Pycnanthemum muticum (Michaux) Persoon var. muticum . Phen: Jun-Aug; Sep-Oct. Hab: Bogs, wet meadows, moist to wet forests. Dist: NJ and MO south to FL and LA.
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. – Ar, C, F, G, GW2, Il, K1, K3, K4, Mi, NcTx, NY, Pa, RAB, Tat, Tn, Tx, Va, Chambers & Hamer (1992)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
- Great Plains: UPL (taxonomic split from wetland indicator species)
- Midwest: FAC (taxonomic split from wetland indicator species)
- Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)
Heliophily: 8
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