Attenuate Indian Paintbrush, Narrowleaf Paintbrush, Valley Tassels, Valley-tassels: Castilleja attenuata (Synonym: Orthocarpus attenuatus)
Field Owl-clover, Meadow Paintbrush, Vernal Pool Indian Paintbrush: Castilleja campestris ssp. campestris (Synonyms: Castilleja campestris var. campestris, Orthocarpus campestris) -
Annual White Paintbrush, Hairy Indian Paintbrush, Hairy Owl-clover, Thin Paintbrush: Castilleja tenuis (Synonyms: Orthocarpus hispidus, Orthocarpus rarior, Orthocarpus tenuis, Triphysaria hispida)
Grand Coulee Owl-clover: Orthocarpus barbatus
Rosy Owl-clover, Rosy Owl's-clover: Orthocarpus bracteosus (Synonym: Orthocarpus bracteosus var. albus)
Copeland's Owl-clover, Copeland's Owl's-clover: Orthocarpus cuspidatus ssp. copelandii (Synonyms: Orthocarpus copelandii, Orthocarpus copelandii var. copelandii) -
Cryptantha Owl's-clover, Hidden-flowered Owl Clover: Orthocarpus cuspidatus ssp. cryptanthus (Synonym: Orthocarpus copelandii var. cryptanthus) -
Siskiyou Mountain Owl Clover, Siskiyou Mountain Owl's-clover, Toothed Owl Clover: Orthocarpus cuspidatus ssp. cuspidatus
Mountain Owl-clover, Mountain Owl's-clover: Orthocarpus imbricatus
Yellow Owl-clover, Yellow Owl's-clover, Golden-tongue Owl-clover: Orthocarpus luteus
Narrow-leafed Owl-clover, Thinleaved Owl's-clover, Thin-leaved Owl-clover: Orthocarpus tenuifolius