Petradoria
Petradoria is a genus of North American subshrubs in the tribe Astereae within the family Asteraceae.
;Species
The only known species is Petradoria pumila, known by the common name rock goldenrod. It is native to the western United States. It is quite common in some regions, carpeting areas in yellow blooms.
;Formerly included
Petradoria discoidea L.C.Anderson - Cuniculotinus gramineus Urbatsch, R.P.Roberts & Neubig
;SubspeciesPetradoria pumila subsp. pumilaPetradoria pumila subsp. graminea L.C.Anderson