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Idylwild Wildlife Management Area, along dirt road parallel to Marshy Hope Creek

Eldorado; Puckum Road at Puckum Branch

Town of Crownsville, along I-97 just north of Hawkins Road

S of the town of Bethel, along Airport Road (Road 494) at Tussock Pond, Under powerline right of way

Hyattsville; Agar Road

Bodkin Creek, at the end of Main Creek near the end of Maywood Ave.

1.1 mi S of Rt. 9/404 on Industrial Park Blvd.

1 mi W of S end of Ocean City

Town of Lexington Park, at Patuxent River Naval Air Station, power line right of way parallel to West Patrol Road

Town of Severna Park, Cypress Creek "Swamp" west of MD Rte 2, Governor Ritchie Highway, south of Cypress Creek Road

Frank Tippett Road near Commo Road

Cheltenham Wetlands Park, roadside in Parcel B. Also in the swamp.

Carroll Rd in open woods near overlook of horseshoe bend in Potomac River

At intersection of Carrol and Old Town Roads

S. foot of Piney Mtn., Catoctin Range

On Carroll Rd. at overlook above horseshoe bend of Potomac R.

Lautz, Catoctin Range

Foot of Piney Mtn., Catoctin Range

In dump along Sewage Treatment Plant, ca. 1000 ft W of Meadow Dr, Alden

Along MD Rt. 152, Fallston Road under the power line just N of MD Rt. 147 Harford Road.

Road to Cuicatlan, Oaxaca 131, 18.9 mi N of junction with Hwy 190 at Telixtlahuacan

22.2 mi ESE of San Luis Potosi on Hwy 70

State Hwy 175, 38.8 mi N of Ixtlan de Juarez (towards Tuxepec)

State Hwy 175 to Tuxtepec, 10.75 mi W of junction with Hwy 190 just E of Oaxaca

Edmonston; Mill Race N of Wells AR. Edmonston

In exposed cliff crevices of Tuscorora sandstone at upper and mid-elevation. W slope. Cumberland Narrows

Williamsport; Along C&O Canal path near lock, end of Canal street at Potomac River near power plant

College Park; University of Maryland Colelge Park campus, near parking Lot 4

Greenbelt; Across Edmonston Rd. from Greenbelt Junior High School, near intersection with Breezewood Drive

Cambridge; Near Tidal Creek at Horn Point marsh

Quadrate: Millford NE, E; 38.966389 -75.364722

Next to Rhode Island street car tracks near Paint Branch

Elkhorn garden, growing along the edge of the garden

City of Frederick Municipal Forest, Gambrill Park Road, between Delautier Road and Foxville Tower Road, on R leading to two ponds

Along road on bridge causeway, Rte 611, Assateague Island

Just N of Riggsville Road near Carp Creek Gorge

Arbor Vitae Swamp just S of Iron Bridge at Carp Creek

On E side of Mud Lake

3 miles E of Indian River

At Iron Bridge, Intersection of Carp Creek and Hogsback Road

Just S of Hogsback Road at Iron Bridge

Near base of Roundtop Hill near Potomac River. Ca. 3.5 mi SW of Hancock

High Germany Hill north-northeast of Little Orleans, 0.3 mile northeast of Little Orleans and 1.2 mile southwest of the junction of Zeigler Road along High Germany Hill Road

Old Furnace Rd. across from ruins of Nassawango iron furnace

Assateague Island. SW of McCabe house; National Seashore, N of state park

Skycroft; Lake Opinicon

Assateague Island. To south end ca. 2 mi N of Virginia line. National Seashore

Patuxent Research Refuge--North Tract--Main Gate at Welchs Creek; Bald Eagle Drive, near Main Gate, 600 feet south of Fort Meade Road (Maryland State Highway 198)

S of Riggsville Road near University of Michigan Biological Station entrance

Shore of Sturgeon Bay