Common Name: ROUGH WATER HOREHOUND
Coefficient of Conservatism: *
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Ad P-Forb
A species native west of the Great Lakes, first noted in Michigan in 1892, around grain elevators at Port Huron, St. Clair Co. It is now frequent in the western Lake Erie area and local elsewhere in wet ground, especially ± disturbed shores and ditches.
B. S. Walters
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| Berrien |
| Cheboygan |
| Huron |
| Mason |
| Monroe |
| Muskegon |
| Ottawa |
| St. Clair |
| Wayne |
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March, 17, 2025
https://lsa-miflora-p.lsait.lsa.umich.edu/#/record/1558