| Name | Castilleja laxa A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Castilleja Mutis ex Linnaeus f. |
| GUID | urn:lsid:ipni.org:names:801021-1 |
| Citation | 1-20 Apr 1859 Rep. U.S. Mex. Bound., Bot. 119 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Castilleja laxa A. Gray |
| Identification made in | [no date] (8) |