- Ottawa1
- Pte. MouillÄe State Game Area1
- Rainy River near Black Lake1
- Reed's Lake [Grand Rapids]1
- Riverbrink Park, Ypsilanti1
- Roscommon1
- Sec 2 T49N-R29W North of Wildcat Canyon1
- Seney National Wildlife Refuge, at NE end of C3 Pool.1
- South Manitou Island, off road east of the south end of Lake Florence.1
- South of Burt Lake.1
- St. Helena Island1
- T23N, R5W, Sec. 35. Muskegon River Basin.1
- Union Lake1
- University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi northeast of Ann Arbor1
- University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi. northeast of Ann Arbor. Roadside Cattail area.1
- Vergennes.1
- Vic. of Fruitport1
- Waterloo Twp.; T1S, R2E, Sec. 171
- Wayne1
- [Garden Island]1