Found 216 results
Effects of deer browsing on native and non-native vegetation in a Mixed Oak - Beech Forest on the Atlantic Coastal Plain. Northeastern Naturalist. 14(1):61-72. 2007.
Three American tragedies: chestnut blight, butternut canker, and Dutch elm disease. In: Britton, Kerry O., ed. Proceedings, exotic pests of Eastern forests; 1997 April 8-10; Nashville, TN. Tennessee Exotic Pest Plant Council: 45-54. 1997.
Vegetation, endangered and threatened plants, critical plant habitats and vascular flora of the Obed Wild and Scenic River. Two Volumes.. 1982.
Dynamics and precision of thermoregulatory responses of eastern skunk cabbage Symplocarpus foetidus. Plant, Cell and Environment. 27:1014-1022. 2004.
Periods of flowering of common flowers, trees and shrubs of Rock Creek Park, Washington, D.C. Unpublished flyer used at the Nature Center in Rock Creek Park.. 1976.
Soil survey of Nassau County, New York. USDA Soil Conservation Service.. 1987.
Geologic map of the National Parks in the National Capital Region, Washington, D.C., Virginia, Maryland, and West Virginia. Geological Survey Open-File Report 2005-1331, available only online.. 2006.
Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River Corridor, District of Columbia, Maryland, West Virginia, and Virginia.. 2008.