| Name | Pycnanthemum beadlei (Small) Fernald |
| Authorship | (Small) Fernald |
| Rank | Species |
| Placed in | Pycnanthemum |
| Citation | 1937 Rhodora 39(467): 446 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Pycnanthemum beadlei (Small) Fernald |
| Identification made in | [no date] (2), 1990 (7), 2005 (3) |