Place
- Miller.1
- Missaukee or Roscommon1
- Mississippi1
- Montcalm1
- Montgomery1
- Morgan1
- Mystery Valley Karst Preserve, central valley.1
- N roadside of M-93. 0.6 mi. SW of M-93 and M-72 intersection. T26N, R04W, Sec. 14 SE1/4NE1/41
- NW shore of southernmost bay of K P Lake, NE1/4 sect. 33, T28N R2W, ca 2 mi. WSW of Lovells.1
- Near south end of Sapelo Island.1
- Nebraska1
- New Jersey1
- Newton1
- Norman1
- Oakland1
- Oberlin.1
- Ontonagon1
- Oxford1
- Palo Alto, Embarcadero Road.1
- Pennsylvania1