| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LULO4 | Lupinus longipes Greene | Lupinus latifolius ssp. longipes | Fabaceae
|
| LULO3 | Lupinus longivallis C.P. Sm. | Lupinus cusickii ssp. cusickii | Fabaceae
|
| LULO6 | Lupinus louise-bucariae C.P. Sm. | Lupinus grayi | Fabaceae
|
| LULU | Lupinus ludovicianus Greene | San Luis lupine | Fabaceae
|
| LULU5 | Lupinus lupinus Rydb. | Lupinus caudatus ssp. caudatus | Fabaceae
|
| LULU2 | Lupinus luteolus Kellogg | pale yellow lupine | Fabaceae
|
| LULU4 | Lupinus lutescens C.P. Sm. | light yellow lupine | Fabaceae
|
| LULU80 | Lupinus luteus L. | European yellow lupine | Fabaceae
|
| LULU6 | Lupinus lutosus Heller | Lupinus formosus var. formosus | Fabaceae
|
| LULYA | Lupinus lyallii Gray ssp. alcis-temporis (C.P. Sm.) Cox | dwarf mountain lupine | Fabaceae
|
| LULYD2 | Lupinus lyallii Gray ssp. lyallii var. danaus (Gray) S. Wats. | dwarf mountain lupine | Fabaceae
|
| LULYF2 | Lupinus lyallii Gray ssp. lyallii var. fruticulosus (Greene) C.P. Sm. | dwarf mountain lupine | Fabaceae
|
| LULYL2 | Lupinus lyallii Gray ssp. lyallii var. lyallii | dwarf mountain lupine | Fabaceae
|
| LULYM3 | Lupinus lyallii Gray ssp. lyallii var. macroflorus Cox | dwarf mountain lupine | Fabaceae
|
| LULYR2 | Lupinus lyallii Gray ssp. lyallii var. roguensis Cox | Rogue River lupine | Fabaceae
|
| LULYV2 | Lupinus lyallii Gray ssp. lyallii var. villosus Jepson | dwarf mountain lupine | Fabaceae
|
| LULYL | Lupinus lyallii Gray ssp. lyallii | dwarf mountain lupine | Fabaceae
|
| LULYM2 | Lupinus lyallii Gray ssp. minutifolius (Eastw.) Cox | dwarf mountain lupine | Fabaceae
|
| LULYS | Lupinus lyallii Gray ssp. subpandens C.P. Sm. ex D. Dunn | dwarf mountain lupine | Fabaceae
|
| LULYW | Lupinus lyallii Gray ssp. washoensis (Heller) Cox | Washoe lupine | Fabaceae
|
| LULYL3 | Lupinus lyallii Gray var. lobbii (Gray ex S. Wats.) C.P. Sm. | Lupinus sellulus ssp. sellulus var. lobbii | Fabaceae
|
| LULY | Lupinus lyallii Gray | dwarf mountain lupine | Fabaceae
|
| LULY2 | Lupinus lyleanus C.P. Sm. | Lupinus arbustus ssp. neolaxiflorus | Fabaceae
|
| LUMA7 | Lupinus mackeyi C.P. Sm. | Lupinus arbustus ssp. neolaxiflorus | Fabaceae
|
| LUMA5 | Lupinus macounii Rydb. | Lupinus alpestris | Fabaceae
|
| LUMA10 | Lupinus macrophyllus Benth. | Lupinus polyphyllus ssp. polyphyllus var. grandifolius | Fabaceae
|
| LUMA6 | Lupinus macrostachys Rydb., non Rusby | Lupinus leucophyllus ssp. leucophyllus var. leucophyllus | Fabaceae
|
| LUMA3 | Lupinus maculatus Rydb. | spotted lupine | Fabaceae
|
| LUMAG | Lupinus magnificus M.E. Jones var. glarecola M.E. Jones | Panamint Mountain lupine | Fabaceae
|
| LUMAH | Lupinus magnificus M.E. Jones var. hesperius (Heller) C.P. Sm. | Panamint Mountain lupine | Fabaceae
|
| LUMAM | Lupinus magnificus M.E. Jones var. magnificus | Panamint Mountain lupine | Fabaceae
|
| LUMA | Lupinus magnificus M.E. Jones | Panamint Mountain lupine | Fabaceae
|
| LUMA8 | Lupinus magnus Greene | Lupinus polyphyllus ssp. polyphyllus var. grandifolius | Fabaceae
|
| LUMA2 | Lupinus malacophyllus Greene | jawleaf lupine | Fabaceae
|
| LUMA13 | Lupinus marcusianus C.P. Sm. | Lupinus hillii var. hillii | Fabaceae
|
| LUMA14 | Lupinus marianus Rydb. | Lupinus sericeus ssp. marianus | Fabaceae
|
| LUMA11 | Lupinus marleanus C.P. Sm. | Lupinus caespitosus var. caespitosus | Fabaceae
|
| LUMA9 | Lupinus matanuskensis C.P. Sm. | Lupinus polyphyllus ssp. polyphyllus var. polyphyllus | Fabaceae
|
| LUMEH | Lupinus meionanthus Gray var. heteranthus S. Wats. | Lupinus caudatus ssp. caudatus | Fabaceae
|
| LUME | Lupinus meionanthus Gray | Lake Tahoe lupine | Fabaceae
|
| LUME3 | Lupinus melicampestris C.P. Sm. | Lupinus polyphyllus ssp. superbus | Fabaceae
|
| LUME2 | Lupinus menziesii J.G. Agardh | Lupinus densiflorus var. aureus | Fabaceae
|
| LUMI10 | Lupinus micensis M.E. Jones | Lupinus concinnus ssp. orcuttii | Fabaceae
|
| LUMI12 | Lupinus micheneri Greene | Lupinus versicolor | Fabaceae
|
| LUMIB | Lupinus micranthus Dougl. var. bicolor (Lindl.) S. Wats. | Lupinus bicolor ssp. bicolor | Fabaceae
|
| LUMIC | Lupinus micranthus Dougl. var. congdonii C.P. Sm. | Lupinus congdonii | Fabaceae
|
| LUMIM | Lupinus micranthus Dougl. var. microphyllus S. Wats. | Lupinus bicolor ssp. microphyllus | Fabaceae
|
| LUMIP | Lupinus micranthus Dougl. var. pachylobus (Greene) Jepson | Lupinus pachylobus | Fabaceae
|
| LUMIT | Lupinus micranthus Dougl. var. trifidus Torr. ex S. Wats. | Lupinus bicolor ssp. umbellatus var. trifidus | Fabaceae
|
| LUMI7 | Lupinus micranthus Dougl., non Guss. | Lupinus polycarpus | Fabaceae
|
| LUMIS | Lupinus microcarpus Sims ssp. scopulorum (C.P. Sm.) C.P. Sm. | Lupinus densiflorus var. densiflorus | Fabaceae
|
| LUMID3 | Lupinus microcarpus Sims var. densiflorus (Benth.) Jepson | Lupinus densiflorus var. densiflorus | Fabaceae
|
| LUMIH4 | Lupinus microcarpus Sims var. horizontalis (Heller) Jepson | Lupinus horizontalis var. horizontalis | Fabaceae
|
| LUMIR2 | Lupinus microcarpus Sims var. ruber (Heller) C.P. Sm. | Lupinus ruber | Fabaceae
|
| LUMI9 | Lupinus microcarpus Sims | Lupinus subvexus var. subvexus | Fabaceae
|
| LUMI11 | Lupinus milo-bakeri C.P. Sm. | Lupinus luteolus | Fabaceae
|
| LUMI8 | Lupinus minearanus C.P. Sm. | Lupinus holosericeus | Fabaceae
|
| LUMIH | Lupinus minimus Dougl. ex Hook. var. hellerae (Heller) C.P. Sm. | Lupinus ornatus | Fabaceae
|
| LUMI3 | Lupinus minimus Dougl. ex Hook. | Kettle Falls lupine | Fabaceae
|
| LUMI6 | Lupinus minutifolius Eastw. | Lupinus lyallii ssp. minutifolius | Fabaceae
|
| LUMO3 | Lupinus mollis Heller | soft lupine | Fabaceae
|
| LUMO5 | Lupinus mollisifolius A. Davids. | Lupinus longifolius | Fabaceae
|
| LUMO4 | Lupinus monticola Rydb. | mountain lupine | Fabaceae
|
| LUMO6 | Lupinus montigenus Heller | Lupinus caudatus ssp. montigenus | Fabaceae
|
| LUMO8 | Lupinus montis-cookii C.P. Sm. | Lupinus argenteus ssp. argenteus var. laxiflorus | Fabaceae
|
| LUMO9 | Lupinus montis-lieratatis C.P. Sm. | Lupinus caudatus ssp. caudatus | Fabaceae
|
| LUMO7 | Lupinus moranii Dunkle | Lupinus guadalupensis | Fabaceae
|
| LUMUU | Lupinus mucronulatus T.J. Howell var. umatillensis C.P. Sm. | Lupinus arbustus ssp. pseudoparviflorus | Fabaceae
|
| LUMU4 | Lupinus mucronulatus T.J. Howell | Lupinus onustus | Fabaceae
|
| LUMU7 | Lupinus multicaulis C.P. Sm. | Lupinus arcticus ssp. arcticus | Fabaceae
|
| LUMU5 | Lupinus multicincinnus C.P. Sm. | Lupinus holosericeus | Fabaceae
|
| LUMU3 | Lupinus multifolius C.P. Sm. | Lupinus arcticus ssp. arcticus | Fabaceae
|
| LUMU8 | Lupinus mutabilis Sweet | tarwi | Fabaceae
|
| LUMY | Lupinus myrianthus Greene | Lupinus parviflorus ssp. myrianthus var. myrianthus | Fabaceae
|
| LUNAL | Lupinus nanus Dougl. ex Benth. ssp. latifolius (Benth. ex Torr.) D. Dunn | sky lupine | Fabaceae
|
| LUNAM | Lupinus nanus Dougl. ex Benth. ssp. menkerae (C.P. Sm.) D. Dunn | Menker's lupine | Fabaceae
|
| LUNAN2 | Lupinus nanus Dougl. ex Benth. ssp. nanus | sky lupine | Fabaceae
|
| LUNAA | Lupinus nanus Dougl. ex Benth. var. apricus (Greene) C.P. Sm. | Lupinus vallicola ssp. apricus | Fabaceae
|
| LUNAC | Lupinus nanus Dougl. ex Benth. var. carnosulus (Greene) C.P. Sm. | Lupinus affinis | Fabaceae
|
| LUNAL2 | Lupinus nanus Dougl. ex Benth. var. latifolius Benth. ex Torr. | Lupinus nanus ssp. latifolius | Fabaceae
|
| LUNAM3 | Lupinus nanus Dougl. ex Benth. var. maritimus Hoover | Lupinus nanus ssp. nanus | Fabaceae
|
| LUNAM2 | Lupinus nanus Dougl. ex Benth. var. menkerae C.P. Sm. | Lupinus nanus ssp. menkerae | Fabaceae
|
| LUNAP | Lupinus nanus Dougl. ex Benth. var. perlasius C.P. Sm. | Lupinus spectabilis | Fabaceae
|
| LUNAV | Lupinus nanus Dougl. ex Benth. var. vallicola (Heller) C.P. Sm. | Lupinus vallicola ssp. vallicola | Fabaceae
|
| LUNA3 | Lupinus nanus Dougl. ex Benth. | sky lupine | Fabaceae
|
| LUNA | Lupinus navaliformis Heller | Lupinus formosus var. robustus | Fabaceae
|
| LUNA6 | Lupinus navicularis Heller | Lupinus formosus var. robustus | Fabaceae
|
| LUNE3 | Lupinus nemoralis Greene | Lupinus adsurgens var. undulatus | Fabaceae
|
| LUNE2 | Lupinus neomexicanus Greene | New Mexico lupine | Fabaceae
|
| LUNE | Lupinus nevadensis Heller | Nevada lupine | Fabaceae
|
| LUNI2 | Lupinus nipomensis Eastw. | Lupinus concinnus ssp. concinnus | Fabaceae
|
| LUNOE | Lupinus nootkatensis Donn ex Sims var. ethel-looffii C.P. Sm. | Lupinus nootkatensis var. nootkatensis | Fabaceae
|
| LUNOF | Lupinus nootkatensis Donn ex Sims var. fruticosus Sims | Nootka lupine | Fabaceae
|
| LUNOG | Lupinus nootkatensis Donn ex Sims var. glaber Hook. | Lupinus nootkatensis var. fruticosus | Fabaceae
|
| LUNOH | Lupinus nootkatensis Donn ex Sims var. henry-looffii C.P. Sm. | Lupinus nootkatensis var. nootkatensis | Fabaceae
|
| LUNOK | Lupinus nootkatensis Donn ex Sims var. kiellmannii Ostenf. | Lupinus arcticus ssp. arcticus | Fabaceae
|
| LUNON | Lupinus nootkatensis Donn ex Sims var. nootkatensis | Nootka lupine | Fabaceae
|
| LUNOP | Lupinus nootkatensis Donn ex Sims var. perlanatus C.P. Sm. | Lupinus nootkatensis var. nootkatensis | Fabaceae
|
| LUNOU | Lupinus nootkatensis Donn ex Sims var. unalaskensis S. Wats. | Lupinus nootkatensis var. fruticosus | Fabaceae
|
| LUNO | Lupinus nootkatensis Donn ex Sims | Nootka lupine | Fabaceae
|
| LUNU2 | Lupinus nuttallii S. Wats. | Lupinus perennis ssp. gracilis | Fabaceae
|