American Bird's-foot Trefoil, American Deervetch, Pursh's Lotus, Spanish-clover: Acmispon americanus var. americanus (Synonyms: Hosackia americana, Lotus americanus, Lotus purshianus var. purshianus, Lotus unifoliolatus var. unifoliolatus) -
Colchita, Hill Lotus: Acmispon brachycarpus (Synonym: Lotus humistratus) -
Meadow Lotus, Riverbar Lotus: Acmispon denticulatus (Synonyms: Hosackia denticulata, Lotus denticulatus) -
Douglas' Lotus, Nevada Deervetch, Nevada Bird's-foot Trefoil: Acmispon nevadensis var. nevadensis (Synonyms: Lotus douglasii, Lotus nevadensis var. douglasii, Lotus nevadensis var. nevadensis) -
Field Lotus, Small-flowered Lotus, Desert Deervetch, Short-flower Bird's-foot Trefoil: Acmispon parviflorus (Synonyms: Hosackia parviflora, Lotus micranthus) -
Hairy Lotus: Acmispon wrangelianus (Synonyms: Lotus subpinnatus, Lotus wrangelianus) -
Big Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius) -
Seaside Lotus, Seaside Bird's-foot Trefoil: Hosackia gracilis (Synonym: Lotus formosissimus) -
Streambank Birdsfoot Trefoil: Hosackia oblongifolia var. oblongifolia (Synonyms: Hosackia oblongifolia, Hosackia torreyi, Lotus oblongifolius var. oblongifolius, Lotus torreyi) -
Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus) -
Rosy Birdsfoot Trefoil, Rosy Birds-foot Trefoil: Hosackia rosea (Synonyms: Lotus aboriginus, Lotus crassifolius var. subglaber, Lotus stipularis var. subglaber) -
Pine Lotus, Thicket Lotus: Hosackia stipularis var. ottleyi (Synonym: Lotus stipularis var. ottleyi) -
Birdfoot Deervetch, Bird's-foot Trefoil, Garden Bird's-foot Trefoil: Lotus corniculatus (Synonym: Lotus tenuis) -
Hairy Birdsfoot Trefoil: Lotus subbiflorus var. subbiflorus -
Big Trefoil, Greater Bird's Foot Trefoil: Lotus uliginosus (Synonym: Lotus pedunculatus) -