- ca. 9 mi. NE of Norway2
- ca. 9 mi. NE of Norway.2
- west of Norway2
- Along County Road 396.1
- Along Sturgeon River near Poster City1
- Bog Creek, northwest of Milford1
- Channing, 1 mi NE, along Rte M-951
- Channing, 2.0 mi S, along Rte 951
- Detroit1
- E side of lower Gar Lake1
- East of Norway1
- East of Randville, along M-69.1
- East side of Hwy M-95, about 120 m south of Marquette Co. line opposite intersection with small gravel road.1
- Edge of coniferous woods, ca. 11 mi. NE of Ralph.1
- Frog Brook, north field, Lakeside Laboratory1
- Growing along Co. Rd. 396. NW1/4 Sec 24 T40N-R29W1
- Hylas, near1
- Iowa Lakeside Laboratory Grounds1
- Kansas1
- Lake Antoine1