Acmispon americanus var. helleri Acmispon americanus var. americanus
Trigonella americana Lotus americanus Hosackia sericea Lotus americanus var. glaber Hosackia americana Acmispon helleri Hosackia helleri Lotus purshianus var. purshianus Acmispon americanum Hosackia americana subsp. pilosa
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024