- Near Douglas Lake1
- Near Mullet Lake Village. M. C. Railway1
- North Fishtail Bay. Douglas Lake,1
- North end of Burt Lake1
- North shore of Burt Lake1
- Pine Point, Douglas Lake1
- Riggsville Bog1
- SW side of McLavey Lake, Forest Tp., ca. 5.5 mi. SW of Tower1
- Sandy shore of Douglas Lake1
- Sedge Point Douglas Lake1
- Sturgeon River, roadside park, 3 miles SW of Wolverine1
- Swamp borders; Cheboygan1
- U.B.S.1
- University of Michigan Biological Station, along Indian Trail Rd., S. of Riggsville Rd.1
- Walker Twp. Lake 16.1
- Wawatam Twp. At base of old D. & M. dock 150 ft. S. of Shelphlers Marina on the E. side of Mackinaw City. Emmet Co. [Mackinaw Twp., Cheboygan Co.]1
- Wawatam Twp. At W. end of old D. & M. dock 150 ft. S. of Shephlers Marina on E. side of Mackinaw City. Emmet Co. [Mackinaw Twp., Cheboygan Co.]1
- West shore of Burt Lake1
- West shore of Mullet Lake, near Topinabee1
- [Mackinaw] Wawatam Twp. At base of the old D. & M. dock 150 ft. S. of Shephlers Marina on E. side of Mackinaw City.1