Synonyms
Gundlachia diffusa (Benth.) Urbatsch & R.P.Roberts
Bigelowia diffusa Brandegee
Ericameria diffusum Benth.
Aster sonoriensis Kuntze
Linosyris sonoriensis A.Gray
Ericameria diffusa Benth.
Chrysoma diffusa Greene
Haplopappus sonoriensis S.F.Blake