- Flint.2
- Mt. Morris,2
- North side of town of Flushing, in vacant lot east of McKinley Rd. 0.4 mi. south of intersection with Coldwater Rd.2
- SW side of Flint, about 1.7 miles N. of M 56 to Owosso on W. side of I 75, NE corner of section 9, T7N R6E.2
- W. side of O'Leary Rd., 0.25 mi. N. of Pasadena Rd., 1.0 mi. W. of Lavelle Rd.2
- ca. 2½ miles north of Clio.2
- Akron Reservoir, Chick Rd., Darien1
- Along Elms R. between Potter and Beecher Rds near Flushing.1
- Along Elms Rd. between Potter & Beecher Rds near Flushing.1
- Around and on island at southern edge of Silver Lake, W. of Fenton.1
- At US-23 reststop near Lahring Rd. in SW Gen. Co.1
- At junct. Of Irish-Lapeer Roads, east of Flint.1
- Bergen Swamp1
- Bergen Swamp, Bergen.1
- Coldwater Road behind Dr. Pace's House on trail, T8N R8E S17 NE1/4 of SE1/4.1
- Contact UM Herbarium1
- Convent yard. St. Michaels Flint1
- Court St. in Davison, between Gale and Irish Rds. Open field across from Windsor Place entrance.1
- Fenton.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