- Byron1
- Corunna,1
- Corunna, Shiawassee River near "Coal bank"1
- Henderson Co Park1
- Hopkins Lake1
- Hopkins Lake Park on south highway M-52 in Owosso,1
- Hopkins Lake, Sta. No. 11
- Middlebury Twp., ca. 6 mi WSW of Owosso1
- Middlebury Twp., ca. 6 mi WSW of Owosso.1
- Middlebury Twp., ca. 6 mi. WSW of Owosso.1
- N1/2 SE1/4 sec. 25, Middlebury Tp., ca. 6 mi. WSW of Owosso.1
- No data1
- One half mile S. of Owosso.1
- One mile South of Owosso.1
- Owosso YMCA Camp. Shiawassee River.1
- Rose Lake Exp. Station1
- Rose Lake Wildlife Research Center; about 60 m east of Woodbury Rd., 0.4 mi. south of intersection with Bath Rd.1
- Sciota Twp.; T6N, R1E, Sec. 111
- Shiawassee River1
- Shiawassee River at County Park. With C. erythrorhizos and C. odoratus.1