| Name | Phyllostegia brevidens var. ambigua A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Phyllostegia brevidens A. Gray |
| Citation | 1862 Proc. Amer. Acad. Arts 5: 343 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phyllostegia brevidens var. ambigua A. Gray |
| Identification made in | [no date] (1) |
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