| Name | Pycnanthemum umbratile Fernald |
| Authorship | Fernald |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pycnanthemum |
| Citation | 1945 Rhodora 47: 179, plate 906 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pycnanthemum umbratile Fernald |
| Identification made in | [no date] (1) |