15 October 2008.
Pennsylvania, United States
Locality: From Layton, cross bridge over Youghioghy River heading southwest. Make a left and follow road heading east along river. Park and walk along trail further east and south following river, Fayette County.
Coordinates: 40.0847, -79.7117
(Map it)
Environment description: Plants are scattered unevenly over a large area in places that are dense. This is a scour area with boulders and outcrops. Sandy soil among boulders and cobbles, full exposure. Herb dominated and in places has scattered woody plants.
Number of plants sampled: 325
Comment: Growing in association are Andropogon gerardi, Corcopsis tripteris, Toxicodendron radicans, Helenium autumnale, Eupatorium serotinum, Salix interior. The Panicum virgatum is definitely native.
Collector(s):