| Name | Castilleja litoralis Pennell |
| Authorship | Pennell |
| Rank | Species |
| Placed in | Castilleja Mutis ex Linnaeus f. |
| Citation | 1947 Proc. Acad. Nat. Sci. Philadelphia 99(7): 183–184 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Castilleja litoralis Pennell |
| Identification made in | [no date] (6) |