Education
B.S.,
Botany, Michigan State Univ., East Lansing, Mich. (1970)
A.M.,
Biology, Harvard Univ., Cambridge, Mass. (1971)
Ph.D.,
Biology, Harvard Univ., Cambridge, Mass. (1979)
Selected Positions
Staff Botanist, Dayton Museum of Natural History, Dayton, Ohio
Research Assistant, Research Associate, Dept. Botany, Smithsonian Institution,
Washington, D.C.
Research
Associate, Cooperative Parks Study Unit, New York Botanical Garden,
Bronx, N.Y.
State
Botanist, Maryland Natural Heritage Program, The Nature Conservancy,
Arlington, Va.
National Botanist, Director of Scientific Databases, The Nature
Conservancy,
Arlington, Va.
North
American Botanist, NatureServe, Arlington, Va.
Selected Publications
1968. A computer system for editing diagnostic keys for Flora North America. Taxon 17: 479-483. (With
John H. Beaman and Stanwyn G. Shetler)
1971. Specimen identification and key construction with time-sharing
computers. Taxon 20: 269-282.
1974. Computer-assisted storage and retrieval of the data of taxonomy
and systematics. Taxon 23: 29-43
1981. Rare Plant Conservation:
Geographical Data Organization. New York Botanical Garden, Bronx,
N.Y. (Co-editor, with Mary Sue Henifin)
1982. The Nature Conservancy and rare plant conservation in the United
States. Pages 453-457 in Hugh Synge (ed.), The Biological Aspects of
Rare Plant Conservation. Wiley, Chichester, Great Britain.
1983. Three Maryland stations for the northern white cedar, Thuja occidentalis.
Castanea 48: 159-161.
1983. A shale barren on Silurian strata in Maryland.
Castanea 48: 206-208.
1987. Rare plant protection, Conservancy style. The
Nature Conservancy News 37(5): 10-15
1988. Rare plants of Appalachian bedrock. Nature
Conservancy Magazine
38(2): 28-30.
1993. Standard and alternative taxonomic data in the multi-institutional
Natural Heritage Data Center Network. Pages 69-79 in F.A. Bisby, G.F.
Russell, and R.J. Pankhurst (eds.), Designs for a Global Plant Species Information System. Oxford Univ. Press, Oxford.
1995. Potential impacts of climate change on North American Flora. Pages 392-395 in Edward T. LaRoe et al., (eds.), Our Living Resources. U.S. Dept. Interior National Biological
Service. (With Lynn S. Kutner and John T. Kartesz).
1999. Defining what is native:
What is a native plant? Pages 12-14 in Bonnie L. Harper-Lore (ed.),
Roadside Use of Native Plants. Federal Highway Administration, Washington,
D.C. (With Jil M. Swearingen and John M. Randall)
2000. Coauthor of two chapters in:
Bruce A. Stein et al. (eds.), Precious Heritage: The Status
of Biodiversity in the United States. Oxford Univ. Press, New York.
2004. An invasive species assessment protocol: Evaluating non-native plants for their impact on biodiversity. Version
1. NatureServe, Arlington, Va. 42
pp. (With J.M. Randall, N. Benton, R. Hiebert, and S. Lu)
Internet Content Provider
NatureServe Explorer (www.natureserve.org/explorer)
Selected Past Clients