- ca. 2½ miles north of Clio.2
- 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
- Forest Tp., ca. 1.2 mi. NW of Otisville1
- Forest Twp., ca. 1.2 mi. NW of Otisville.1
- Genesee Twp, ca. 1 mi SW of Rogersville1
- Genesee Twp., ca. 1 mi. SE. of Rogersville.1
- Genesee Twp., ca. 1 mi. SW of Rogersville.1
- Goodrich, behind house at 8150 Kearsley Street.1