Synonyms
Agoseris major Jeps.
Cryptopleura californica Nutt.
Troximon heterophyllum f. cryptopleurum (Greene) H.M.Hall
Troximon heterophyllum var. cryptopleura Greene
Agoseris californica (Nutt.) Hoover
Agoseris heterophylla subsp. californica Piper
Macrorhynchus californicus (Nutt.) Torr. & A.Gray
Agoseris heterophylla var. californica (Nutt.) Davidson, Moxley & Jeps.