Synonyms
Cogswellia austiniae (J.M.Coult. & Rose) M.E.Jones
Lomatium sonnei J.M.Coult. & Rose
Peucedanum austiniae J.M.Coult. & Rose
Lomatium plummerae subsp. sonnei (J.M.Coult. & Rose) A.E.Murray
Lomatium plummerae var. sonnei Jeps.
Cogswellia sonnei M.E.Jones
Lomatium plummerae var. austinae (J.M.Coult. & Rose) Mathias