| Orthocarpus barbatus J. S. Cotton |
Accepted |
14 |
| Orthocarpus bracteosus Benth. |
Accepted |
15 |
| Orthocarpus cuspidatus Greene |
Accepted |
14 |
| Orthocarpus cuspidatus subsp. copelandii (Eastw.) T. I. Chuang & Heckard |
Accepted |
14 |
| Orthocarpus cuspidatus subsp. cryptanthus (Piper) T. I. Chuang & Heckard |
Accepted |
14 |
| Orthocarpus imbricatus Torr. ex S. Watson |
Accepted |
14 |
| Orthocarpus luteus Nutt. |
Accepted |
14 |
| Orthocarpus pachystachyus A. Gray |
Accepted |
14 |
| Orthocarpus purpureo-albus A. Gray ex S. Watson |
Accepted |
14 |
| Orthocarpus tenuifolius (Pursh) Benth. |
Accepted |
14 |
| Orthocarpus tolmiei Hook. & Arn. |
Accepted |
14 |
| Orthocarpus castillejoides Benth. |
Synonym of Castilleja ambigua Hook. & Arn. |
12 |
| Orthocarpus castillejoides var. humboldtensis D. D. Keck |
Synonym of Castilleja ambigua subsp. humboldtiensis (D. D. Keck) T. I. Chuang & Heckard |
12 |
| Orthocarpus castillejoides var. insalutatus Jeps. |
Synonym of Castilleja ambigua subsp. insalutata (Jeps.) T. I. Chuang & Heckard |
12 |
| Orthocarpus attenuatus A. Gray |
Synonym of Castilleja attenuata (A. Gray) T. I. Chuang & Heckard |
12 |
| Orthocarpus brevistylus Hoover |
Synonym of Castilleja brevistyla (Hoover) T. I. Chuang & Heckard |
24 |
| Orthocarpus campestris Benth. |
Synonym of Castilleja campestris (Benth.) T. I. Chuang & Heckard |
12 |
| Orthocarpus campestris var. succulentus Hoover |
Synonym of Castilleja campestris subsp. succulenta (Hoover) T. I. Chuang & Heckard |
12 |
| Orthocarpus densiflorus var. gracilis (Benth.) D. D. Keck |
Synonym of Castilleja densiflora subsp. gracilis (Benth.) T. I. Chuang & Heckard |
12 |
| Orthocarpus densiflorus var. obispoensis D. D. Keck |
Synonym of Castilleja densiflora subsp. obispoensis (D. D. Keck) T. I. Chuang & Heckard |
12 |
| Orthocarpus purpurascens Benth. |
Synonym of Castilleja exserta (A. Heller) T. I. Chuang & Heckard |
12 |
| Orthocarpus purpurascens var. pallidus D. D. Keck |
Synonym of Castilleja exserta (A. Heller) T. I. Chuang & Heckard |
12 |
| Orthocarpus purpurascens var. latifolius S. Watson |
Synonym of Castilleja exserta subsp. latifolia (S. Watson) T. I. Chuang & Heckard |
12 |
| Orthocarpus lacerus Benth. |
Synonym of Castilleja lacera (Benth.) T. I. Chuang & Heckard |
11 |
| Orthocarpus australis Benth. |
Synonym of Castilleja laciniata Hook. & Arn. |
36 |
| Orthocarpus laciniatus (Hook. & Arn.) D. D. Keck |
Synonym of Castilleja laciniata Hook. & Arn. |
36 |
| Orthocarpus lasiorhynchus A. Gray |
Synonym of Castilleja lasiorhyncha (A. Gray) T. I. Chuang & Heckard |
12 |
| Orthocarpus linearilobus Benth. |
Synonym of Castilleja lineariloba (Benth.) T. I. Chuang & Heckard |
24 |
| Orthocarpus lithospermoides var. bicolor (A. Heller) Jeps. |
Synonym of Castilleja rubicundula (Jeps.) T. I. Chuang & Heckard |
12 |
| Orthocarpus lithospermoides Benth. |
Synonym of Castilleja rubicundula subsp. lithospermoides (Benth.) T. I. Chuang & Heckard |
12 |
| Orthocarpus hispidus Benth. |
Synonym of Castilleja tenuis (A. Heller) T. I. Chuang & Heckard |
12 |
| Orthocarpus cuspidatus subsp. cuspidatus |
Synonym of Orthocarpus cuspidatus Greene |
14 |
| Orthocarpus copelandii Eastw. |
Synonym of Orthocarpus cuspidatus subsp. copelandii (Eastw.) T. I. Chuang & Heckard |
14 |
| Orthocarpus faucibarbatus subsp. albidus D. D. Keck |
Synonym of Orthocarpus faucibarbatus var. albidus (D. D. Keck) J. T. Howell |
11 |
| Orthocarpus erianthus Benth. |
Synonym of Triphysaria eriantha (Benth.) T. I. Chuang & Heckard |
11 |
| Orthocarpus erianthus var. roseus A. Gray |
Synonym of Triphysaria eriantha subsp. rosea (A. Gray) T. I. Chuang & Heckard |
11 |
| Orthocarpus floribundus Benth. |
Synonym of Triphysaria floribunda T. I. Chuang & Heckard |
11 |
| Orthocarpus micranthus Greene ex A. Heller |
Synonym of Triphysaria micrantha (Greene) T. I. Chuang & Heckard |
11 |
| Orthocarpus pusillus Benth. |
Synonym of Triphysaria pusilla (Benth.) T. I. Chuang & Heckard |
11 |
| Orthocarpus faucibarbatus A. Gray |
Synonym of Triphysaria versicolor subsp. faucibarbata (A. Gray) T. I. Chuang & Heckard |
11 |