- Nigger Pt., Saginaw Bay, ca. 2.5 mi. NE of Linwood.2
- Pinconning State Park2
- Waterworks Park, Bay City2
- Woods behind beach along Saginaw Bay.2
- median of Interstate 75, 5.5 miles north of junction with M 25 and US 10 (to downtown Bay City).2
- on the S.W. corner of M-15 and Columbus Rd. ca. 1.5 mi. S.E. of Bay City. Bangor Twp. T14N, R5E, Sec. 27 SE1/42
- Bay City State Park, Bay City,1
- Bay City State Park, Bay City.1
- Bay City, Near 805 Burns St. Essexville1
- Ca. 1.5 mi. NE of Mt. Forest.1
- Edge of Lake Huron, Pinconning1
- Edge of Lake Huron, Wenonah Beach, Bay City1
- Frankenlust Twp, Abundant throughout.1
- Hampton Twp. On S. side of M-25 7 1/2 mi. E. of Bay City W. of Mallette Rd.1
- Hypercium pond, ca. 5 mi. n. Youngstown1
- Kawkawlin1
- Kawkawlin.1
- Lake Huron near Linwood.1
- Lake Huron. Linwood.1
- Lynn Haven, Bay County1