Pycnanthemum tenuifolium Schrad.
Coefficient of Conservatism: 6
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Nt P-Forb

Quite local, in sandy fields, moist meadows, grassy areas, and wet prairies.

The leaves are narrowly linear; but some specimens of P. virginianum, which normally has slightly broader leaves, have them narrow enough to be within the range of P. tenuifolium. This species is nearly lacking odor.


Allegan County
Alpena County
Bay County
Benzie County
Berrien County
Charlevoix County
Cheboygan County
Gogebic County
Hillsdale County
Ingham County
Kalamazoo County
Leelanau County
Lenawee County
Macomb County
Mason County
Menominee County
Midland County
Monroe County
Muskegon County
Newaygo County
Oakland County
Ottawa County
Washtenaw County
Wayne County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 3, 2022.