Orthocarpus linerifolius Benth. ex A.Gray species doubtful

Orthocarpus holmgreniorum (T.I.Chuang & Heckard) L.M.Schultz & F.J.Sm. species accepted

Orthocarpus linerifolius Benth. species homotypic synonym

Bartsia tenuifolia Pursh species synonym

Rhinanthus tenuifolius (Pursh) Poir. species synonym

Orthocarpus cuspidatus Greene species accepted

Orthocarpus pachystachyus A.Gray species accepted

Orthocarpus purpureoalbus S.Watson species accepted

Orthocarpus bracteosus Benth. species accepted

Orthocarpus bracteosus var. albus D.D.Keck variety synonym

Orthocarpus imbricatus Torr. ex S.Watson species accepted

Orthocarpus pachystachys A.Gray species synonym

Orthocarpus tenuifolius (Pursh) Benth. species accepted

Orthocarpus barbatus J.S.Cotton species accepted

Orthocarpus luteus Nutt. species accepted

Orthocarpus tolmiei Hook. & Arn. species accepted

Orthocarpus tenuifolius A.Gray species heterotypic synonym

Orthocarpus linearifolius Benth. species homotypic synonym

Orthocarpus imbricatus Torr. species homotypic synonym

Orthocarpus tolmiei subsp. holmgreniorum T.I.Chuang & Heckard subspecies synonym

Orthocarpus strictus Benth. species synonym

Orthocarpus linearifolius Benth. ex A.Gray species accepted

Orthocarpus bracteosus var. typicus D.D.Keck variety synonym