Vascular plant species in Nottingham County Park
Anonymous (not verified)
Protecting the Unionville Barrens: Biological, Historical and Value Considerations
Anonymous (not verified)
Preliminary reserve design for Sugartown Serpentine Barrens
Anonymous (not verified)
Vegetation response to prescribed burning on a serpentine barren (Pilot Barrens, Maryland): preliminary results
Anonymous (not verified)
Draft element stewardship abstract: temperate eastern North American serpentine barrens
Anonymous (not verified)
National Natural Landmarks review form: Unionville Serpentine Barrens, Chester County, Pennsylvania
Anonymous (not verified)
Plants identified on 73 visits to 32 serpentine sites in Pennsylvania and Delaware, 1982-83
Anonymous (not verified)
Floral inventory of the Goat Hill serpentine barren
Anonymous (not verified)
Preliminary Report on the Chromite Occurrence at the Wood Mine, Pennsylvania
Anonymous (not verified)