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Place
- Ann Arbor1
- Bluffs along Fish Creek near Hubbardston1
- Canada5
- Cheboygan1
- Contact UM Herbarium5
- Emmet1
- Flint,1
- Genesee1
- Ionia1
- Krakow Twp. On E. side of Old State Rd. 800 ft. NE of the Grand Lake Outlet ca. .7 mi. north of Grand Lake.1
- Mackinac1
- Michigan7
- New Brunswick1
- Newfoundland & Labrador2
- North America12
- Ontario1
- Presque Isle1
- Quebec1
- Straits valves, E. one1
- Swamp borders; Cheboygan1