Synonyms
Castilleja arachnoidea subsp. shartensis (Eastw.) Pennell
Castilleja floccosa Pennell ex M.Peck
Castilleja payneae Eastw.
Castilleja eastwoodiana Pennell
Castilleja pumicicola Pennell
Orthocarpus pilosus var. arachnoideus (Greenm.) Jeps.
Castilleja filifolia Eastw.