Synonyms
Machaeranthera pattersonii var. hallii A.Gray
Machaeranthera viscosula Rydb.
Aster pattersonii A.Gray
Machaeranthera varians Greene
Machaeranthera townshendii (Hook.f.) W.Thomps.
Machaeranthera rubricaulis Rydb.
Machaeranthera spectabilis Greene
Aster rubrotinctus S.F.Blake
Machaeranthera pattersonii Greene
Aster townshendii Hook.f.
Machaeranthera aspera Greene
Machaeranthera canescens var. alpina Porter
Aster aquifolius (Greene ex Wooton & Standl.) S.F.Blake
Machaeranthera centaureoides Greene
Machaeranthera aquifolia Greene ex Wooton & Standl.