Synonyms
Thermopsis montana subsp. ovata B.L.Rob. ex Piper
Thermopsis ovata (B.L.Rob. ex Piper) Rydb.
Thermopsis rhombifolia var. ovata (B.L.Rob. ex Piper) Isely
Thermopsis montana var. ovata (B.L.Rob. ex Piper) H.St.John
Thermopsis xylorhiza A.Nelson