| Taxon | Trifolium willdenovii |
| group | Eudicots |
| Family | Fabaceae |
| Family common name(s) | legume; legumes; leguminosae; pea; bean; clover; pulse; pulses |
| Genus common name(s) | clover; true clover; claver; clower; true trefoil |
| Species common name(s) | tomcat clover; tom-cat clover; tom cat clover; tomcat valley clover; valley clover; Willdenow's clover; Willdenow clover |
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| Common name(s) generally applied to other taxa or multiple taxa | common palesack clover, seaside clover, springbank clover are applied to multiple Trifolium taxa; trefoil, triphyllon are applied to multiple Fabaceae taxa |
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| Notes | Willdenow is a proper name, so upper case preferable; Willdenows is an error |
| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Trifolium tridentatum Lindl. |
