- Lynfield Center.1
- Maidstone Tp, lots 18 & 19, Conc VII, woodlot south of Hwy 401.1
- Malden Township, Big Creek Marsh.1
- Malden Township, Holiday beach provincial park, Lake Erie, 8 miles southeast of Amherstburg.1
- Malden Twp, Big Creek shoreline of Lake Erie, near dam west of Holiday Beach Provincial Park.1
- Maplewood1
- Mersea Township, 6.5 km WNW of Wheatley Post Office, "Comptonia Woods".1
- Mersea Township, Leamington White Oak Woods, E.S.A., 6.9 km NE of Leamington Post Office.1
- Mersea Tp, Point Pelee National Park.1
- Mersea Twp. Point Pelee National Park.1
- Middle Island, Lake Erie, 2 1/2 mi. S. of Pelee Island, just N. of US-Canada boundary.1
- Middle Sister Island, Lake Erie.1
- Mount Marcy.1
- N side Merrimac R. mouth1
- NE of town at Jn of Lufkin Rd & Harlow St.1
- Near Sandwich, Canada West.1
- Newark1
- Newburyport, in salt marsh along Parker River 1/4 mi upriver from Rt 1A bridge.1
- Ojibway Prairie Nature Reserve, S. side of Windsor S. of Titcombe Rd. between Matchette & Malden Sts.1
- Pelee Island, Fish Point, north end, east side.1