- Southwest end of Black Lake,1
- State Road near Douglas Lake,1
- State Road, Section 16 Inverness Township.1
- Street of East Cheboygan1
- Topinabee Road, Burt Lake1
- U.S. Highway 23 north of Cheboygan1
- W side of Water St. in Cheboygan.1
- [Biological Station] Baseline.1
- along State Road. Douglas Lake,1
- east of Burt Lake.1
- east of Douglas Lake1
- field by Nelson's Greenhouse, Cheboygan (ca. 1/4 mi. SE of State Street Bridge).1
- in Black River, T37N, R1W.1
- in Cheboygan,1
- near Camp Davis Douglas Lake.1
- near Indian River,1
- near Mud Lake,1
- near Riggsville,1
- north of Burt Lake,1
- north of Douglas Lake,1