- Edge of road, University of Michigan Botanical Gardens, Ann Arbor.1
- Elmer Twp. T28N, R2E, Sec. 3 NW1/4 about 3/4 mile southeast of West Fish Lake ca. 10 miles south of Atlanta.1
- Fife Lake1
- GR [= Grand Rapids]1
- Gladwin1
- Glenwood1
- Grand Rapids1
- Houghton1
- Huron River, Ann Arbor.1
- Iron1
- Isle Royale National Park. Lake Richie trail.1
- Lenawee1
- Mason1
- Monroe1
- NW1/4 sec. 15, T43N, R29W, ca. 8 mi. ESE of Channing.1
- Near Hoister Lake, NW 1/4 sec. 9, Sherman Twp., ca. 11 mi. NW of Gladwin.1
- Near Orion1
- North shore of Burt Lake1
- On summit of East Bluff1
- Otsego1