Coefficient of Conservatism:
Coefficient of Wetness:
BROAD-LEAVED MOUNTAIN MINT
A southern and eastern species, collected north of Dayton in Berrien Co. (R. Schulenberg in 1972, MOR).
Pycnanthemum muticum differs from P. verticillatum in larger principal leaves, ± ovate, a third or more as broad as long. Several collections from Huron and Berrien Cos. may be hybrids of P. muticum and P. pilosum.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 21, 2019. https://michiganflora.net/species.aspx?id=1582.