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Beach Island, east shore; small bush on rocks.

On fill embankment on a gravel access road south of Richfood Road

Sicily Island, SE shore near cottage.

In grassy roadside, 300yds E of Felgate's Creek, on N side of Yorktown Colonial Parkway.

Big Chesnut Island; dry open woods.

Wolf Creek narrows, W bank, 2mi W of Slippery Rock, Pa. Small tree, forest edge.

President's lawn.

Raney island. Common on watery rocks

Raney Island. Rocks, S end.

Batty Island. Rock crevices in sun.

Just E of the intersection of Co. Rds. 2547 and 2542; dry, wooded border.

Upper Bear Island, on W shore.

Little Chestnut Island; N end.

Lower Bear Island, beach on N end.

Beach Is., rocky flat, N. end.

Beach Is., rocky flat, N. end, ca. 1.5 meters.

450 Madison Ave, York, Pa.

N of Sooy, S Rt72, 1mi; in swamp, with similarities to N. biflora Walt.

Woods along trail.

Turkey Island, NE side of island.

Batty Island. Dry sunny rock crevices

Roadside traveling S on Rt83 between Elizabethtown and Lancaster.

Model pupils [Assumed millersville state college]

S side of Cairo; edge of VanLandingham Farm pond.

Bank of the susquehanna

Beach Island, East Shore. Dock near rock overhang

Hennery Island, rocks near cottage on southeast shore

Southwest corner of campus about 20 meters behind Shenks Hall, about 10 meters away from stream.

Southwest corner of campus around 30 meters behind Shenks Hall, about 3 meters away from edge of stream.

Grassy lawn enclosed by pavement

Grassy lawn by some conifer trees

Stienman's run 1 mi east Martic Forge

McClintic WMA. Along the 7th Dike/road when heading into the WMA from the West. From saturated soil on edge of impoundment to the E of the road.

Serpentine barrens, Route 222 moist soil open field.

Collected at Blueberry Lake, Thompson Pass area, mile 23 Richardson Hwy.

McClintic WMA. Along the 7th Dike/road when heading into the WMA from the West. Pond to the E of the road. Covering the entire surface of the pond

On south facing hillside about 3 mi W of Pequea recreation area, near Susquehanna River, around limestone outcropping.

In grassy area on eastern part of eastern section of Ringfield picnic area, on northern side of Yorktown Colonial Parkway

McClintic WMA. Along the 7th Dike/road when heading into the WMA from the West. Moist edge of pond to the E. of the road

Common throughout southern half of Trout Run Nature Preserve.

unknown

Lower Oak creek near school house and Cornville, elevation 4000ft

Plot of Marine Science Consortium, SW of main gate to Wallops Is. Box. Found as seedling and understory tree.

Collected at Hurricane Gulch, Mile 174.3 Parks Highway on Salix-Sorbus scopulina shrubby ridge.

Edge of Lake Harrison; National Fish hatchery, 8mi W of Charles City.

Edge of deciduous woods

McClintic WMA. Along the 7th Dike/road when heading into the WMA from the West. Roadside from moist soil

Scrub ca. 1.0 m near stream on transmission line. Serpentine barrens hiking from Owens prop.

Beach Island, east shore, cutlivated

222 at S. end of Port Deposit. ca. .75 km S of sharp left curve along RR. Steep bank overlooking Susquehanna. Sunny moist cliff