- (T.41N; R.15W; Sect. 18) Lakeview municipal park, Manistique1
- (W. of West Olive.) Holland,1
- 0.5 mi. west 47 Mile Creek on US-2, Sec 8 T38N-R25W1
- About Lexington1
- Ada Sec 23 - Honey Creek Sanctuary1
- Adrian; n of Wolf Cr., e. of Bent Oak Hwy.1
- Aetna Twp. Sec. 19 NW1/4, T13N, R10W Seep flowing into Rosy Run Creek south side, west of Madison Rd. at 230th Ave about 1/4 mile.1
- Aetna Twp. Sec. 29 NE1/4, T13N, R10W Jefferson Rd at 230th Ave. about 1/8 mile north, east side.1
- Agnew - 9 miles - north - Holland - Dunes.1
- Aguascalientes1
- Albuquerque1
- Alma,1
- Along Basch Rd. Sec. 6 Cleveland Twp. Sleeping Bear Dunes National Lakeshore,1
- Along John Beers Road east of Rt. 31 five miles east of Stevensville,1
- Along S.E. edge of 3rd Sister Lake, Saginaw Forest, Ann Arbor1
- Along west side of Co. 669 Sleeping Bear Dunes National Lakeshore,1
- Amy1
- Ann Arbor River Bluffs1
- Ann Arbor Township, Cascade Glen,1
- Ann Arbor Twp. University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor; bordering feeder brook of Fleming Creek, just north of the barn at gate 41