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Roadside 1 mi NW Waldorf, Rte 228

NW of University of Maryland campus

Stand 2, Plot 1, Greenbelt Park, Greenbelt

Hillsides of bog and swamp Suitland.

North Tract, Patuxent Research Refuge, Lake Allen, jetty in middle of lake 420 feet southeast of Wildlife Loop

Rt 97 on Patuxent River along fire trail

Rosemont Brook

Sligo Parkway near 6216 20th Place, W Hyattsville

On Rte 450 between Rte. 301 and Twain Street Across from High Store

Overlea, Hazelwood Ave, Hazelwood Baptist Church, field past parking lot.

Rose Haven, Edge of parking of lot at boat docks, Lake Shore Dr. and Alabama Ave.

University of Maryland, field between parking lot #4 and University Blvd.

Field near campus, University of Maryland, College Park

Highland Rd

Near path along Potomac River opposite parking lot at Lock 19, Great Falls Recreation Area.

Off Monocacy Bottom Rd., 1.3 miles from intersection of Monocacy Bottom Rd., 100 feet from Monocacy River

Monocacy River, 1.5 mi W of Dickerson.

Great Falls, G. Washington Mill

Along River Rd at Bretton Woods Country Club, 0.2 mi E of junction of Rileys Lock Rd at crossing of Seneca Creek at Seneca (townsite).

Assateague Island

Soldier's Delight serpentine barrens, Deer Park Road near parking area, Deer Park

Soldier's Delight Natural Environmental Area, W of Deer Park Road and N of Ward's Chapel Road

Along Sandy Hook Rd, W 1-3 mi from rt 340

Along Rt 33, 0.9 mi E of St. Michaels, abandoned railroad tracks.

Patuxent City, University of Maryland Department of Agronomy experimental plot 1-S, Cooling Tower Project, Chalk Point.

Opening by sawmill or logging operations, Allens Fresh at head of Wicomico River Estuary

Serpentine barrens on and adjoining Camp Shadowbrook Girl Scout Camp, on Iakwood Road between Pilot and Oakwood

Along Gorman-Steyer Rd on N side of road above Potomac River, 1 mi SW of Steyer and 1 mi ENE of Gorman, on forested slope.

Edge of field roadside along Old Furnace Rd near intersection with Rt 12.

Key's place, Forest Glenn

Near Patapsco State Park, Arbutus

Elder

Near Friends Creek, 3 mi NE from Sabillasville, Catoctin Range

Owings Mills; Owings Mill

Grassy area, north end, St. Clements Island, Potomac River, near Colton's point.

1 mi S of Rowesville, on the farm of J.E. Fairey on Secondary 117

Under powerline, Meadow 33 off Beaver Dam Rd, Beltsville Agricultural Research Center--East.

Lawn, end of Poultry Rd, Central Farm, Beltsville Agricultural Research Center

White Salmon, walkway of the D.S. Weisner residence, corner of NE East Ave and NE Grandview

Area opposite Beck Pond, Soil Conservation Rd, Beltsville Agricultural Research Center East.

Under powerling Meadow 33, off of Beaver Dam Rd, Beltsville Agricultural Research Center--East.

swamp in woods, vicinity of airport at Agricultural Research Center-East, U.S.D.A., Beltsville

Meadow by Bldg 465, USDA Agricultural Research Station East, Beltsville

Pilot Mtns, Dunlap Canyon, 2.9 road mi SE of the main dirt road to Mina

Edge of pond on Beaver Dam Rd, Agricultural Research Center--East.

Woods in swampy place at end of Entomology Rd, Agricultural Research Center--East, Beltsville.

Roadside of Springfield Rd, East Farm, Beltsville Agricultural Research Center

Beltsville Agricultural Research Center, Central Farm, along road at S edge of Diry Research area (Plot 8) S of Beaver Dam Road N of the Wastewater Complex (Plot 9a).

Beltsville Agricultural Research Center, East Farm, abandoned airport E of Springfield Road (plot 49), along the edge of woods E of the NNW-SSE runway opposite the man-made pond at the boundary of the Patuxent Wildlife Refuge at the southern end of the ru

Beltsville Agricultural Research Center, East Farm, abandoned airport E of Springfield Rd (Plot 49) south of WSW-ENE runway near boundary of Patuxent Wildlife Refuge along the edge of the woods.