Place
- Martinique1
- Matanie1
- McDowell1
- Mcintosh1
- Medford Lakes1
- Merritts swamp, Houlton1
- Mount Logan Region, near Locked Camp, Cap Chat River1
- Myakka River1
- México1
- Near Lafayette1
- Near Lake George1
- New Jersey1
- New Jersey and New York1
- Newberry Creek, 6 miles north of Old Fort1
- Nicholas1
- Nipissing1
- North Slope1
- North facing bluffs along North Llano River ca. ½ mile south of Roosevelt1
- Northern Rockies1
- Northwest Territories1