Found 216 results
Plant communities on a quartzite ridge in Chester County, Pennsylvania. Proceedings of the Pennsylvania Academy of Science . 48:101-106. 1974.
Geology of Rock Creek Park South. American Geophysical Union Guidebook T-208.. 1989.
Contrasting radical growth and canopy recruitment patterns in Liriodendron tulipifera and Nyssa sylvatica: Gap obligate versus gap facultative tree species. Canadian Journal of Forest Research. 24:2141-2149. 1994.
Harpers Ferry Water Gap. Centennial Field Guide. 6:201-206.. 1986.
Endemic amphipods in our nation’s capital. Endangered Species Bulletin. 27(1):8-9. 2002.
Managing wildlife crop trees. Crop tree management in eastern hardwoods.. 1993.
Bark photosynthesis. Trees —Structure and Function. 22(2):137-138. 2008.
Plant communities and ecological land units of the Glenwood Ranger District, George Washington and Jefferson national forests, Virginia.. 1996.
Forest vegetation of the Ramsey's Draft and Little Laurel Run Research Natural Areas, Virginia: Baseline ecological monitoring and classification.. 1994.
Competence of American Robins as reservoir hosts for Lyme Disease Spirochetes. Emerging Infectious Diseases. 6:2 March-April 2000. pp 133-138. 2000.