- bluebonnet, buffalo clover, Texas bluebonnet, Lupinus subcarnosus - low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States
--1 is a kind of lupine, lupin
- buffalo clover, Trifolium stoloniferum - clover of western United States
--2 is a kind of clover, trefoil
- buffalo clover, Trifolium reflexum - clover of western United States
--3 is a kind of clover, trefoil