Place
- Cabin John Run between C. J. and Wildwood1
- Calvert1
- Caroline1
- Cedar Hill Cemetary, 2 miles NW Suitland1
- Chesapeake Beach1
- Contact UM Herbarium1
- Cunningham Falls State Park, 3.5 mi SW of Thurmont1
- Cunningham Swamp at Western Maryland 4H center, circa 10 miles south-southeast of Grantsville1
- Cunningham Swamp. At Western Maryland 4H Center ca 10 mi SSE of Grantsville1
- Dorchester1
- Fishing Creek at bridge over Hamburg Rd Catoctin Mountain, 2½ miles NW Bethel1
- Glenn Dale1
- Harwood Pond1
- Hoyes Run1
- Loch Raven Reservoir near junction of Jarrettsville and Dulaney Valley Rds.1
- Lower end of Patuxent Research Refuge, Plot 32121
- Lower end of Patuxent Research Refuge, plot 31851
- Lower end of Refuge, Plot 2129, Patuxent Research Refuge1
- Millers1
- Monie Creek, about 3 miles northwest of Princess Anne1