American Bird'sfoot Trefoil, Pursh's Lotus, Spanish Clover: Acmispon americanus var. americanus (Synonyms: Hosackia americana, Lotus americanus, Lotus purshianus var. glabra, Lotus purshianus var. purshianus, Lotus unifoliolatus, Lotus unifoliolatus var. unifoliolatus)
Hill Lotus: Acmispon brachycarpus (Synonym: Lotus humistratus)
Meadow Lotus: Acmispon denticulatus (Synonyms: Hosackia denticulata, Lotus denticulatus)
Nevada Bird's-foot Trefoil, Nevada Deervetch: Acmispon nevadensis var. nevadensis (Synonyms: Lotus nevadensis var. douglasii, Lotus nevadensis var. nevadensis, Lotus douglasii) -
Desert Deervetch, Field Lotus, Short-flower Bird's-foot Trefoil, Small-flowered Deervetch, Small-flowered Lotus: Acmispon parviflorus (Synonyms: Hosackia parviflora, Lotus micranthus, Lotus parviflora) -
Hairy Lotus: Acmispon wrangellianus (Synonym: Lotus wrangelianus) -
Big Deervetch: Hosackia crassifolia var. crassifolia (Synonyms: Lotus crassifolius, Lotus crassifolius var. crassifolius) -
Seaside Bird's-foot Trefoil, Seaside Lotus: Hosackia gracilis (Synonym: Lotus formosissimus) -
Streambank Birdsfoot Trefoil: Hosackia oblongifolia var. oblongifolia (Synonyms: Hosackia torreyi, Lotus oblongifolius var. nevadensis, Lotus oblongifolius var. oblongifolius, Lotus torreyi) -
Bog Deervetch, Meadow Bird's-foot Trefoil, Meadow Deervetch: Hosackia pinnata (Synonyms: Lotus bicolor, Lotus pinnatus) -
Rosy Birdsfoot Trefoil, Rosy Bird's-foot Trefoil: Hosackia rosea (Synonyms: Lotus aboriginus, Lotus crassifolius var. subglaber, Lotus stipularis, Lotus stipularis var. subglaber) -
Birdsfoot Trefoil, Birdsfoot-trefoil, Garden Bird's-foot Trefoil, Birdfoot Deervetch: Lotus corniculatus (Synonyms: Lotus corniculatus var. arvensis, Lotus tenuis) -
Big Trefoil, Greater Birdsfoot Trefoi, Large Trefoill: Lotus uliginosus (Synonym: Lotus pedunculatus) -