Attenuate Paintbrush, Valley-tassels: Castileja attenuata (Synonym: Orthocarpus attenuatus) - Collected from the Glenwood Valley and Klickitat River canyon.
Elmer's Paintbrush: Castilleja elmeri (Synonym: Castilleja angustifolia var. whitedii) - Collected from cliffs near High Camp.
Harsh Paintbrush: Castilleja hispida var. acuta (Synonyms: Castilleja hispida ssp. acuta, Castilleja taedifera) -
Harsh Paintbrush: Castilleja hispida var. hispida (Synonyms: Castilleja angustifolia var. abbreviata, Castilleja angustifolia var. hispida, Castilleja hispida ssp. abbreviata, Castilleja hispida ssp. hipsida) -
Common Paintbrush, Scarlet Paintbrush, Scarlet Indian Paintbrush: Castilleja miniata var. miniata (Synonyms: Castilleja affinis, Castilleja affinis ssp. litoralis, Castilleja crispula, Castilleja dixonii, Castilleja mini) -
Magenta Paintbrush: Castilleja parviflora var. oreopola (Synonyms: Castilleja miniata var. alpina, Castilleja oreopola) -
White Paintbrush: Castilleja pilosa var. pilosa ? - Recorded for Mt. Adams from the early days, but this species is not currently listed as present in Washington state.
Bog Paintbrush, Suksdorf's Paintbrush, Suksdorf's Indian Paintbrush: Castilleja suksdorfii -
Hairy Indian Paintbrush, Hairy Paintbrush, Hairy Owlclover: Castilleja tenuis (Synonyms: Orthocarpus hispidus, Orthocarpus rarior, Orthocarpus tenuis, Triphysaria hispida) -
Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis) -
Is there any sign of Cliff Paintbrush (C. rupicola) on Mt. Adams, which is found both north and south of Mt. Adams in the Cascades?