American Bird's-foot Trefoil, Pursh's Lotus, Spanish-clover: Acmispon americanus var. americanus (Synonyms: Hosackia americana, Lotus americanus, Lotus purshiana, Lotus purshianus var. glaber, Lotus purshiana var. purshiana, Lotus unifoliolatus var. unifoliolatus) -
Nevada Deer-vetch, Nevada Bird's-foot Trefoil: Acmispon nevadensis var. nevadensis (Synonyms: Hosackia decumbens, Lotus douglasii, Lotus nevadensis var. douglasii) -
Short-flower Bird's-foot-trefoil, Small-flowered Deer-vetch: Acmispon parviflorus (Synonyms: Hosackia parviflora, Lotus micranthus) -
Big Deervetch, Thick-leaf Deervetch: Hosackia crassifolia var. crassifolia (Synonym: Lotus crassifolius var. crassifolius) -
Bog Deervetch, Meadow Deervetch, Meadow Bird's-foot Trefoil: Hosackia pinnata (Synonym: Lotus pinnatus) -
Birdsfoot-trefoil, Garden Bird's-foot-trefoil: Lotus corniculatus (Synonym: Lotus corniculatus var. arvensis) -