| Name | Pycnanthemum verticillatum (Michaux) Persoon |
| Authorship | (Michaux) Persoon |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Pycnanthemum |
| Contains | Pycnanthemum verticillatum var. pilosum (Nuttall) Cooperrider |
| Holdings | 81 Specimens held in the Harvard University Herbaria identified as Pycnanthemum verticillatum (Michaux) Persoon |
| Identification made in | [no date] (52), 1960 (5), 1963 (1), 2005 (23) |
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