- Bethany Twp. T12N, R2W, Sec. 19 SW1/4 on N. side of St. Louis High School on N.E. side of village of St. Louis.1
- Branch1
- Burlington Twp. T10N, R11E, Sec. 9, NE1/4 at cor. of Main St. and Clarence St. in village of Clifford.1
- Cambridge, Gray Botanic Garden1
- Cameron1
- City of Grand Rapids. Across from Grand Rapids Home for Veterans (Soldiers’ Home of Emma Cole’s Flora) west of Monroe St. NE, just s. of I-96 bridge across Grand River. At mouth of Lamberton Creek and Grand River.1
- Cook1
- Detroit1
- Detroit Zoo.1
- E edge sec. 24, Milton Tp., ca. 2.5 mi. SW of Edwardsburg.1
- Flint Township. North end of parking lot behind Towne Cinema. Pierson Rd., one mile west of I-75. North side of road. T8N R6E S291
- Forestry Farm Ann Arbor,1
- G.R. [=Grand Rapids]1
- Glenwood,1
- Grant Twp. Sec. 26 SW1/4, T16N, R9W West shore of Pickerel Lake north of boat launch.1
- Gratiot1
- Hammond Farm - Pittsfield Twp.1
- Houghton1
- Illinois1
- Iosco1