Baker ex Hook. f. | | a | | Iris wattii Baker ex Hook. f. | | 428680 | |
| Iris grijsii Maxim. | Iris speculatrix Hance | | | Iris grijsii Maxim. | Iris speculatrix Hance | 428689 | 20408 |
| Iris lacustris Nutt. | | a | | Iris lacustris Nutt. | | 320043 | |
| Iris tectorum Maxim. | | a | | Iris tectorum Maxim. | | 20427 | |
| Iris gracilipes A. Gray | | a | | Iris gracilipes A. Gray | | 20312 | |
| Iris japonica Thunb. | | a | | Iris japonica Thunb. | | 20338 | |
| Iris cristata Aiton | | a | | Iris cristata Aiton | | 20289 | |
| Iris speculatrix Hance | | a | | Iris speculatrix Hance | | 20408 | |
| Iris milesii Baker ex Foster | | a | | Iris milesii Baker ex Foster | | 20361 | |