https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:{366F1EA8-037D-41BA-A478-CB5F756FFE17}
Pycnanthemum muticum (Michaux) Persoon var. 1 . Phen: Jun-Aug; Sep-Oct. Hab: Bogs, wet meadows, moist to wet forests. Dist: NH and MA south to NC and SC.
Origin/Endemic status: Native
Taxonomy Comments: A diploid, tetraploid, and hexaploid (?) species (n = 20, 40, ca. 54), under study by D.B. Poindexter.
Synonymy: < Koellia mutica (Michx.) Kuntze – S; < Pycnanthemum muticum (Michx.) Pers. – C, F, G, GW2, K1, K3, K4, NE, Pa, RAB, Va, Chambers & Hamer (1992)
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