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Rock Crevices of Mahntango shale. Localy called Elfin Gorge. Gocker creek. [spelling uncertain; could be Gooder or Gocler] Del. River Ntl. Rec. Area

1.2 mi E Jct Marrowbone creek rd and State 12 along Marrowbone Creek. Bottomland woods and ledges along creek

Woods near safe harbor

Roadside vegetation, edge of moderately wooded area, curbside vegetation

5-10 m SE of Breidenstine Hall. Mulched bed.

Wolf Is. E.; high dry woods, rocky, ca. 25 m

Off Rt. 372 at Norman Wood Bridge just west of bridge over dirt rd. near lock 12. No 310deg. facing rock house near stream in wissahickon schist 20' tall. Shade of Tsuga- Betula lenta forest.

In grass by South entrance of Osburn Hall

Wolf Island East, high, dry, woods

Roadside vegetation, outskirts of a moderately wooded area

Wolf Island East, high dry woods.

Wolf Island East (north), top of high dry sunny rocks

Wolf Island East (North), top of rock mountain

Wolf Island East (North), west shore

Wolf Island E. (North)

Grade Rock Island, near cottage [assumed to be island north of Wolf Island]

growing along a wire fence by the roadside

Wolf Is. East (North).

Upper Bear island. Dry rocks NW side of Island

MU Campus, side of small building adjacent to susquehanna house

Big Chestnut Island, southwest shore, dry woods

Wolf Is. East (North)

MU campus. Enterance to University Bookstore

Along streamside near Maury River near Blue Bird Bus works

Growing in sandy soil on an island in the Susquehanna River approximately 300m from the dock in the Washington Borough Park.

By the bridge in the Wellness Apartments parking lot, across the street from the SMC

35 W Fulton street

Growing in a sunny area with sandy soil on an island approximately 400m from the dock of Washington Borough Park.

Lawn off of Hillview Avenue by the Wellness Apartments

Upper Bear island. W. side

Weedy feild on edge of woods, .25 mi E of East Prospect

Growing on a mudflat on an island in the Susquehanna River approximately 300m from the dock in the Washington Borough Park. Growing along several Persicaria and Sagittaria spp.

. 4 mi S of Holtwood dam on river road. Weedy wooded area; shade; moist soil near river

Growing on the margin of a shrubby area behind Shenks Hall. Approximately 50 ft W of Shenks Lane.

Upper end of Lake Atsion in Wharton State Forest. This plant was found growing as a terrestrial among other bog plants.

Conejohela Flats; Along the edge of Shad Island, just west of the southernmost point of Shad Island, east of the Nelumbo population

Collected 6 mi from the junction of buck creek and nestor peak roads along buck creek road. Abundant along creek

Upper Bear island. Bog.

Upper end of Lake Atsion in Wharton State Forest. This was found fully growing as a emergent in the bog habitat among other bog plants.

Lower Bear Island. Rock out cropping along northern edge of Lower Bear Island, in vicinity of a large cluster of Amorpha fruticosa.

In marsh ca. halfway between Kings creek and Ringfield picnic area, on northern side of Yorktown Colonial Parkway

Upper end of Lake Atsion in Wharton State Forest. This was found fully growing as a emergent aquatic among other Utricularia in a floating mat.

Panther Run watershed; Bald Eagle State Forest; forest opening vernal pool

Collected at mile 2.25 steele creek road, in wet bog near columbia creek.

Recent clearcut along nestor peak road NW of nestor peak lookout tower. Ubiquitous

area of lock 12 historic park on susquehanna river. Growing on rocky island S of Normanwod Bridge. [Probably on Wildcat Island - CRHardy, 2019 May]

NW of boyer

Sicily island, SE shore near island

Border of wheat field; N side of Va. rt. 5 ca. 3.1 mi E of Jct with Co. Rt 609, and ca. 3.75 mi W of Charles city

Wolf Island East (North), east shore