| Name | Castilleja bicolor Pennell |
| Authorship | Pennell |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Castilleja Mutis ex Linnaeus f. |
| GUID | urn:lsid:ipni.org:names:49416-2 |
| Citation | 1940 Ann. Missouri Bot. Gard. 27: 340 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Castilleja bicolor Pennell |
| Identification made in | [no date] (5) |