- Amorpha canescens — downy indigobush
- Amorpha fruticosa — false indigobush
- Amorpha nana — fragrant indigobush
- Amphicarpaea bracteata — American hog-peanut
- Apios americana — American groundnut
- Astragalus adsurgens — rattle milkvetch
- Astragalus agrestis — Don meadow milkvetch
- Astragalus alpinus — alpine milkvetch
- Astragalus americanus — American milkvetch
- Astragalus australis — Indian milkvetch
- Astragalus beckwithii — Beckwith's milkvetch
- Astragalus bisulcatus — two-grooved milkvetch
- Astragalus bodinii — Bodin's milkvetch
- Astragalus bourgovii — Bourgeau's milkvetch
- Astragalus canadensis — Canadian milkvetch
- Astragalus collinus — rattle milkvetch
- Astragalus convallarius — lesser rushy milkvetch
- Astragalus crassicarpus — ground-plum
- Astragalus drummondii — Drummond's milkvetch
- Astragalus eucosmus — pretty milkvetch
- Astragalus filipes — basalt milkvetch
- Astragalus flexuosus — flexible milkvetch
- Astragalus gilviflorus — three-leaf milkvetch
- Astragalus kentrophyta — spiny milkvetch
- Astragalus lentiginosus — mottled milkvetch
- Astragalus lotiflorus — low milkvetch
- Astragalus microcystis — least bladdery milkvetch
- Astragalus miser — timber milkvetch
- Astragalus missouriensis — Missouri milkvetch
- Astragalus neglectus — Cooper's milkvetch
- Astragalus nutzotinensis — Nutzotin milkvetch
- Astragalus pectinatus — narrowleaf milkvetch
- Astragalus purshii — Pursh's milkvetch
- Astragalus racemosus — racemose milkvetch
- Astragalus robbinsii — Robbins' milkvetch
- Astragalus sclerocarpus — woody-pod milkvetch
- Astragalus spaldingii — Spalding's milkvetch
- Astragalus spatulatus — tufted milkvetch
- Astragalus tenellus — looseflower milkvetch
- Astragalus umbellatus — tundra milkvetch
- Astragalus vexilliflexus — bent-flowered milkvetch
- Astragalus williamsii — Williams' milkvetch
- Baptisia alba — prairie false indigo
- Baptisia tinctoria — yellow wild indigo
- Cercis canadensis — eastern redbud
- Dalea candida — white prairie-clover
- Dalea purpurea — purple prairie-clover
- Dalea villosa — silky prairie-clover
- Desmodium canadense — showy tick-trefoil
- Desmodium canescens — hoary tick-trefoil
- Desmodium cuspidatum — toothed tick-trefoil
- Desmodium glutinosum — large tick-trefoil
- Desmodium nudiflorum — bare-stemmed tick-trefoil
- Desmodium paniculatum — panicled-leaf tick-trefoil
- Desmodium perplexum — perplexed tick-trefoil
- Desmodium rotundifolium — prostrate tick-trefoil
- Gleditsia triacanthos — honey-locust
- Glycyrrhiza lepidota — wild licorice
- Gymnocladus dioicus — Kentucky coffee-tree
- Hedysarum alpinum — alpine sweetvetch
- Hedysarum boreale — boreal sweetvetch
- Hedysarum occidentale — western sweetvetch
- Hedysarum sulphurescens — yellow sweetvetch
- Lathyrus bijugatus — Latah tule-pea
- Lathyrus japonicus — beach pea
- Lathyrus littoralis — grey beach peavine
- Lathyrus nevadensis — Sierra Nevada peavine
- Lathyrus ochroleucus — pale vetchling peavine
- Lathyrus palustris — vetchling peavine
- Lathyrus venosus — smooth veiny peavine
- Lespedeza capitata — roundhead bushclover
- Lespedeza hirta — hairy bushclover
- Lespedeza intermedia — wand bushclover
- Lespedeza procumbens — trailing bushclover
- Lespedeza violacea — violet bushclover
- Lespedeza virginica — slender bushclover
- Lespedeza x longifolia
- Lespedeza x nuttallii — Nuttall's bushclover
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- Lotus denticulatus — meadow trefoil
- Lotus formosissimus — seaside trefoil
- Lotus micranthus — smallflower trefoil
- Lotus nevadensis — Nevada bird's-foot trefoil
- Lotus parviflorus — smallflower trefoil
- Lotus pinnatus — bog bird's-foot trefoil
- Lotus unifoliolatus — American bird's-foot trefoil
- Lupinus albicaulis — sickle-keel lupine
- Lupinus arbustus — longspur lupine
- Lupinus arcticus — arctic lupine
- Lupinus argenteus — silvery lupine
- Lupinus bicolor — Lindley's lupine
- Lupinus bingenensis — Bingen lupine
- Lupinus burkei — Burke's lupine
- Lupinus caespitosus — stemless dwarf lupine
- Lupinus caudatus — Kellogg's spurred lupine
- Lupinus densiflorus — dense-flowered lupine
- Lupinus formosus — summer lupine
- Lupinus kuschei — Yukon lupine
- Lupinus latifolius — broadleaf lupine
- Lupinus lepidus — prairie lupine
- Lupinus leucophyllus — woolly-leaf lupine
- Lupinus littoralis — seashore lupine
- Lupinus lyallii — Lyall's lupine
- Lupinus minimus — Kettle Falls lupine
- Lupinus nootkatensis — Nootka lupine
- Lupinus oreganus — Oregon lupine
- Lupinus parviflorus — lodgepole lupine
- Lupinus perennis — sundial lupine
- Lupinus polycarpus — smallflower lupine
- Lupinus polyphyllus — largeleaf lupine
- Lupinus prunophilus — hairy bigleaf lupine
- Lupinus pusillus — small lupine
- Lupinus rivularis — riverbank lupine
- Lupinus sericeus — Pursh's silky lupine
- Lupinus sulphureus — sulphur-flower lupine
- Lupinus vallicola — open lupine
- Lupinus wyethii — Wyeth's lupine
- Lupinus x alpestris
- Oxytropis arctica — arctic crazyweed
- Oxytropis besseyi — Bessey's locoweed
- Oxytropis borealis — boreal locoweed
- Oxytropis campestris — northern yellow pointvetch
- Oxytropis deflexa — pendant-pod pointvetch
- Oxytropis huddelsonii — Huddelson's crazyweed
- Oxytropis lagopus — hare's-foot pointvetch
- Oxytropis lambertii — stemless pointvetch
- Oxytropis maydelliana — Maydell's pointvetch
- Oxytropis mertensiana — Mertens' crazyweed
- Oxytropis monticola — yellowflower locoweed
- Oxytropis nigrescens — blackish crazyweed
- Oxytropis podocarpa — Gray's pointvetch
- Oxytropis scammaniana — Scamman's crazyweed
- Oxytropis sericea — white pointvetch
- Oxytropis splendens — showy pointvetch
- Pediomelum argophyllum — silvery scurfpea
- Pediomelum esculentum — pomme-de-prairie
- Psoralidium lanceolatum — lanceleaf scurfpea
- Psoralidium tenuiflorum — few-flowered scurfpea
- Rupertia physodes — California scurfpea
- Senna hebecarpa — wild senna
- Strophostyles helvula — trailing wild bean
- Tephrosia virginiana — goat's-rue
- Thermopsis rhombifolia — roundleaf thermopsis
- Trifolium cyathiferum — bowl clover
- Trifolium depauperatum — balloon sack clover
- Trifolium dichotomum — branched Indian clover
- Trifolium fucatum — sour clover
- Trifolium macraei — McCrae's clover
- Trifolium microcephalum — smallhead clover
- Trifolium microdon — Valparaiso clover
- Trifolium oliganthum — few-flower clover
- Trifolium variegatum — whitetip clover
- Trifolium willdenowii — springbank clover
- Trifolium wormskioldii — Wormskjold's clover
- Vicia americana — American purple vetch
- Vicia caroliniana — Carolina wood vetch
- Vicia nigricans — black vetch
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