Explore

Cornfield, South Farm, Beltsville Agricultural Research Center

Laurel, off Contee Road between Route 1 and Van Dusen Road.

New Hampshire Avenue, Silver Spring, Maryland

1 mi down Fairwood Dr. left hand side of road 100 yards behind the houses.

Brown Station Rd and Lords Landing Rd, adjacent to Marlborough Country Club Golf Course

Piney Branch Bog. ENE of La Plata, under powerline N of La Plata Road (rt 488) and S of Billingsley Road

Cunningham Swamp, N of Cunningham Lake and N of Pleasant Vally Recreation Center, W of Rte 495 N, NW of Meadow Mountain

Adjacent to Berkeley Apts

Town of Easton, MD Rte 331, Dover Bridge Road, W of Dover Neck Road, S side of road

Town of Preston, at the W end of Railroad Avenue near Lednum Avenue

Field at end of Willow Bottom Rd in Columbia

Along C&O Canal below town of Glen Echo

N of Trolley bridge

Patuxent River Road (unpaved), 1.5 miles from Research Center headquarters

Flag Ponds Nature Park on the bay just N of the nuclear power plant, side of gravel road below steep hill

Woods at NW side of Nanticoke River, Rt 313, across from Sharptown.

W of Laurel. Electric power line Section X

Along edges of Whitfield Chapel Rd, near MLK Hwy

Town of Grasonville, growing along the ramp between U.S. Rte 50 and MD Rte 18 just E of Kent Narrows

1 mi N Charlotte Hall, Rt 5

Suitland Bog. Growing inside fenced enclosure 5 meters north of the exposed gravel bog

U.S.D.A. Research Center near Telegraph Road

Forestville

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

College farm, M.A.C, College Park

Siloam

Flag Ponds Nature Park, on the bay just north of the nuclear power plant. Near the Buoy Hotel

Roadside near creek end of Riggs Rd

Iselin

Horn Point Pond

5.6 mi SSE of Lexington Park, Elms Cooperative Wildlife Management Area, Bay Forest Road, appx. 0.6 mi E of intersections with Rte 235

Along Northeast River at Seneca Point, about 0.5 mi SW of Charlestown

Greenbelt; black gum-oak-heath stand. Stand 1, Greenbelt Park

Old house site, S-central portion of Great Egging Island, Sinepuxent Bay, National Seashore, Assateague Island

Ridgeville

Patuxent River at MD Rte 4, N of bridge

Woodstock; Old Frederick Rd

Severna Park

Electric power line, SW of Laurel

Rte 1 and Patuxent River

Lewisdale

Laurel Brook

on Carroll Rd., at edge of woods near Potomac River Overlook, Allegany County

10 m S of Contees Wharf Road, 0.75 mi E of Muddy Creek Road

Southaven Peninsula

Beachwood Park on Beachwood Park Road and Bridge Road, Magothy River

Beachwood Park Wood and Magothy Bridge Road, Magothy River

U.S. Rte 1 - FL Rte 5, Dixie Highway, at Smith Grade Road, S of gravel road

Along MD Rte 33, Saint Michaels Road, W of Leehaven Road

Federalsburg, along MD Rte 318, Federalsburg Highway, 0.25 mi W of Wright Road