Place
- Adjuntas1
- Adjuntas.1
- Aitkin1
- Albert1
- Along Falls Creek Road, 9 miles west of Kedgwick River1
- Ashland1
- Baraga Creek, above, ca 10 mi NW of Champion1
- Bo. Cubuy, near Torito Mt., Canóvanas1
- Bull Hill, Sheffield1
- Canyon Lake Trail, Huron Mountains1
- Carp Creek Gorge, Reese's Bog, Burt Lake1
- Catlin Lake1
- Ceiba1
- Cerro de Punta, Jayuya1
- Charlevoix1
- Chattooga River, Horse Cove, near Highlands1
- Clearfield1
- Colchester1
- Connecticut1
- Contact UM Herbarium1