- Chesapeake Beach1
- Chesapeake Beach.1
- Chester1
- Chevy Chase1
- Chevy Chase Lake.1
- Choptank River, Red Bridges Road, Christian Park.1
- Cove Point Marsh, barrier wetland at Cove Point, along the Chesapeake Bay.1
- Cove Point, along the Chesapeake Bay.1
- 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
- Dicus Mill Road at Gambrills Road1
- Ditch across and south of Buzzy County Store (near Scotland) along Rt 5.1
- Dover Bridg Marsh, Dover Bridge Road, MD Rt. 331, at the Choptank River.1
- East bank of Severn River, 1 1/4 miles NE Annapolis.1
- East of Brunswick, Rt 464, Point of Rocks Road, at Catoctin Creek, along Ausherman Road.1
- East of Whiton, Whiton Crossing Road at the Pocomoke River, on the east side of the river.1
- Fenwick Island.1
- Fishing Creek at bridge over Hamburg Rd Catoctin Mountain, 2½ miles NW Bethel1
- Fishing Creek, Catoctin Mountian, 2.5 miles NW of Bethel1