Negative mycorrhizal feedback and plant species coexistence in a serpentine grassland Read more about Negative mycorrhizal feedback and plant species coexistence in a serpentine grassland
Fire and vegetation dynamics in the eastern serpentine barrens Read more about Fire and vegetation dynamics in the eastern serpentine barrens
Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware Read more about Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware
The history of chromite mining in Pennsylvania and Maryland Read more about The history of chromite mining in Pennsylvania and Maryland
Evaluation of the Nottingham Park Serpentine Barrens, Chester County, Pennsylvania Read more about Evaluation of the Nottingham Park Serpentine Barrens, Chester County, Pennsylvania
Inventory of historical and extant, native, persistent, unplanted grasslands and meadows in Pennsylvania Read more about Inventory of historical and extant, native, persistent, unplanted grasslands and meadows in Pennsylvania
Site action plan for Goat Hill Serpentine Barrens, Chester County, Pennsylvania Read more about Site action plan for Goat Hill Serpentine Barrens, Chester County, Pennsylvania
Rare species form — Gentianopsis crinita, Robert E. Lee Park, Maryland, 13 October 1988 Read more about Rare species form — Gentianopsis crinita, Robert E. Lee Park, Maryland, 13 October 1988
Natural community survey form — Robert E. Lee Park, Maryland, 7 June 1985 Read more about Natural community survey form — Robert E. Lee Park, Maryland, 7 June 1985