Explore

Powerline W of Contee

Slightly past Glen Echo in the forest area to the left off of McCarthur Blvd. going away from D.C. and towards Potomac, just before the Cabin John Bridge.

Bethesda; Parkwood drive behind houses

Plant Industry Station; Beltsville.

U.S. Plant Introd. Garden, Glenn Dale

Town of Salisbury, Henry S Parker Athletic Complex, Naylor Mill Road

Town of Gambrills, along MD Rte 32, Patuxent Freeway at MD Rte 3, Crain Highway

Powder Mill Community Park on Powder Mill Rd near the interchange of I-95 and I-495, hillside overlooking Paint Branch.

Along MD Rte 331, Dover Bridge Road about 0.25 mi W of the Choptank River

Along MD Hwy 51, 1 mi east of Spring Gap and 0.7 mi west of the junction of Buckley Road, about 6.5 air miles south-southeast of Cumberland

Flood Plain - Patuxent River & Canal - at Toms Run

Potomac; 19 Plummers Island

College Park; Along Paint Branch Creek by Rte 1

Cedarville Road at Mattawoman Creek just W of Country Lane

Lake Watauga on Hwy 321. 4.5 mi W from intersection with Hwy 67

U. of Md. campus, College Park, Md.

1/2 mi S of Cherokee National Forest boundary on Hwy 91

S of Oakland, Table Rock Road S of U.S. Rte 50, George Washington Highway, at Table Rock Road

Choptank River, E side and N of Christian Park

At the end of Cockey Mill Road at the Liberty Reservoir

Canal above Chain Bridge

Solley Cove, Marley Creek near the mouth of Furnace Creek. Growing along Bohemian Beach Road

Suitland Bog Natural Area, Suitland Road and Suitland Parkway

Big Run Road between New Germany Road and Savage River Road

in woods on U. of Md. campus

Douglas Point, PEPCO property, along MD 224, near the Potomac River, ca. 1.5-2 mi S of Liverpool Point, Rd., Nanjemoy

Hermig Creek

NE of Snow Hill, Whiton Crossing Road at the Pocomoke River, area along the edge of flood plain of the river, roadside.; 38.287022 -75.363131

U.S. Plant Introd. Station, Glenn Dale

Hyattsville; Off University Blvd

500 yds NNE of beacon at S entrance to Knapps Narrows, dredge 8

Assateague Island. At S side of bridge causeway near bridge; National Seashore

Off of a Beltway exit ramp - East

Off Viersmill Rd., 3 mi S of Rockville

Near Duke of Marlboro Country Club Upper Malboro

Along Furnace Road at Nassawango Creek Crossing, 1 mi WSW of MD Hwy 12, about 4.5 air mi NW of Snow Snow Hill

Zekiah Swamp, at MD Rte 6, La Plata New Market Road, Rogers Mill

N of Maryland Route 611 (Stephen Decatur Highway), about 0.5 mi. E of S Point Road, 6 mi. SE of Berlin

Zekiah Swamp, at MD Rte 6, La Plata New Market Road, Rogers Mill, on SE side of bridge

Washington DC: 42nd St. behind hedge separating field before woods from garden plots.

Bedarville Bog, Cedarville State Forest, NE of Forest Rd. and S of walking trail, NE of Malcom ca. 1.1 mi

Wet shore of Potomac. 1.8 m., course 42° from Indian Head

Serpentine barren on and adjoining Camp Shadowbrook Girl Scout Camp, on Oakwood Rd between Pilot and Oakwood.

MD Rt338, 1 mi NW of Rowlandsville at junction of Rt 338 and bridge over Octoraro Creek and road to Rowlandsville above and to W of road.

Electric Power Line Section IV. W of Paint Branch School

Small Island in Potomac 50. yds NW of Theodore Roosevelt Island

Urieville Community Pond on MD Rte 213

Crypress Creek "Branch" just W of MD Rte 2, Ritchie Highway ca. 0.25 mi S of Cypress Creek Road

College Park, University of Maryland campus, next to sidewalk adjacent to Regent's Drive Garage and ball field. Ca. 60mm from Stadium Dr.

Cattail Creek Pond Natural Area, at MD Rte 2, Ritchie Highway