| Taxon | Acmispon haydonii |
| group | Eudicots |
| Family | Fabaceae |
| Family common name(s) | legume; legumes; leguminosae; pea; bean; clover; pulse; pulses |
| Genus common name(s) | acmispon |
| Species common name(s) | Hayden's acmispon; Haydon's lotus; Haydon's hosackia; Haydon's trefoil; Hayden acmispon; Haydon lotus; Haydon hosackia; Haydon trefoil; pygmy lotus; pygmy deer-weed; pygmy deerweed; rock lotus; rock bird's-foot-trefoil; rock bird's-foot trefoil; rock birdsfoot trefoil |
| |
| |
| Common name(s) generally applied to other taxa or multiple taxa | trefoil, deer-vetch, deer vetch, deervetch are applied to multiple Fabaceae taxa |
| |
| Notes | Haydon is a proper name, so upper case preferable; Haydons is an error |
| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Lotus haydonii (Orcutt) Greene; Hosackia haydonii Orcutt |
