| 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) |