| Name | Castilleja angustifolia var. dubia A. Nelson |
| Authorship | A. Nelson |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Castilleja angustifolia (Nuttall) G. Don |
| GUID | urn:lsid:ipni.org:names:49393-2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Castilleja angustifolia var. dubia A. Nelson |
| Identification made in | [no date] (2) |
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