Synonyms
Malvastrum splendidum Kellogg
Malacothamnus fasciculatus subsp. splendidus (Kellogg) Abrams
Malvastrum fasciculatum var. laxiflorum (A.Gray) Munz & I.M.Johnst.
Malveopsis splendida (Kellogg) Kuntze
Malvastrum parishii Eastw.
Malvastrum laxiflorum (A.Gray) Eastw.
Malacothamnus fasciculatus var. splendidus (Kellogg) Abrams
Malacothamnus fasciculatus subsp. laxiflorus (A.Gray) Thorne
Malvastrum thurberi var. laxiflorum A.Gray
Malacothamnus parishii (Eastw.) Kearney