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World Checklist of Selected Plant Families (WCSP)



Brachystemum Michx., Fl. Bor.-Amer. 2: 5 (1803).

This name is a synonym.

Accepted Name: Pycnanthemum Michx., Fl. Bor.-Amer. 2: 7 (1803), nom. cons.
Family: Lamiaceae
Original Compiler: R.Govaerts