- Leelanau Twp, Soper Natural Area, one mile SW of Northport on Johnson Rd., 50 m into swamp from Johnson Rd 0.4 mi west of M-22 intersection.1
- Leon1
- Leoni Twp.; T2S, R1E, Sec. 141
- Maine1
- Manistee1
- Massachusetts1
- Mawphlang1
- Michigan Department of Natural Resources Hougton Lake Wildlife Research Area (Porter Ranch) ca. 6 km. sw of Houghton Lake.1
- Middle Bay1
- Midland Protestant Cemetery1
- Mt. Katahdin1
- Mt. Lookout1
- Mt. Male near Porvenir1
- Mt. Washington, White Mtns.1
- Mud Lake1
- Muskegon1
- NE. corner of Mud Lake sec.24, Whitney Twp.1
- NE1/4 NE1/4 sec. 30, T46N, R36W, ca. 11.5 mi. NW of Gibbs City.1
- Near Palms.1
- Near Springfield1