| Lupinus adsurgens Drew | | a | | Lupinus adsurgens Drew | | 22797 | |
| Lupinus affinis J. Agardh | | a | | Lupinus affinis J. Agardh | | 22798 | |
| Lupinus albicaulis Douglas | | a | | Lupinus albicaulis Douglas | | 22799 | |
| Lupinus albicaulis Douglas var. shastensis (A. Heller) C. P. Sm. | Lupinus albicaulis Douglas | | i | Lupinus albicaulis Douglas var.shastensis (A. Heller) C. P. Sm. | Lupinus albicaulis Douglas | 22800 | 22799 |
| Lupinus albifrons Benth. | | a | | Lupinus albifrons Benth. | | 22801 | |
| Lupinus albus L. | | a | | Lupinus albus L. | | 22802 | |
| Lupinus alpestris A. Nelson | Lupinus argenteus Pursh var. rubricaulis (Greene) S. L. Welsh | | | Lupinus alpestris A. Nelson | Lupinus argenteus Pursh var.rubricaulis (Greene) S. L. Welsh | 22803 | 403050 |
| Lupinus andersonii S. Watson | | a | | Lupinus andersonii S. Watson | | 22804 | |
| Lupinus angustifolius L. | | a | | Lupinus angustifolius L. | | 22805 | |
| Lupinus arboreus Sims | | a | | Lupinus arboreus Sims | | 22807 | |
| Lupinus arbustus Douglas ex Lindl. | | a | | Lupinus arbustus Douglas ex Lindl. | | 22808 | |
| Lupinus argenteus Pursh | | a | | Lupinus argenteus Pursh | | 22809 | |
| Lupinus aridus Douglas | Lupinus lepidus Douglas ex Lindl. var. aridus (Douglas) Jeps. | | | Lupinus aridus Douglas | Lupinus lepidus Douglas ex Lindl. var.aridus (Douglas) Jeps. | 22810 | 401689 |
| Lupinus atlanticus Gladst. | | a | | Lupinus atlanticus Gladst. | | 22811 | |
| Lupinus bicolor Lindl. | | a | | Lupinus bicolor Lindl. | | 22812 | |
| Lupinus caespitosus Nutt. | Lupinus lepidus Douglas ex Lindl. var. utahensis (S. Watson) C. L. Hitchc. | | | Lupinus caespitosus Nutt. | Lupinus lepidus Douglas ex Lindl. var.utahensis (S. Watson) C. L. Hitchc. | 22813 | 401688 |
| Lupinus caudatus Kellogg | Lupinus argenteus Pursh var. heteranthus (S. Watson) Barneby | | | Lupinus caudatus Kellogg | Lupinus argenteus Pursh var.heteranthus (S. Watson) Barneby | 22814 | 403052 |
| Lupinus concinnus J. Agardh | | a | | Lupinus concinnus J. Agardh | | 22815 | |
| Lupinus cosentinii Guss. | | a | | Lupinus cosentinii Guss. | | 22816 | |
| Lupinus cruckshanksii Hook. | Lupinus mutabilis Sweet | | | Lupinus cruckshanksii Hook. | Lupinus mutabilis Sweet | 22817 | 22844 |
| Lupinus douglasii J. Agardh | Lupinus albifrons Benth. var. douglasii (J. Agardh) C. P. Sm. | | | Lupinus douglasii J. Agardh | Lupinus albifrons Benth. var.douglasii (J. Agardh) C. P. Sm. | 22818 | 311753 |
| Lupinus elegans Kunth | | a | | Lupinus elegans Kunth | | 22819 | |
| Lupinus geophilus Rose | | a | | Lupinus geophilus Rose | | 22820 | |
| Lupinus graecus Boiss. & Spruner | Lupinus albus L. var. graecus (Boiss. & Spruner) Gladst. | | | Lupinus graecus Boiss. & Spruner | Lupinus albus L. var.graecus (Boiss. & Spruner) Gladst. | 22821 | 311744 |
| Lupinus hartwegii Lindl. | Lupinus mexicanus Cerv. ex Lag. | | | Lupinus hartwegii Lindl. | Lupinus mexicanus Cerv. ex Lag. | 22822 | 313369 |
| Lupinus hilarianus Benth. | | a | | Lupinus hilarianus Benth. | | 22823 | |
| Lupinus hirsutissimus Benth. | | a | | Lupinus hirsutissimus Benth. | | 22824 | |
| Lupinus hirsutus L. | Lupinus pilosus L. | | | Lupinus hirsutus L. | Lupinus pilosus L. | 22825 | 22853 |
| Lupinus hispanicus Boiss. & Reut. | | a | | Lupinus hispanicus Boiss. & Reut. | | 22826 | |
| Lupinus humicola A. Nelson | Lupinus polyphyllus Lindl. var. humicola (A. Nelson) Barneby | | | Lupinus humicola A. Nelson | Lupinus polyphyllus Lindl. var.humicola (A. Nelson) Barneby | 22827 | 401677 |
| Lupinus insignis Glaz. ex C. P. Sm. | | a | | Lupinus insignis Glaz. ex C. P. Sm. | | 22828 | |
| Lupinus latifolius J. Agardh | | a | | Lupinus latifolius J. Agardh | | 22829 | |
| Lupinus laxiflorus Douglas ex Lindl. | Lupinus argenteus Pursh var. argenteus | | | Lupinus laxiflorus Douglas ex Lindl. | Lupinus argenteus Pursh var.argenteus | 22830 | 311764 |
| Lupinus lepidus Douglas ex Lindl. | | a | | Lupinus lepidus Douglas ex Lindl. | | 22831 | |
| Lupinus lepidus Douglas ex Lindl. subsp. caespitosus (Nutt.) Detling | Lupinus lepidus Douglas ex Lindl. var. utahensis (S. Watson) C. L. Hitchc. | | i | Lupinus lepidus Douglas ex Lindl. subsp. caespitosus (Nutt.) Detling | Lupinus lepidus Douglas ex Lindl. var.utahensis (S. Watson) C. L. Hitchc. | 22832 | 401688 |
| Lupinus leucophyllus Douglas ex Lindl. | | a | | Lupinus leucophyllus Douglas ex Lindl. | | 22833 | |
| Lupinus leucopsis J. Agardh | Lupinus sericeus Pursh | | | Lupinus leucopsis J. Agardh | Lupinus sericeus Pursh | 22834 | 22905 |
| Lupinus linifolius Roth | Lupinus angustifolius L. | | | Lupinus linifolius Roth | Lupinus angustifolius L. | 22835 | 22805 |
| Lupinus littoralis Douglas | | a | | Lupinus littoralis Douglas | | 22836 | |
| Lupinus luteolus Kellogg | | a | | Lupinus luteolus Kellogg | | 22837 | |
| Lupinus luteus L. | | a | | Lupinus luteus L. | | 22838 | |
| Lupinus lyallii A. Gray | Lupinus lepidus Douglas ex Lindl. var. lobbii (A. Gray ex S. Watson) C. L. Hitchc. | | | Lupinus lyallii A. Gray | Lupinus lepidus Douglas ex Lindl. var.lobbii (A. Gray ex S. Watson) C. L. Hitchc. | 22839 | 401686 |
| Lupinus micranthus Douglas | Lupinus bicolor Lindl. | | | Lupinus micranthus Douglas | Lupinus bicolor Lindl. | 22840 | 22812 |
| Lupinus micranthus Guss. | | a | | Lupinus micranthus Guss. | | 22841 | |
| Lupinus microcarpus Sims | | a | | Lupinus microcarpus Sims | | 22842 | |
| Lupinus montigenus A. Heller | Lupinus argenteus Pursh var. montigenus (A. Heller) Barneby | | | Lupinus montigenus A. Heller | Lupinus argenteus Pursh var.montigenus (A. Heller) Barneby | 22843 | 403057 |
| Lupinus mutabilis Sweet | | a | | Lupinus mutabilis Sweet | | 22844 | |
| Lupinus nanus Douglas ex Benth. | | a | | Lupinus nanus Douglas ex Benth. | | 22845 | |
| Lupinus nevadensis A. Heller | | a | | Lupinus nevadensis A. Heller | | 22846 | |
| Lupinus nootkatensis Donn ex Sims | | a | | Lupinus nootkatensis Donn ex Sims | | 22847 | |
| Lupinus ornatus Douglas | Lupinus sericeus Pursh | | | Lupinus ornatus Douglas | Lupinus sericeus Pursh | 22848 | 22905 |
| Lupinus pachylobus Greene | | a | | Lupinus pachylobus Greene | | 22849 | |
| Lupinus palaestinus Boiss. | | a | | Lupinus palaestinus Boiss. | | 22850 | |
| Lupinus paniculatus Desr. | | a | | Lupinus paniculatus Desr. | | 22851 | |
| Lupinus perennis L. | | a | | Lupinus perennis L. | | 22852 | |
| Lupinus pilosus L. | | a | | Lupinus pilosus L. | | 22853 | |
| Lupinus polycarpus Greene | Lupinus bicolor Lindl. | | | Lupinus polycarpus Greene | Lupinus bicolor Lindl. | 22854 | 22812 |
| Lupinus polyphyllus Lindl. | | a | | Lupinus polyphyllus Lindl. | | 22855 | |
| Lupinus princei Harms | | a | | Lupinus princei Harms | | 22901 | |
| Lupinus pubescens Benth. | | a | | Lupinus pubescens Benth. | | 22902 | |
| Lupinus reticulatus Desv. | Lupinus angustifolius L. subsp. reticulatus (Desv.) Arcang. | | | Lupinus reticulatus Desv. | Lupinus angustifolius L. subsp. reticulatus (Desv.) Arcang. | 22903 | 407714 |
| Lupinus rothmaleri Klink. | Lupinus hispanicus Boiss. & Reut. subsp. bicolor (Merino) Gladst. | | | Lupinus rothmaleri Klink. | Lupinus hispanicus Boiss. & Reut. subsp. bicolor (Merino) Gladst. | 22904 | 311745 |
| Lupinus sericeus Pursh | | a | | Lupinus sericeus Pursh | | 22905 | |
| Lupinus stiversii Kellogg | | a | | Lupinus stiversii Kellogg | | 22906 | |
| Lupinus subcarnosus Hook. | | a | | Lupinus subcarnosus Hook. | | 22907 | |
| Lupinus succulentus Douglas ex K. Koch | | a | | Lupinus succulentus Douglas ex K. Koch | | 22908 | |
| Lupinus termis Forssk. | Lupinus albus L. var. albus | | | Lupinus termis Forssk. | Lupinus albus L. var.albus | 22909 | 311743 |
| Lupinus tricolor Greene | Lupinus albifrons Benth. var. albifrons | | | Lupinus tricolor Greene | Lupinus albifrons Benth. var.albifrons | 22910 | 311762 |
| Lupinus varius L. | Lupinus angustifolius L. | | | Lupinus varius L. | Lupinus angustifolius L. | 22911 | 22805 |
| Lupinus attenuatus Gardner | Lupinus coriaceus Benth. | | | Lupinus attenuatus Gardner | Lupinus coriaceus Benth. | 70420 | 313415 |
| Lupinus bracteolaris Desr. | | a | | Lupinus bracteolaris Desr. | | 70421 | |
| Lupinus lanatus Benth. | | a | | Lupinus lanatus Benth. | | 70422 | |
| Lupinus arbustus Douglas ex Lindl. subsp. neolaxiflorus D. B. Dunn | Lupinus arbustus Douglas ex Lindl. | | i | Lupinus arbustus Douglas ex Lindl. subsp. neolaxiflorus D. B. Dunn | Lupinus arbustus Douglas ex Lindl. | 104894 | 22808 |
| Lupinus argenteus Pursh var. depressus (Rydb.) C. L. Hitchc. | | a | i | Lupinus argenteus Pursh var.depressus (Rydb.) C. L. Hitchc. | | 104895 | |
| Lupinus argenteus Pursh var. tenellus (Douglas ex D. Don) D. B. Dunn | Lupinus argenteus Pursh var. argenteus | | i | Lupinus argenteus Pursh var.tenellus (Douglas ex D. Don) D. B. Dunn | Lupinus argenteus Pursh var.argenteus | 104896 | 311764 |
| Lupinus leucophyllus Douglas ex Lindl. var. belliae C. P. Sm. | Lupinus leucophyllus Douglas ex Lindl. | | i | Lupinus leucophyllus Douglas ex Lindl. var.belliae C. P. Sm. | Lupinus leucophyllus Douglas ex Lindl. | 104898 | 22833 |
| Lupinus polyphyllus Lindl. var. burkei (S. Watson) C. L. Hitchc. | | a | i | Lupinus polyphyllus Lindl. var.burkei (S. Watson) C. L. Hitchc. | | 104899 | |
| Lupinus rivularis Douglas ex Lindl. | | a | | Lupinus rivularis Douglas ex Lindl. | | 104901 | |
| Lupinus ruber A. Heller | Lupinus microcarpus Sims var. microcarpus | | | Lupinus ruber A. Heller | Lupinus microcarpus Sims var.microcarpus | 104902 | 401704 |
| Lupinus sericeus Pursh var. egglestonianus auct. | Lupinus sericeus Pursh | | i | Lupinus sericeus Pursh var.egglestonianus auct. | Lupinus sericeus Pursh | 104903 | 22905 |
| Lupinus sericeus Pursh var. flexuosus (Lindl. ex J. Agardh) C. P. Sm. | Lupinus sericeus Pursh | | i | Lupinus sericeus Pursh var.flexuosus (Lindl. ex J. Agardh) C. P. Sm. | Lupinus sericeus Pursh | 104904 | 22905 |
| Lupinus caudatus Kellogg subsp. caudatus | Lupinus argenteus Pursh var. heteranthus (S. Watson) Barneby | | i | Lupinus caudatus Kellogg subsp. caudatus | Lupinus argenteus Pursh var.heteranthus (S. Watson) Barneby | 300326 | 403052 |
| Lupinus hybr. | | a | | Lupinus hybr. | | 300327 | |
| Lupinus leucophyllus Douglas ex Lindl. subsp. leucophyllus | Lupinus leucophyllus Douglas ex Lindl. | | i | Lupinus leucophyllus Douglas ex Lindl. subsp. leucophyllus | Lupinus leucophyllus Douglas ex Lindl. | 300329 | 22833 |
| Lupinus spp. | | a | | Lupinus spp. | | 300335 | |
| Lupinus sulphureus Douglas | | a | | Lupinus sulphureus Douglas | | 310112 | |
| Lupinus pusillus Pursh | | a | | Lupinus pusillus Pursh | | 310113 | |
| Lupinus minimus Douglas | Lupinus lepidus Douglas ex Lindl. var. lepidus | | | Lupinus minimus Douglas | Lupinus lepidus Douglas ex Lindl. var.lepidus | 310114 | 401685 |
| Lupinus holosericeus Nutt. | Lupinus argenteus Pursh var. holosericeus (Nutt.) Barneby | | | Lupinus holosericeus Nutt. | Lupinus argenteus Pursh var.holosericeus (Nutt.) Barneby | 310115 | 403060 |
| Lupinus garfieldensis C. P. Sm. | | a | | Lupinus garfieldensis C. P. Sm. | | 310143 | |
| Lupinus sericeus Pursh var. maximus Fleak & D. B. Dunn | Lupinus sericeus Pursh | | i | Lupinus sericeus Pursh var.maximus Fleak & D. B. Dunn | Lupinus sericeus Pursh | 310154 | 22905 |
| Lupinus multiflorus Desr. | | a | | Lupinus multiflorus Desr. | | 311440 | |
| Lupinus shastensis A. Heller | Lupinus albicaulis Douglas | | | Lupinus shastensis A. Heller | Lupinus albicaulis Douglas | 311742 | 22799 |
| Lupinus albus L. var. albus | | a | i | Lupinus albus L. var.albus | | 311743 | |
| Lupinus albus L. var. graecus (Boiss. & Spruner) Gladst. | | a | i | Lupinus albus L. var.graecus (Boiss. & Spruner) Gladst. | | 311744 | |
| Lupinus hispanicus Boiss. & Reut. subsp. bicolor (Merino) Gladst. | | a | i | Lupinus hispanicus Boiss. & Reut. subsp. bicolor (Merino) Gladst. | | 311745 | |
| Lupinus depressus Rydb. | Lupinus argenteus Pursh var. depressus (Rydb.) C. L. Hitchc. | | | Lupinus depressus Rydb. | Lupinus argenteus Pursh var.depressus (Rydb.) C. L. Hitchc. | 311747 | 104895 |
| Lupinus tenellus Douglas ex G. Don | Lupinus argenteus Pursh var. argenteus | | | Lupinus tenellus Douglas ex G. Don | Lupinus argenteus Pursh var.argenteus | 311748 | 311764 |
| Lupinus burkei S. Watson | Lupinus polyphyllus Lindl. var. burkei (S. Watson) C. L. Hitchc. | | | Lupinus burkei S. Watson | Lupinus polyphyllus Lindl. var.burkei (S. Watson) C. L. Hitchc. | 311749 | 104899 |
| Lupinus albifrons Benth. var. douglasii (J. Agardh) C. P. Sm. | | a | i | Lupinus albifrons Benth. var.douglasii (J. Agardh) C. P. Sm. | | 311753 | |
| Lupinus leucophyllus Douglas ex Lindl. subsp. erectus (L. F. Hend.) Harmon | Lupinus leucophyllus Douglas ex Lindl. | | i | Lupinus leucophyllus Douglas ex Lindl. subsp. erectus (L. F. Hend.) Harmon | Lupinus leucophyllus Douglas ex Lindl. | 311754 | 22833 |
| Lupinus erectus L. F. Hend. | Lupinus leucophyllus Douglas ex Lindl. | | | Lupinus erectus L. F. Hend. | Lupinus leucophyllus Douglas ex Lindl. | 311755 | 22833 |
| Lupinus ehrenbergii Schltdl. | Lupinus mexicanus Cerv. ex Lag. | | | Lupinus ehrenbergii Schltdl. | Lupinus mexicanus Cerv. ex Lag. | 311756 | 313369 |
| Lupinus luteus L. var. bicolor Merino | Lupinus hispanicus Boiss. & Reut. subsp. bicolor (Merino) Gladst. | | i | Lupinus luteus L. var.bicolor Merino | Lupinus hispanicus Boiss. & Reut. subsp. bicolor (Merino) Gladst. | 311757 | 311745 |
| Lupinus wyethii S. Watson | Lupinus polyphyllus Lindl. var. humicola (A. Nelson) Barneby | | | Lupinus wyethii S. Watson | Lupinus polyphyllus Lindl. var.humicola (A. Nelson) Barneby | 311758 | 401677 |
| Lupinus leucophyllus Douglas ex Lindl. var. canescens (Howell) C. P. Sm. | Lupinus leucophyllus Douglas ex Lindl. | | i | Lupinus leucophyllus Douglas ex Lindl. var.canescens (Howell) C. P. Sm. | Lupinus leucophyllus Douglas ex Lindl. | 311759 | 22833 |
| Lupinus canescens Howell | Lupinus leucophyllus Douglas ex Lindl. | | | Lupinus canescens Howell | Lupinus leucophyllus Douglas ex Lindl. | 311760 | 22833 |
| Lupinus albifrons Benth. var. albifrons | | a | i | Lupinus albifrons Benth. var.albifrons | | 311762 | |
| Lupinus argenteus Pursh var. argenteus | | a | i | Lupinus argenteus Pursh var.argenteus | | 311764 | |
| Lupinus hispanicus Boiss. & Reut. subsp. hispanicus | | a | i | Lupinus hispanicus Boiss. & Reut. subsp. hispanicus | | 311765 | |
| Lupinus sericeus Pursh var. sericeus | Lupinus sericeus Pursh | | i | Lupinus sericeus Pursh var.sericeus | Lupinus sericeus Pursh | 311766 | 22905 |
| Lupinus caudatus Kellogg subsp. montigenus (A. Heller) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh var. montigenus (A. Heller) Barneby | | i | Lupinus caudatus Kellogg subsp. montigenus (A. Heller) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh var.montigenus (A. Heller) Barneby | 311767 | 403057 |
| Lupinus prunophilus M. E. Jones | Lupinus polyphyllus Lindl. var. prunophilus (M. E. Jones) L. Ll. Phillips | | | Lupinus prunophilus M. E. Jones | Lupinus polyphyllus Lindl. var.prunophilus (M. E. Jones) L. Ll. Phillips | 311769 | 311770 |
| Lupinus polyphyllus Lindl. var. prunophilus (M. E. Jones) L. Ll. Phillips | | a | i | Lupinus polyphyllus Lindl. var.prunophilus (M. E. Jones) L. Ll. Phillips | | 311770 | |
| Lupinus flexuosus Lindl. ex J. Agardh | Lupinus sericeus Pursh | | | Lupinus flexuosus Lindl. ex J. Agardh | Lupinus sericeus Pursh | 311771 | 22905 |
| Lupinus albifrons Benth. var. eminens (Greene) C. P. Sm. | Lupinus albifrons Benth. var. albifrons | | i | Lupinus albifrons Benth. var.eminens (Greene) C. P. Sm. | Lupinus albifrons Benth. var.albifrons | 311772 | 311762 |
| Lupinus mexicanus Cerv. ex Lag. | | a | | Lupinus mexicanus Cerv. ex Lag. | | 313369 | |
| Lupinus coriaceus Benth. | | a | | Lupinus coriaceus Benth. | | 313415 | |
| Lupinus eminens Greene | Lupinus albifrons Benth. var. albifrons | | | Lupinus eminens Greene | Lupinus albifrons Benth. var.albifrons | 313873 | 311762 |
| Lupinus argenteus Pursh subsp. rubricaulis (Greene) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh var. rubricaulis (Greene) S. L. Welsh | | i | Lupinus argenteus Pursh subsp. rubricaulis (Greene) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh var.rubricaulis (Greene) S. L. Welsh | 313935 | 403050 |
| Lupinus rubricaulis Greene | Lupinus argenteus Pursh var. rubricaulis (Greene) S. L. Welsh | | | Lupinus rubricaulis Greene | Lupinus argenteus Pursh var.rubricaulis (Greene) S. L. Welsh | 313936 | 403050 |
| Lupinus westianus Small | | a | | Lupinus westianus Small | | 315591 | |
| Lupinus westianus Small var. westianus | | a | i | Lupinus westianus Small var.westianus | | 315592 | |
| Lupinus westianus Small var. aridorum (McFarlin ex Beckner) Isely | | a | i | Lupinus westianus Small var.aridorum (McFarlin ex Beckner) Isely | | 315593 | |
| Lupinus aridorum McFarlin ex Beckner | Lupinus westianus Small var. aridorum (McFarlin ex Beckner) Isely | | | Lupinus aridorum McFarlin ex Beckner | Lupinus westianus Small var.aridorum (McFarlin ex Beckner) Isely | 315594 | 315593 |
| Lupinus sparsiflorus Benth. | | a | | Lupinus sparsiflorus Benth. | | 315904 | |
| Lupinus arizonicus (S. Watson) S. Watson | | a | | Lupinus arizonicus (S. Watson) S. Watson | | 315905 | |
| Lupinus concinnus J. Agardh var. arizonicus S. Watson | Lupinus arizonicus (S. Watson) S. Watson | | i | Lupinus concinnus J. Agardh var.arizonicus S. Watson | Lupinus arizonicus (S. Watson) S. Watson | 315906 | 315905 |
| Lupinus palmeri S. Watson | Lupinus argenteus Pursh var. palmeri (S. Watson) Barneby | | | Lupinus palmeri S. Watson | Lupinus argenteus Pursh var.palmeri (S. Watson) Barneby | 315907 | 403061 |
| Lupinus texensis Hook. | | a | | Lupinus texensis Hook. | | 315908 | |
| Lupinus arcticus S. Watson | | a | | Lupinus arcticus S. Watson | | 316735 | |
| Lupinus densiflorus Benth. var. aureus (Kellogg) Munz | Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | i | Lupinus densiflorus Benth. var.aureus (Kellogg) Munz | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | 316736 | 401705 |
| Lupinus digitatus Forssk. | | a | | Lupinus digitatus Forssk. | | 318485 | |
| Lupinus tidestromii Greene | | a | | Lupinus tidestromii Greene | | 320027 | |
| Lupinus citrinus Kellogg | | a | | Lupinus citrinus Kellogg | | 320228 | |
| Lupinus biddlei L. F. Hend. ex C. P. Sm. | Lupinus polyphyllus Lindl. var. prunophilus (M. E. Jones) L. Ll. Phillips | | | Lupinus biddlei L. F. Hend. ex C. P. Sm. | Lupinus polyphyllus Lindl. var.prunophilus (M. E. Jones) L. Ll. Phillips | 400638 | 311770 |
| Lupinus polyphyllus Lindl. var. polyphyllus | | a | i | Lupinus polyphyllus Lindl. var.polyphyllus | | 401676 | |
| Lupinus polyphyllus Lindl. var. humicola (A. Nelson) Barneby | | a | i | Lupinus polyphyllus Lindl. var.humicola (A. Nelson) Barneby | | 401677 | |
| Lupinus lepidus Douglas ex Lindl. var. lepidus | | a | i | Lupinus lepidus Douglas ex Lindl. var.lepidus | | 401685 | |
| Lupinus lepidus Douglas ex Lindl. var. lobbii (A. Gray ex S. Watson) C. L. Hitchc. | | a | i | Lupinus lepidus Douglas ex Lindl. var.lobbii (A. Gray ex S. Watson) C. L. Hitchc. | | 401686 | |
| Lupinus lepidus Douglas ex Lindl. var. utahensis (S. Watson) C. L. Hitchc. | | a | i | Lupinus lepidus Douglas ex Lindl. var.utahensis (S. Watson) C. L. Hitchc. | | 401688 | |
| Lupinus lepidus Douglas ex Lindl. var. aridus (Douglas) Jeps. | | a | i | Lupinus lepidus Douglas ex Lindl. var.aridus (Douglas) Jeps. | | 401689 | |
| Lupinus aridus Douglas var. lobbii A. Gray ex S. Watson | Lupinus lepidus Douglas ex Lindl. var. lobbii (A. Gray ex S. Watson) C. L. Hitchc. | | i | Lupinus aridus Douglas var.lobbii A. Gray ex S. Watson | Lupinus lepidus Douglas ex Lindl. var.lobbii (A. Gray ex S. Watson) C. L. Hitchc. | 401690 | 401686 |
| Lupinus aridus Douglas var. utahensis S. Watson | Lupinus lepidus Douglas ex Lindl. var. utahensis (S. Watson) C. L. Hitchc. | | i | Lupinus aridus Douglas var.utahensis S. Watson | Lupinus lepidus Douglas ex Lindl. var.utahensis (S. Watson) C. L. Hitchc. | 401691 | 401688 |
| Lupinus microcarpus Sims var. microcarpus | | a | i | Lupinus microcarpus Sims var.microcarpus | | 401704 | |
| Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | a | i | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | | 401705 | |
| Lupinus menziesii J. Agardh var. aureus Kellogg | Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | i | Lupinus menziesii J. Agardh var.aureus Kellogg | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | 401707 | 401705 |
| Lupinus densiflorus Benth. | Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | | Lupinus densiflorus Benth. | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | 401709 | 401705 |
| Lupinus villosus Willd. | | a | | Lupinus villosus Willd. | | 402326 | |
| Lupinus argenteus Pursh var. rubricaulis (Greene) S. L. Welsh | | a | i | Lupinus argenteus Pursh var.rubricaulis (Greene) S. L. Welsh | | 403050 | |
| Lupinus argenteus Pursh var. heteranthus (S. Watson) Barneby | | a | i | Lupinus argenteus Pursh var.heteranthus (S. Watson) Barneby | | 403052 | |
| Lupinus meionanthus A. Gray var. heteranthus S. Watson | Lupinus argenteus Pursh var. heteranthus (S. Watson) Barneby | | i | Lupinus meionanthus A. Gray var.heteranthus S. Watson | Lupinus argenteus Pursh var.heteranthus (S. Watson) Barneby | 403053 | 403052 |
| Lupinus argenteus Pursh var. montigenus (A. Heller) Barneby | | a | i | Lupinus argenteus Pursh var.montigenus (A. Heller) Barneby | | 403057 | |
| Lupinus argenteus Pursh var. holosericeus (Nutt.) Barneby | | a | i | Lupinus argenteus Pursh var.holosericeus (Nutt.) Barneby | | 403060 | |
| Lupinus argenteus Pursh var. palmeri (S. Watson) Barneby | | a | i | Lupinus argenteus Pursh var.palmeri (S. Watson) Barneby | | 403061 | |
| Lupinus variicolor Steud. | | a | | Lupinus variicolor Steud. | | 403861 | |
| Lupinus anatolicus W. Swiecicki & W. K. Swiecicki | | a | | Lupinus anatolicus W. Swiecicki & W. K. Swiecicki | | 405241 | |
| Lupinus argenteus Pursh subsp. spathulatus (Rydb.) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh var. argentatus (Rydb.) Barneby | | i | Lupinus argenteus Pursh subsp. spathulatus (Rydb.) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh var.argentatus (Rydb.) Barneby | 405984 | 410269 |
| Lupinus caudatus Kellogg subsp. cutleri (Eastw.) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh | | i | Lupinus caudatus Kellogg subsp. cutleri (Eastw.) L. W. Hess & D. B. Dunn | Lupinus argenteus Pursh | 405986 | 22809 |
| Lupinus concinnus J. Agardh subsp. orcuttii (S. Watson) D. B. Dunn | | a | i | Lupinus concinnus J. Agardh subsp. orcuttii (S. Watson) D. B. Dunn | | 405987 | |
| Lupinus fulcratus Greene | | a | | Lupinus fulcratus Greene | | 405988 | |
| Lupinus parviflorus Nutt. ex Hook. & Arn. subsp. myrianthus (Greene) Harmon var. myrianthus Harmon | | a | i | Lupinus parviflorus Nutt. ex Hook. & Arn. subsp. myrianthus (Greene) Harmon var.myrianthus Harmon | | 405989 | |
| Lupinus sparsiflorus Benth. subsp. mohavensis Dziekanowski & D. B. Dunn | Lupinus sparsiflorus Benth. | | i | Lupinus sparsiflorus Benth. subsp. mohavensis Dziekanowski & D. B. Dunn | Lupinus sparsiflorus Benth. | 405990 | 315904 |
| Lupinus arizonicus (S. Watson) S. Watson subsp. sonorensis J. A. Christian & D. B. Dunn | | a | i | Lupinus arizonicus (S. Watson) S. Watson subsp. sonorensis J. A. Christian & D. B. Dunn | | 406283 | |
| Lupinus caudatus Kellogg subsp. argophyllus L. Ll. Phillips | Lupinus argenteus Pursh var. argophyllus (A. Gray) S. Watson | | i | Lupinus caudatus Kellogg subsp. argophyllus L. Ll. Phillips | Lupinus argenteus Pursh var.argophyllus (A. Gray) S. Watson | 406284 | 410268 |
| Lupinus diffusus Nutt. | | a | | Lupinus diffusus Nutt. | | 406286 | |
| Lupinus formosus Greene | | a | | Lupinus formosus Greene | | 406287 | |
| Lupinus havardii S. Watson | | a | | Lupinus havardii S. Watson | | 406288 | |
| Lupinus neomexicanus Greene | | a | | Lupinus neomexicanus Greene | | 406289 | |
| Lupinus shockleyi S. Watson | | a | | Lupinus shockleyi S. Watson | | 406290 | |
| Lupinus polyphyllus Lindl. var. grandifolius Lindl. ex J. Agardh | Lupinus polyphyllus Lindl. var. polyphyllus | | i | Lupinus polyphyllus Lindl. var.grandifolius Lindl. ex J. Agardh | Lupinus polyphyllus Lindl. var.polyphyllus | 407711 | 401676 |
| Lupinus polyphyllus Lindl. var. pallidipes (A. Heller) C. P. Sm. | | a | i | Lupinus polyphyllus Lindl. var.pallidipes (A. Heller) C. P. Sm. | | 407712 | |
| Lupinus angustifolius L. subsp. reticulatus (Desv.) Arcang. | | a | i | Lupinus angustifolius L. subsp. reticulatus (Desv.) Arcang. | | 407714 | |
| Lupinus angustifolius L. subsp. angustifolius | | a | i | Lupinus angustifolius L. subsp. angustifolius | | 407717 | |
| Lupinus polyphyllus Lindl. var. albiflorus Lindl. | Lupinus polyphyllus Lindl. | | i | Lupinus polyphyllus Lindl. var.albiflorus Lindl. | Lupinus polyphyllus Lindl. | 407721 | 22855 |
| Lupinus argenteus Pursh var. argophyllus (A. Gray) S. Watson | | a | i | Lupinus argenteus Pursh var.argophyllus (A. Gray) S. Watson | | 410268 | |
| Lupinus argenteus Pursh var. argentatus (Rydb.) Barneby | | a | i | Lupinus argenteus Pursh var.argentatus (Rydb.) Barneby | | 410269 | |
| Lupinus spathulatus Rydb. | Lupinus argenteus Pursh var. argentatus (Rydb.) Barneby | | | Lupinus spathulatus Rydb. | Lupinus argenteus Pursh var.argentatus (Rydb.) Barneby | 410270 | 410269 |
| Lupinus cyaneus Rydb. | Lupinus leucophyllus Douglas ex Lindl. | | | Lupinus cyaneus Rydb. | Lupinus leucophyllus Douglas ex Lindl. | 410271 | 22833 |
| Lupinus cumulicola Small | Lupinus diffusus Nutt. | | | Lupinus cumulicola Small | Lupinus diffusus Nutt. | 410272 | 406286 |
| Lupinus onustus S. Watson | | a | | Lupinus onustus S. Watson | | 410273 | |
| Lupinus laxiflorus auct. | Lupinus arbustus Douglas ex Lindl. | | | Lupinus laxiflorus auct. | Lupinus arbustus Douglas ex Lindl. | 410275 | 22808 |
| Lupinus greenei A. Nelson | Lupinus argenteus Pursh var. heteranthus (S. Watson) Barneby | | | Lupinus greenei A. Nelson | Lupinus argenteus Pursh var.heteranthus (S. Watson) Barneby | 410276 | 403052 |
| Lupinus plattensis S. Watson | | a | | Lupinus plattensis S. Watson | | 411250 | |
| Lupinus campestris Schltdl. & Cham. | | a | | Lupinus campestris Schltdl. & Cham. | | 412860 | |
| Lupinus truncatus Nutt. ex Hook. & Arn. | | a | | Lupinus truncatus Nutt. ex Hook. & Arn. | | 413351 | |
| Lupinus arcticus S. Watson subsp. arcticus | | a | i | Lupinus arcticus S. Watson subsp. arcticus | | 413637 | |
| Lupinus arcticus S. Watson subsp. subalpinus (Piper & B. L. Rob.) D. B. Dunn | | a | i | Lupinus arcticus S. Watson subsp. subalpinus (Piper & B. L. Rob.) D. B. Dunn | | 413640 | |
| Lupinus subalpinus Piper & B. L. Rob. | Lupinus arcticus S. Watson subsp. subalpinus (Piper & B. L. Rob.) D. B. Dunn | | | Lupinus subalpinus Piper & B. L. Rob. | Lupinus arcticus S. Watson subsp. subalpinus (Piper & B. L. Rob.) D. B. Dunn | 413642 | 413640 |
| Lupinus antoninus Eastw. | | a | | Lupinus antoninus Eastw. | | 414767 | |
| Lupinus argenteus Pursh var. fulvomaculatus (Payson) Barneby | | a | i | Lupinus argenteus Pursh var.fulvomaculatus (Payson) Barneby | | 414768 | |
| Lupinus argenteus Pursh subsp. ingratus (Greene) Harmon | Lupinus argenteus Pursh var. fulvomaculatus (Payson) Barneby | | i | Lupinus argenteus Pursh subsp. ingratus (Greene) Harmon | Lupinus argenteus Pursh var.fulvomaculatus (Payson) Barneby | 414769 | 414768 |
| Lupinus ingratus Greene | Lupinus argenteus Pursh var. fulvomaculatus (Payson) Barneby | | | Lupinus ingratus Greene | Lupinus argenteus Pursh var.fulvomaculatus (Payson) Barneby | 414770 | 414768 |
| Lupinus bicolor Lindl. subsp. tridentatus (Eastw. ex C. P. Sm.) D. B. Dunn | Lupinus bicolor Lindl. | | i | Lupinus bicolor Lindl. subsp. tridentatus (Eastw. ex C. P. Sm.) D. B. Dunn | Lupinus bicolor Lindl. | 414785 | 22812 |
| Lupinus brevicaulis S. Watson | | a | | Lupinus brevicaulis S. Watson | | 414786 | |
| Lupinus covillei Greene | | a | | Lupinus covillei Greene | | 414787 | |
| Lupinus polyphyllus Lindl. subsp. bernardinus (Abrams ex C. P. Sm.) Munz | Lupinus polyphyllus Lindl. var. burkei (S. Watson) C. L. Hitchc. | | i | Lupinus polyphyllus Lindl. subsp. bernardinus (Abrams ex C. P. Sm.) Munz | Lupinus polyphyllus Lindl. var.burkei (S. Watson) C. L. Hitchc. | 414788 | 104899 |
| Lupinus varius auct. | Lupinus cosentinii Guss. | | | Lupinus varius auct. | Lupinus cosentinii Guss. | 416512 | 22816 |
| Lupinus bogotensis Benth. | | a | | Lupinus bogotensis Benth. | | 416617 | |
| Lupinus alopecuroides Desr. | | a | | Lupinus alopecuroides Desr. | | 416618 | |
| Lupinus benthamii A. Heller | | a | | Lupinus benthamii A. Heller | | 418342 | |
| Lupinus ballianus C. P. Sm. | | a | | Lupinus ballianus C. P. Sm. | | 418615 | |
| Lupinus breviscapus Ulbr. | | a | | Lupinus breviscapus Ulbr. | | 418616 | |
| Lupinus celsimontanus C. P. Sm. | | a | | Lupinus celsimontanus C. P. Sm. | | 418617 | |
| Lupinus subacaulis Griseb. | | a | | Lupinus subacaulis Griseb. | | 418618 | |
| Lupinus chilensis C. P. Sm. | Lupinus subacaulis Griseb. | | | Lupinus chilensis C. P. Sm. | Lupinus subacaulis Griseb. | 418619 | 418618 |
| Lupinus buchtienii Rusby | | a | | Lupinus buchtienii Rusby | | 418620 | |
| Lupinus chlorolepis C. P. Sm. | | a | | Lupinus chlorolepis C. P. Sm. | | 418621 | |
| Lupinus conicus C. P. Sm. | | a | | Lupinus conicus C. P. Sm. | | 418622 | |
| Lupinus eriocladus Ulbr. | | a | | Lupinus eriocladus Ulbr. | | 418623 | |
| Lupinus microphyllus Desr. | | a | | Lupinus microphyllus Desr. | | 418624 | |
| Lupinus montanus Kunth | | a | | Lupinus montanus Kunth | | 418625 | |
| Lupinus pasachoensis C. P. Sm. | | a | | Lupinus pasachoensis C. P. Sm. | | 418626 | |
| Lupinus pulvinaris Ulbr. | | a | | Lupinus pulvinaris Ulbr. | | 418627 | |
| Lupinus ramosissimus Benth. | | a | | Lupinus ramosissimus Benth. | | 418628 | |
| Lupinus saxatilis Ulbr. | | a | | Lupinus saxatilis Ulbr. | | 418629 | |
| Lupinus altimontanus C. P. Sm. | | a | | Lupinus altimontanus C. P. Sm. | | 418630 | |
| Lupinus antiplani C. P. Sm. | | a | | Lupinus antiplani C. P. Sm. | | 418631 | |
| Lupinus bandelierae C. P. Sm. | | a | | Lupinus bandelierae C. P. Sm. | | 418632 | |
| Lupinus bangii Rusby | | a | | Lupinus bangii Rusby | | 418633 | |
| Lupinus bolivianus C. P. Sm. | | a | | Lupinus bolivianus C. P. Sm. | | 418634 | |
| Lupinus cuspidatus Rusby | | a | | Lupinus cuspidatus Rusby | | 418635 | |
| Lupinus fiebrigianus Ulbr. | | a | | Lupinus fiebrigianus Ulbr. | | 418636 | |
| Lupinus guggenheimianus Rusby | | a | | Lupinus guggenheimianus Rusby | | 418637 | |
| Lupinus herzogii Ulbr. | | a | | Lupinus herzogii Ulbr. | | 418638 | |
| Lupinus humifusus Sessé & Moc. ex G. Don | | a | | Lupinus humifusus Sessé & Moc. ex G. Don | | 418639 | |
| Lupinus imminutus C. P. Sm. | | a | | Lupinus imminutus C. P. Sm. | | 418640 | |
| Lupinus macrostachys Rusby | Lupinus bolivianus C. P. Sm. | | | Lupinus macrostachys Rusby | Lupinus bolivianus C. P. Sm. | 418641 | 418634 |
| Lupinus perissophytus C. P. Sm. | | a | | Lupinus perissophytus C. P. Sm. | | 418642 | |
| Lupinus purosericeus C. P. Sm. | | a | | Lupinus purosericeus C. P. Sm. | | 418643 | |
| Lupinus pycnostachys C. P. Sm. | | a | | Lupinus pycnostachys C. P. Sm. | | 418644 | |
| Lupinus rusbyanus C. P. Sm. | | a | | Lupinus rusbyanus C. P. Sm. | | 418645 | |
| Lupinus soratensis Rusby | | a | | Lupinus soratensis Rusby | | 418646 | |
| Lupinus tarijensis Ulbr. | | a | | Lupinus tarijensis Ulbr. | | 418647 | |
| Lupinus tominensis Wedd. | | a | | Lupinus tominensis Wedd. | | 418648 | |
| Lupinus williamsianus C. P. Sm. | | a | | Lupinus williamsianus C. P. Sm. | | 418649 | |
| Lupinus concinnus J. Agardh subsp. concinnus | | a | i | Lupinus concinnus J. Agardh subsp. concinnus | | 418840 | |
| Lupinus orcuttii S. Watson | Lupinus concinnus J. Agardh subsp. orcuttii (S. Watson) D. B. Dunn | | | Lupinus orcuttii S. Watson | Lupinus concinnus J. Agardh subsp. orcuttii (S. Watson) D. B. Dunn | 418841 | 405987 |
| Lupinus ananeanus Ulbr. | | a | | Lupinus ananeanus Ulbr. | | 436665 | |
| Lupinus angustiflorus Eastw. | | a | | Lupinus angustiflorus Eastw. | | 436666 | |
| Lupinus breweri A. Gray | | a | | Lupinus breweri A. Gray | | 436667 | |
| Lupinus chamissonis Eschsch. | | a | | Lupinus chamissonis Eschsch. | | 436668 | |
| Lupinus exaltatus Zucc. | | a | | Lupinus exaltatus Zucc. | | 436669 | |
| Lupinus flavoculatus A. Heller | | a | | Lupinus flavoculatus A. Heller | | 436670 | |
| Lupinus grayi (S. Watson) S. Watson | | a | | Lupinus grayi (S. Watson) S. Watson | | 436671 | |
| Lupinus heptaphyllus (Vell.) Hassl. | Crotalaria spp. | | | Lupinus heptaphyllus (Vell.) Hassl. | Crotalaria spp. | 436672 | 300155 |
| Lupinus kingii S. Watson | | a | | Lupinus kingii S. Watson | | 436673 | |
| Lupinus meridanus Moritz ex C. P. Sm. | | a | | Lupinus meridanus Moritz ex C. P. Sm. | | 436674 | |
| Lupinus sabulosus A. Heller | Lupinus bicolor Lindl. subsp. umbellatus (Greene) D. B. Dunn | | | Lupinus sabulosus A. Heller | Lupinus bicolor Lindl. subsp. umbellatus (Greene) D. B. Dunn | 436675 | 437321 |
| Lupinus spectabilis Hoover | | a | | Lupinus spectabilis Hoover | | 436676 | |
| Lupinus vallicola A. Heller | Lupinus nanus Douglas ex Benth. | | | Lupinus vallicola A. Heller | Lupinus nanus Douglas ex Benth. | 436678 | 22845 |
| Lupinus bicolor Lindl. subsp. microphyllus (S. Watson) D. B. Dunn | | a | i | Lupinus bicolor Lindl. subsp. microphyllus (S. Watson) D. B. Dunn | | 437319 | |
| Lupinus bicolor Lindl. subsp. pipersmithii (A. Heller) D. B. Dunn | | a | i | Lupinus bicolor Lindl. subsp. pipersmithii (A. Heller) D. B. Dunn | | 437320 | |
| Lupinus bicolor Lindl. subsp. umbellatus (Greene) D. B. Dunn | | a | i | Lupinus bicolor Lindl. subsp. umbellatus (Greene) D. B. Dunn | | 437321 | |
| Lupinus latifolius J. Agardh subsp. latifolius | Lupinus latifolius J. Agardh | | i | Lupinus latifolius J. Agardh subsp. latifolius | Lupinus latifolius J. Agardh | 437322 | 22829 |
| Lupinus pusillus Pursh subsp. intermontanus (A. Heller) D. B. Dunn | | a | i | Lupinus pusillus Pursh subsp. intermontanus (A. Heller) D. B. Dunn | | 437323 | |
| Lupinus vallicola A. Heller subsp. apricus (Greene) D. B. Dunn | Lupinus nanus Douglas ex Benth. | | i | Lupinus vallicola A. Heller subsp. apricus (Greene) D. B. Dunn | Lupinus nanus Douglas ex Benth. | 437324 | 22845 |
| Lupinus lepidus Douglas ex Lindl. var. confertus (Kellogg) C. P. Sm. | | a | i | Lupinus lepidus Douglas ex Lindl. var.confertus (Kellogg) C. P. Sm. | | 437495 | |
| Lupinus lepidus Douglas ex Lindl. var. sellulus (Kellogg) Barneby | | a | i | Lupinus lepidus Douglas ex Lindl. var.sellulus (Kellogg) Barneby | | 437496 | |
| Lupinus perennis L. var. occidentalis S. Watson | | a | i | Lupinus perennis L. var.occidentalis S. Watson | | 437497 | |
| Lupinus californicus hort. | Lupinus arboreus Sims | | | Lupinus californicus hort. | Lupinus arboreus Sims | 437786 | 22807 |
| Lupinus confertus Kellogg | Lupinus lepidus Douglas ex Lindl. var. confertus (Kellogg) C. P. Sm. | | | Lupinus confertus Kellogg | Lupinus lepidus Douglas ex Lindl. var.confertus (Kellogg) C. P. Sm. | 437787 | 437495 |
| Lupinus sellulus Kellogg | Lupinus lepidus Douglas ex Lindl. var. sellulus (Kellogg) Barneby | | | Lupinus sellulus Kellogg | Lupinus lepidus Douglas ex Lindl. var.sellulus (Kellogg) Barneby | 437788 | 437496 |
| Lupinus sellulus Kellogg var. lobbii (A. Gray ex S. Watson) B. J. Cox | Lupinus lepidus Douglas ex Lindl. var. lobbii (A. Gray ex S. Watson) C. L. Hitchc. | | i | Lupinus sellulus Kellogg var.lobbii (A. Gray ex S. Watson) B. J. Cox | Lupinus lepidus Douglas ex Lindl. var.lobbii (A. Gray ex S. Watson) C. L. Hitchc. | 438112 | 401686 |
| Lupinus rivularis Douglas ex Lindl. var. latifolius (J. Agardh) S. Watson | Lupinus latifolius J. Agardh | | i | Lupinus rivularis Douglas ex Lindl. var.latifolius (J. Agardh) S. Watson | Lupinus latifolius J. Agardh | 438698 | 22829 |
| Lupinus nipomensis Eastw. | | a | | Lupinus nipomensis Eastw. | | 444524 | |
| Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | | a | i | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | | 444533 | |
| Lupinus sulphureus Douglas subsp. sulphureus | | a | i | Lupinus sulphureus Douglas subsp. sulphureus | | 444534 | |
| Lupinus sulphureus Douglas subsp. subsaccatus (Suksd.) L. Ll. Phillips | | a | i | Lupinus sulphureus Douglas subsp. subsaccatus (Suksd.) L. Ll. Phillips | | 444535 | |
| Lupinus bingenensis Suksd. var. subsaccatus Suksd. | Lupinus sulphureus Douglas subsp. subsaccatus (Suksd.) L. Ll. Phillips | | i | Lupinus bingenensis Suksd. var.subsaccatus Suksd. | Lupinus sulphureus Douglas subsp. subsaccatus (Suksd.) L. Ll. Phillips | 444536 | 444535 |
| Lupinus oreganus A. Heller var. kincaidii C. P. Sm. | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | | i | Lupinus oreganus A. Heller var.kincaidii C. P. Sm. | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | 444537 | 444533 |
| Lupinus excubitus M. E. Jones | | a | | Lupinus excubitus M. E. Jones | | 448200 | |
| Lupinus argenteus Pursh var. hillii (Greene) Barneby | | a | i | Lupinus argenteus Pursh var.hillii (Greene) Barneby | | 453421 | |
| Lupinus hillii Greene | Lupinus argenteus Pursh var. hillii (Greene) Barneby | | | Lupinus hillii Greene | Lupinus argenteus Pursh var.hillii (Greene) Barneby | 453422 | 453421 |
| Lupinus subvexus C. P. Sm. | Lupinus microcarpus Sims var. microcarpus | | | Lupinus subvexus C. P. Sm. | Lupinus microcarpus Sims var.microcarpus | 460309 | 401704 |
| Lupinus oreganus A. Heller | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | | | Lupinus oreganus A. Heller | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | 462383 | 444533 |
| Lupinus ×regalis Bergmans | | a | | Lupinus regalis Bergmans | | 462878 | |
| Lupinus polyphyllus Lindl. var. ammophilus (Greene) Barneby | Lupinus ammophilus Greene var. ammophilus | | i | Lupinus polyphyllus Lindl. var.ammophilus (Greene) Barneby | Lupinus ammophilus Greene var.ammophilus | 464782 | 464786 |
| Lupinus ammophilus Greene | | a | | Lupinus ammophilus Greene | | 464785 | |
| Lupinus ammophilus Greene var. ammophilus | | a | i | Lupinus ammophilus Greene var.ammophilus | | 464786 | |
| Lupinus ammophilus Greene var. crassus (Payson) Isely | | a | i | Lupinus ammophilus Greene var.crassus (Payson) Isely | | 464787 | |
| Lupinus crassus Payson | Lupinus ammophilus Greene var. crassus (Payson) Isely | | | Lupinus crassus Payson | Lupinus ammophilus Greene var.crassus (Payson) Isely | 464788 | 464787 |
| Lupinus piurensis C. P. Sm. | | a | | Lupinus piurensis C. P. Sm. | | 465451 | |
| Lupinus mollendoensis Ulbr. | | a | | Lupinus mollendoensis Ulbr. | | 465455 | |
| Lupinus albescens Hook. & Arn. | | a | | Lupinus albescens Hook. & Arn. | | 465762 | |
| Lupinus solanagrorum C. P. Sm. | | a | | Lupinus solanagrorum C. P. Sm. | | 465763 | |
| Lupinus tomentosus DC. | | a | | Lupinus tomentosus DC. | | 465764 | |
| Lupinus semperflorens Hartw. ex Benth. | | a | | Lupinus semperflorens Hartw. ex Benth. | | 465765 | |
| Lupinus mantaroensis C. P. Sm. | | a | | Lupinus mantaroensis C. P. Sm. | | 465768 | |
| Lupinus arvensis Benth. | | a | | Lupinus arvensis Benth. | | 465770 | |
| Lupinus lindleyanus J. Agardh | | a | | Lupinus lindleyanus J. Agardh | | 465771 | |
| Lupinus chachas Ochoa ex C. P. Sm. | | a | | Lupinus chachas Ochoa ex C. P. Sm. | | 465772 | |
| Lupinus praestabilis C. P. Sm. | | a | | Lupinus praestabilis C. P. Sm. | | 465773 | |
| Lupinus prostratus J. Agardh | | a | | Lupinus prostratus J. Agardh | | 465774 | |
| Lupinus misticola Ulbr. | | a | | Lupinus misticola Ulbr. | | 465775 | |
| Lupinus chrysanthus Ulbr. | | a | | Lupinus chrysanthus Ulbr. | | 465776 | |
| Lupinus huigrensis Rose ex C. P. Sm. | | a | | Lupinus huigrensis Rose ex C. P. Sm. | | 465777 | |
| Lupinus huaronensis J. F. Macbr. | | a | | Lupinus huaronensis J. F. Macbr. | | 465778 | |
| Lupinus sarmentosus Desr. | | a | | Lupinus sarmentosus Desr. | | 465782 | |
| Lupinus nubigenus Kunth | | a | | Lupinus nubigenus Kunth | | 465783 | |
| Lupinus tarapacensis C. P. Sm. | | a | | Lupinus tarapacensis C. P. Sm. | | 465784 | |
| Lupinus ellsworthianus C. P. Sm. | | a | | Lupinus ellsworthianus C. P. Sm. | | 465785 | |
| Lupinus weberbaueri Ulbr. | | a | | Lupinus weberbaueri Ulbr. | | 465786 | |
| Lupinus smithianus Kunth | | a | | Lupinus smithianus Kunth | | 465787 | |
| Lupinus carazensis Ulbr. | | a | | Lupinus carazensis Ulbr. | | 465788 | |
| Lupinus hornemannii J. Agardh | | a | | Lupinus hornemannii J. Agardh | | 465789 | |
| Lupinus matucanicus Ulbr. | | a | | Lupinus matucanicus Ulbr. | | 465791 | |
| Lupinus peruvianus Ulbr. | | a | | Lupinus peruvianus Ulbr. | | 465792 | |
| Lupinus huachucanus M. E. Jones | | a | | Lupinus huachucanus M. E. Jones | | 465793 | |
| Lupinus pickeringii A. Gray | | a | | Lupinus pickeringii A. Gray | | 465794 | |
| Lupinus pinguis Ulbr. | | a | | Lupinus pinguis Ulbr. | | 465795 | |
| Lupinus pipersmithianus J. F. Macbr. | | a | | Lupinus pipersmithianus J. F. Macbr. | | 465796 | |
| Lupinus romasanus Ulbr. | | a | | Lupinus romasanus Ulbr. | | 465797 | |
| Lupinus rupestris Kunth | | a | | Lupinus rupestris Kunth | | 465798 | |
| Lupinus revolutus C. P. Sm. | | a | | Lupinus revolutus C. P. Sm. | | 465799 | |
| Lupinus tauris Benth. | | a | | Lupinus tauris Benth. | | 465800 | |
| Lupinus foliolosus Benth. | | a | | Lupinus foliolosus Benth. | | 465801 | |
| Lupinus paynei Davidson | | a | | Lupinus paynei Davidson | | 465803 | |
| Lupinus argenteus Pursh var. laxiflorus (Douglas ex Lindl.) Dorn | Lupinus argenteus Pursh var. argentatus (Rydb.) Barneby | | i | Lupinus argenteus Pursh var.laxiflorus (Douglas ex Lindl.) Dorn | Lupinus argenteus Pursh var.argentatus (Rydb.) Barneby | 467540 | 410269 |
| Lupinus fieldii Rose ex J. F. Macbr. | | a | | Lupinus fieldii Rose ex J. F. Macbr. | | 477526 | |
| Lupinus boyacensis C. P. Sm. | | a | | Lupinus boyacensis C. P. Sm. | | 477527 | |
| Lupinus interruptus Benth. | | a | | Lupinus interruptus Benth. | | 477529 | |
| Lupinus jamesonianus C. P. Sm. | | a | | Lupinus jamesonianus C. P. Sm. | | 477530 | |
| Lupinus otto-buchtienii C. P. Sm. | | a | | Lupinus otto-buchtienii C. P. Sm. | | 477531 | |
| Lupinus chocontensis C. P. Sm. | | a | | Lupinus chocontensis C. P. Sm. | | 477533 | |
| Lupinus monserratensis C. P. Sm. | | a | | Lupinus monserratensis C. P. Sm. | | 477534 | |
| Lupinus luteus L. subsp. orientalis Kazim. & E. M. Kazim. | Lupinus luteus L. | | i | Lupinus luteus L. subsp. orientalis Kazim. & E. M. Kazim. | Lupinus luteus L. | 479348 | 22838 |
| Lupinus somaliensis Baker | | a | | Lupinus somaliensis Baker | | 479353 | |
| Lupinus constancei T. W. Nelson & J. P. Nelson | | a | | Lupinus constancei T. W. Nelson & J. P. Nelson | | 480436 | |
| Lupinus subvexus C. P. Sm. var. transmontanus C. P. Sm. | Lupinus microcarpus Sims var. microcarpus | | i | Lupinus subvexus C. P. Sm. var.transmontanus C. P. Sm. | Lupinus microcarpus Sims var.microcarpus | 480947 | 401704 |
| Lupinus subvexus C. P. Sm. var. subvexus | Lupinus microcarpus Sims var. microcarpus | | i | Lupinus subvexus C. P. Sm. var.subvexus | Lupinus microcarpus Sims var.microcarpus | 480948 | 401704 |
| Lupinus apricus Greene | Lupinus nanus Douglas ex Benth. | | | Lupinus apricus Greene | Lupinus nanus Douglas ex Benth. | 481165 | 22845 |
| Lupinus vallicola A. Heller subsp. vallicola | Lupinus nanus Douglas ex Benth. | | i | Lupinus vallicola A. Heller subsp. vallicola | Lupinus nanus Douglas ex Benth. | 481166 | 22845 |
| Lupinus micranthus Douglas ex Lindl. var. microphyllus S. Watson | Lupinus bicolor Lindl. subsp. microphyllus (S. Watson) D. B. Dunn | | i | Lupinus micranthus Douglas ex Lindl. var.microphyllus S. Watson | Lupinus bicolor Lindl. subsp. microphyllus (S. Watson) D. B. Dunn | 481252 | 437319 |
| Lupinus pipersmithii A. Heller | Lupinus bicolor Lindl. subsp. pipersmithii (A. Heller) D. B. Dunn | | | Lupinus pipersmithii A. Heller | Lupinus bicolor Lindl. subsp. pipersmithii (A. Heller) D. B. Dunn | 481254 | 437320 |
| Lupinus umbellatus Greene | Lupinus bicolor Lindl. subsp. umbellatus (Greene) D. B. Dunn | | | Lupinus umbellatus Greene | Lupinus bicolor Lindl. subsp. umbellatus (Greene) D. B. Dunn | 481255 | 437321 |
| Lupinus intermontanus A. Heller | Lupinus pusillus Pursh subsp. intermontanus (A. Heller) D. B. Dunn | | | Lupinus intermontanus A. Heller | Lupinus pusillus Pursh subsp. intermontanus (A. Heller) D. B. Dunn | 481259 | 437323 |
| Lupinus latifolius J. Agardh var. thompsonianus (C. P. Sm.) C. L. Hitchc. | | a | i | Lupinus latifolius J. Agardh var.thompsonianus (C. P. Sm.) C. L. Hitchc. | | 482980 | |
| Lupinus latifolius J. Agardh var. latifolius | | a | i | Lupinus latifolius J. Agardh var.latifolius | | 482981 | |
| Lupinus sericeus Pursh var. thompsonianus C. P. Sm. | Lupinus latifolius J. Agardh var. thompsonianus (C. P. Sm.) C. L. Hitchc. | | i | Lupinus sericeus Pursh var.thompsonianus C. P. Sm. | Lupinus latifolius J. Agardh var.thompsonianus (C. P. Sm.) C. L. Hitchc. | 482982 | 482980 |
| Lupinus bakeri Greene | Lupinus sericeus Pursh | | | Lupinus bakeri Greene | Lupinus sericeus Pursh | 482983 | 22905 |
| Lupinus parviflorus Nutt. ex Hook. & Arn. subsp. parviflorus | | a | i | Lupinus parviflorus Nutt. ex Hook. & Arn. subsp. parviflorus | | 483155 | |
| Lupinus parviflorus Nutt. ex Hook. & Arn. | | a | | Lupinus parviflorus Nutt. ex Hook. & Arn. | | 483156 | |
| Lupinus aridus Douglas var. aridus | Lupinus lepidus Douglas ex Lindl. var. aridus (Douglas) Jeps. | | i | Lupinus aridus Douglas var.aridus | Lupinus lepidus Douglas ex Lindl. var.aridus (Douglas) Jeps. | 483512 | 401689 |
| Lupinus albicaulis Douglas var. albicaulis | Lupinus albicaulis Douglas | | i | Lupinus albicaulis Douglas var.albicaulis | Lupinus albicaulis Douglas | 483608 | 22799 |
| Lupinus arbustus Douglas ex Lindl. subsp. arbustus | Lupinus arbustus Douglas ex Lindl. | | i | Lupinus arbustus Douglas ex Lindl. subsp. arbustus | Lupinus arbustus Douglas ex Lindl. | 483609 | 22808 |
| Lupinus argenteus Pursh subsp. argenteus | Lupinus argenteus Pursh var. argenteus | | i | Lupinus argenteus Pursh subsp. argenteus | Lupinus argenteus Pursh var.argenteus | 483610 | 311764 |
| Lupinus arizonicus (S. Watson) S. Watson subsp. arizonicus | | a | i | Lupinus arizonicus (S. Watson) S. Watson subsp. arizonicus | | 483611 | |
| Lupinus bicolor Lindl. subsp. bicolor | | a | i | Lupinus bicolor Lindl. subsp. bicolor | | 483612 | |
| Lupinus bingenensis Suksd. | Lupinus sulphureus Douglas | | | Lupinus bingenensis Suksd. | Lupinus sulphureus Douglas | 483613 | 310112 |
| Lupinus bingenensis Suksd. var. bingenensis | Lupinus sulphureus Douglas | | i | Lupinus bingenensis Suksd. var.bingenensis | Lupinus sulphureus Douglas | 483614 | 310112 |
| Lupinus concinnus J. Agardh var. concinnus | Lupinus concinnus J. Agardh subsp. concinnus | | i | Lupinus concinnus J. Agardh var.concinnus | Lupinus concinnus J. Agardh subsp. concinnus | 483615 | 418840 |
| Lupinus densiflorus Benth. var. densiflorus | Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | i | Lupinus densiflorus Benth. var.densiflorus | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | 483616 | 401705 |
| Lupinus lepidus Douglas ex Lindl. subsp. lepidus | Lupinus lepidus Douglas ex Lindl. var. lepidus | | i | Lupinus lepidus Douglas ex Lindl. subsp. lepidus | Lupinus lepidus Douglas ex Lindl. var.lepidus | 483617 | 401685 |
| Lupinus leucophyllus Douglas ex Lindl. var. leucophyllus | Lupinus leucophyllus Douglas ex Lindl. | | i | Lupinus leucophyllus Douglas ex Lindl. var.leucophyllus | Lupinus leucophyllus Douglas ex Lindl. | 483618 | 22833 |
| Lupinus luteus L. subsp. luteus | Lupinus luteus L. | | i | Lupinus luteus L. subsp. luteus | Lupinus luteus L. | 483619 | 22838 |
| Lupinus luteus L. var. luteus | Lupinus luteus L. | | i | Lupinus luteus L. var.luteus | Lupinus luteus L. | 483620 | 22838 |
| Lupinus micranthus Guss. var. micranthus | Lupinus micranthus Guss. | | i | Lupinus micranthus Guss. var.micranthus | Lupinus micranthus Guss. | 483621 | 22841 |
| Lupinus meionanthus A. Gray | Lupinus argenteus Pursh var. meionanthus (A. Gray) Barneby | | | Lupinus meionanthus A. Gray | Lupinus argenteus Pursh var.meionanthus (A. Gray) Barneby | 483622 | 483624 |
| Lupinus meionanthus A. Gray var. meionanthus | Lupinus argenteus Pursh var. meionanthus (A. Gray) Barneby | | i | Lupinus meionanthus A. Gray var.meionanthus | Lupinus argenteus Pursh var.meionanthus (A. Gray) Barneby | 483623 | 483624 |
| Lupinus argenteus Pursh var. meionanthus (A. Gray) Barneby | | a | i | Lupinus argenteus Pursh var.meionanthus (A. Gray) Barneby | | 483624 | |
| Lupinus menziesii J. Agardh | Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | | Lupinus menziesii J. Agardh | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | 483625 | 401705 |
| Lupinus menziesii J. Agardh var. menziesii | Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. | | i | Lupinus menziesii J. Agardh var.menziesii | Lupinus microcarpus Sims var.densiflorus (Benth.) Jeps. | 483626 | 401705 |
| Lupinus oreganus A. Heller var. oreganus | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | | i | Lupinus oreganus A. Heller var.oreganus | Lupinus sulphureus Douglas subsp. kincaidii (C. P. Sm.) L. Ll. Phillips | 483627 | 444533 |
| Lupinus parviflorus Nutt. ex Hook. & Arn. var. parviflorus | | a | i | Lupinus parviflorus Nutt. ex Hook. & Arn. var.parviflorus | | 483628 | |
| Lupinus perennis L. var. perennis | | a | i | Lupinus perennis L. var.perennis | | 483629 | |
| Lupinus polyphyllus Lindl. subsp. polyphyllus | Lupinus polyphyllus Lindl. var. polyphyllus | | i | Lupinus polyphyllus Lindl. subsp. polyphyllus | Lupinus polyphyllus Lindl. var.polyphyllus | 483630 | 401676 |
| Lupinus pusillus Pursh subsp. pusillus | | a | i | Lupinus pusillus Pursh subsp. pusillus | | 483631 | |
| Lupinus rivularis Douglas ex Lindl. var. rivularis | Lupinus rivularis Douglas ex Lindl. | | i | Lupinus rivularis Douglas ex Lindl. var.rivularis | Lupinus rivularis Douglas ex Lindl. | 483632 | 104901 |
| Lupinus sellulus Kellogg var. sellulus | Lupinus lepidus Douglas ex Lindl. var. sellulus (Kellogg) Barneby | | i | Lupinus sellulus Kellogg var.sellulus | Lupinus lepidus Douglas ex Lindl. var.sellulus (Kellogg) Barneby | 483633 | 437496 |
| Lupinus sparsiflorus Benth. subsp. sparsiflorus | Lupinus sparsiflorus Benth. | | i | Lupinus sparsiflorus Benth. subsp. sparsiflorus | Lupinus sparsiflorus Benth. | 483634 | 315904 |
| Lupinus cutleri Eastw. | Lupinus argenteus Pursh | | | Lupinus cutleri Eastw. | Lupinus argenteus Pursh | 483640 | 22809 |
| Lupinus gibertianus C. P. Sm. | | a | | Lupinus gibertianus C. P. Sm. | | 485454 | |
| Lupinus heptaphyllus auct. | Lupinus gibertianus C. P. Sm. | | | Lupinus heptaphyllus auct. | Lupinus gibertianus C. P. Sm. | 485456 | 485454 |
| Lupinus andersonii S. Watson var. grayi S. Watson | Lupinus grayi (S. Watson) S. Watson | | i | Lupinus andersonii S. Watson var.grayi S. Watson | Lupinus grayi (S. Watson) S. Watson | 486333 | 436671 |
| Lupinus andersonii S. Watson var. andersonii | Lupinus andersonii S. Watson | | i | Lupinus andersonii S. Watson var.andersonii | Lupinus andersonii S. Watson | 486334 | 22804 |