Place
- Cady Swamp [Vicinity of Ypsilanti]1
- California1
- Calvillo1
- Cameron1
- Cecil Bay, Woods road1
- Center Sec. 12 T44N-R6W ca. 2 1/2 mi. NE Trout Lake.1
- Chihuahua1
- City of Menominee1
- Clare1
- Contact UM Herbarium1
- Cook1
- Crawford1
- Darby plains 28 miles east of Urbana1
- Dearborn1
- Debring, Rupshu, Kashmir1
- Decatur1
- Dehradun1
- Delaware1
- Dilburig, Bhaga Valley, Lahul, Kangra, Punjab1
- Dillerville1