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Southern edge of a ditch that would have been filled with water a few months prior. Open areadirectly north of the barn.

Individual seen from a platform overlooking a field. Platform access from meandering path through woods N of the old creamery.

Raney Island, low rocky woods near river level

Along path that meanders through the woods to the north of the old creamery.

Individual found along the boardwalk that meanders through the woods to the north of the large barn.

Hennery Island, west shore near cottage

6 mi. SE of Danville, Pa

Individual found at our campsite in the Caribou Loop just off of Riley Creek Campground Center Rd. Species was found throughout the area.

Found in our campsite located in the Caribou Loop just off Riley Creek Campground Center Rd. Species common throughout the surrounding area.

Upper Bear Island, west side near R. maximum

Turkey Island, distrubed area south of cottage.

Big Chestnut Is., plant with four leaves per node, growing in sand on east side.

Individual found at our campsite in the Caribou Loop off of Riley Creek Campground Center Rd. Species was seen throughout the park.

Slippery Rock Creek narrows W of Camp Crestview, 2 miles SW of Slippery Rock, Butler Co. Pa.

Found flowering throughout the small island in the SE corner of a dystrophic forest-bottom pond approx. 1/3 mi. upstream from the stream adjacent and SW of Powerhouse Rd., just S of the Safe Harbor park.

467 N. Maple St., Ephrata, Pa.

Cocalico Cr. Rd. Millway Pa.

Submerged along banks of Chena River. ~60m WSW of the parking lot to the SW of the intersection of University Ave. and the river.

Moist Meadow, 1/2 mile north of East Prospect, uncommon

From road up over tracks down hill across trout run, up right side along patch

Collected on Stone Mill Rd., 0.5 miles west of Rt 462. Plant located along banks of Conestoga. Area shaded, soil dry, plant[s] few (25).

Shenks Ferry. West side of creek. 1/4 mile south of Bridge. Wet, muddy, shady habitat. Few.

NE corner of Horseshoe Lake, just off of Horeseshoe Lake Trail. In the vicinity of the Wilderness Access Center and campgrounds.

One half mie above Pequea on Rt. 324

A1.Growing on the bank of the Conestoga River on a relatively flat floodplain. The Conestoga will overflow its banks approximately 30m up the floodplain in periods of heavy rain.

Shenk's Ferry- R.R. prop.

Shenks Ferry. East side of creek. 50 feet south of bridge. On moss covered rock. Several.

In vicinity of Lake Grubb near Silver Spring

4 Miles NW of Fiarfield Pa, tree farm no.1 moist woods

Collected at Batsto Methodist Church, at the canal.

Montandon, Pa.

Large colony forming mats on shady seepage over large, steep rock outcrop on the south-southeast-facing slope of Long Spur Ridge at ca. 2000' (just north of logging road that curves around the ridge at ca. the 2150' contour); Thompson River Gorge; P.O. Sa

South entrance of SMC

Large colony forming mats on shady seepage over large, steep rock outcrop on the south-southeast-facing slope of Long Spur Ridge at ca. 2000' (just north of logging road that curves around the ridge at ca. 2150' contour); Thompson River Gorge; P.O. Sapphi

Box 141 Conestoga Rd no. 2.

rare at yacht club-waters edge Island in Susquehanna N. of indian Steps- Otter Creek.

Walnut Hill Rd. at Little Conestoga ca 2 mi S.W. Millersville

Growing in sand in salt marsh at S. end of Stone Harbor NJ.

Growing in dry soil adjacent to Holtwood power Co. Parking lot

Along swamp edge, Rt. 70 at Friendship creek bridge, ca. 2 mi E of US 206

1000ft east of Clovis Ridge Road

Furnace Hills-across from Leb. Pump. Sta.

Haines glen, south end of lancaster county

Tundra plant community on the southern slope of Mt. Thorofare, just to the N of the Eielson Visitor Center. Within view of Denali.

Unnamed pond on the right of Chena Hot Springs Rd. at about mile marker 28. Dirt road off of paved road lead to a pull-off area ~20m off paved road. Pond was access by a small path.

Moist wooded area at end of schoolhouse rd. Greshville.

Ellendale Swamp-S. end, Del.

Ellendale Swamp-S., Del.

Haines glen off rt 222S near susquehanna river. On steep bank along road

Rt. South 27, near 180 mile distance marker to Miami, north of Sandy, grass field. Several