- Pigeon, ca 2 mi SSW of; Winsor Twp1
- Pointe aux Barques, along shore of Lake Huron1
- Port Austin.1
- Port Crescent State Park day use area. Just south (inland) of second (last) dune ridge of Lake Huron beach, about 350 m west of mouth of Pinnebog River.1
- Port Crescent.1
- Rocky soil, Pointe Aux Barques.1
- S of Harbor Beach, near Lake Huron shore at Wagener Twp. Park.1
- Saginaw Bay, Wildfowl Bay Island.1
- Sebewaing, along railway1
- Sebewaing.1
- Stony Island, Saginaw Bay.1
- Tree Farm, Bayport.1
- Unionville1
- Wagener Twp, Park, South of Harbor Beach1
- Wild Fowl Bay.1
- Wilderness Arboretum, Hume Township, ca. 14 mi. NW of Bad Axe.1
- Wilderness Arboretum, ca. 14 miles NW of Bad Axe1
- Wilderness Arboretum, ca. 14 miles NW of Bad Axe, sec. 7, Hume Township1
- Wingham.1
- Winsor Tp., ca. 2 mi. SSW of Pigeon1