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C & O Canal, S of Lock Number 11, Piedmont

Choptank River, just S of Little Gravelly Creek, Coastal Plain

Tidy Island Creek N of Henderson, Coastal Plain

Robert M. Watkins Regional Park, floodplain of tributary to Western Branch

Mountain Lake Park, ditch on S side of Route 135, Allegheny Plateau

Myrtle Grove Wildlife Management Area, E of Route 225, below Myrtle Grove Lake near canal, Coastal Plain

Paw Paw Wildlands, Potomac River terrace, Ridge and Valley

Mattawoman Creek, slope to the N of Route 227, W of Mattawoman Creek and approximately 1.0 mi E of the junction of Route 224 and 227 at Pomonkey, Coastal Plain

Patuxent Wildlife Research Center, approximately 200 yards W of River Road, about 500 feet SE of 90 degree bend in road and 1500 feet N of Island Marsh, Coastal Plain

Goat Hill serpentine barren

Martin Mountain, S end off Mill Run Road under large powerline, Ridge and Valley

Timmonstown Branch

1.0 mi N of Seavolt Road, S of Roundtop Hill, W side of old railroad grade, Ridge and Valley

Cunningham Falls State Park, glade above the falls, Blue Ridge

Alexandria, Jones Point Park, S side of Woodrow Wilson Bridge, about 0.15 km SE of intersection of Royal Street and Jones Point Drive

E slope of Sideling Hill, along powerline parallel to US Route 40, Ridge and Valley

McKee-Beshers Wildlife Management Area, along N edge of Hunting Quarter Swamp, Piedmont

0.1 mi N of Haley's Bridge on E side of Route 730

Chapmans Landing Forest, along Potomac River, Coastal Plain

Chapman's Landing Forest, along the Potomac River, Coastal Plain

just S of George Washington Memorial Parkway, E side of ravine containing Donaldson Run

Robin's Creek Preserve, along Robin's Creek, Coastal Plain

Buck Lodge Road bog, beneath powerline, Coastal Plain

Buck Lodge Road Bog

Purse State Pk, Potomac River

Nassawango Preserve, The Nature Conservancy, Mount Olive Church Road, E of Sturgis Creek, W of Nassawango Creek and 0.6 mi N of the confluence of Sturges Creek and Nassawango Creek, Outer Coastal Plain

1.0 mi SW of Sharptown, MD Route 313 (Sharptown-Mardela Springs Road) at Plum Creek

South McMahon's Mill, Potomac River, Ridge and Valley

Backbone Mountain, on Pheasant Ridge, Allegheny Plateau

Mountain Bog along Cherry Creek S of Pleasant Valley 4-H Club

Soldiers Delight Natural Area

Hoyes Run, S of Sang Run, N of Swallow Falls near intersection of Oakland-Sang Run Rd

Coastal Plain

Chesapeake State Forest, Eden Quad, 2.0 miles SSW of the town of Eden and 0.6 miles SE of the intersection of Eden Allen Road and Allan Road, large powerline Right of Way

Severn Run Natural Environmental Area, S of Glen Burnie about 4 miles N of Dicus Mills Road along creek

Severn Run Natural Environmental Area S of Glen Burnie ca. 4 mi. N of Dicus Mills Rd. along creek

EA Vaughn Wildlife Management Area, 1.6 miles SE of the town of Girdletree, N side of Scarboro Creek, S of Delmarva Bays

Whiskey Hollow, S of road, W of the spring on N side of road

along Potomac River

Denton Quad, 1.9 miles N of Ridgely, along N side of Race Track Road, 0.6 miles E of the intersection of Race Track Road with Rt. 312

southeastern Ellerslie, mesic ravine of tributary to Wills Creek, Ridge and Valley

S Ellerslie, ravine off tributary of Willis Creek, Ridge and Valley

Martinak State Park, seepages flowing into Choptank River, Coastal Plain

Blackwater National Wildlife Refuge, Smithville Road, 2.7 mi from junction with Route 16, Outer Coastal Plain

N side of Route 1 just E of Merry Knoll Lane, old pull out

Nanjemoy, S of Hancock Run Road by stream crossing

Plum Creek Natural Heritage Area, along N bank of Plum Creek, NW of Oldfield Point Road bridge, about 150 yds from bridge along shore, approx midway between bridge and house

Plum Creek NHA site #1, along N bank of Plum creek, NW of Oldfield Pt. Rd. bridge about 150 yds from bridge along shore approx. midway between bridge and house

Liberty Reservoir, W facing bluff adjacent to Liberty Dam, Piedmont

Lloyd's Creek off Sassafras River