| Name | Castilleja calcicola Pennell |
| Authorship | Pennell |
| Rank | Species |
| Placed in | Castilleja Mutis ex Linnaeus f. |
| Citation | 1959 Leafl. W. Bot. 9(3): 45–46 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Castilleja calcicola Pennell |
| Identification made in | [no date] (2) |
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