| Name | Castilleja ewanii Eastwood |
| Authorship | Eastwood |
| Rank | Species |
| Placed in | Castilleja Mutis ex Linnaeus f. |
| Citation | 1941 Leafl. W. Bot. 3(4): 89 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Castilleja ewanii Eastwood |
| Identification made in | [no date] (1), 1967 (4) |