- East side of Heart Lake, ca. 5½ mi. SE of Boyne Falls.3
- Garden Island, Lake Michigan.3
- Hog Island3
- Northeast of Clarion, along Bear Creek.3
- Whiskey Island3
- Whisky Island3
- near center NW1/4 sec. 28, Hudson Tp., ca. 5.5 mi. SE of Boyne Falls.3
- Along Lake Michigan at Ninemile Point2
- Along shore of South Arm of Lake Charlevoix, Eveline Twp., ca. 2 mi. SE of Ironton.2
- At Dyer Lake, Eveline Tp., ca. 3.5 mi. SE of Ironton.2
- At Dyer Lake, Eveline Twp., ca. 3.5 mi. SE of Ironton.2
- Beaver Island T.38N R.10W Sec. 26 on Hannigan RD. 1/2 mi. W. of East Side Drive2
- Beaver Island, just NW of Firetower.2
- Contact UM Herbarium2
- Eveline Tp., ca. 3 mi. SE of Ironton2
- Garden Is.2
- Lake Michigan, 2 miles north-northeast of Charlevoix2
- Lake Michigan, 2 miles north-northeast of Charlevoix.2
- Springvale Tp. ca. 5.5 mi. SE of Conway.2
- St. James Twsp., Beaver Island2