| Name | Castilleja lassensensis Eastwood |
| Authorship | Eastwood |
| Rank | Species |
| Placed in | Castilleja Mutis ex Linnaeus f. |
| Citation | 1940 Leafl. W. Bot. 2: 244 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Castilleja lassensensis Eastwood |
| Identification made in | [no date] (1) |