Martha A. Case
Year of arrival 1994. Associate Professor and Director of the William & Mary Herbarium. B.A., Biology, Michigan State University, Lansing, 1984; Ph.D., Botany & Plant Pathology (Plant Systematics), Michigan State University, Lansing, 1993.
Research Interests:
My
research interests are centered on plant diversity, including both the
evolution and conservation of plant populations. In particular, I have a long-standing
interest in how the demographic, life history, and ecological characteristics
of orchids contribute to population differentiation. These interests generate a number of
projects in the fields of pollination biology, population genetics,
conservation and plant systematics. Recent
projects include a floristic analysis of Totuskey
Creek Watershed on the Northern Neck Peninsula, analyses of lichen diversity
in the Williamsburg area, and several projects involving the pollination
ecology of lady’s slipper orchids.
Students entering my lab would be encouraged to develop independent
projects that will foster a better understanding of plant diversity and
divergence mechanisms, or how to best preserve Virginia’s rare plants. Interested students can inquire about projects by contacting macase@wm.edu, or learn more about our graduate program at http://www.wm.edu/graduate/. Examples of Publications (*student
authors):
Case,
M. A., and Z. R. *Bradford. 2009. Enhancing the trap of lady’s slippers: a
new technique for discovering pollinators yields new data from Cypripedium parviflorum (Orchidaceae). Botanical Journal of the Linnean Society 160: 1-10. *Hodkinson, B. P., R. C. Harris, and M. A. Case. 2009. A
Checklist of Virginia Lichens. Evansia
26: 64-88. *Hodkinson, B. P., and M. A. Case. 2008. A lichen survey
of Williamsburg, Virginia. Banisteria
31: 24-30 Case, M. A., K. M.
*Flinn, J. *Jancaitis, A.
*Alley and A. *Paxton. 2007. Declining abundance of American ginseng
(Panax quinquefolius
L.) documented by herbarium specimens.
Biological Conservation
134: 22-30. *Grubbs,
H. J. and M. A. Case. 2004. Allozyme variation in American ginseng (Panax quinquefolius
L.): Variation, breeding system, and implications for current conservation
practice. Conservation Genetics
5(1): 13-23. *Wallace, L. E. and M. A. Case. 2000.
Contrasting allozyme diversity between northern and
southern populations of Cypripedium parviflorum
(Orchidaceae): Implications for Pleistocene refugia and taxonomic boundaries. Systematic Botany 25(2): 281-296. Case, M. A., H. T.
*Mlodozeniec, L. E. *Wallace and T. W. *Weldy. 1998. Conservation genetics and taxonomic status
of the rare Kentucky lady's slipper: Cypripedium kentuckiense
(Orchidaceae). American
Journal of Botany 85(12): 1779-1786. *Weldy, T.W., H.T. *Mlodozeniec,
L.E. *Wallace and M.A. Case. 1996. The current status of Cypripedium kentuckiense (Orchidaceae)
including a morphological analysis of a newly discovered population in
eastern Virginia. Sida
17(2): 423-435 Case, M. A. 1994.
Extensive variation in the levels of genetic diversity and degree of
relatedness among five species of Cypripedium (Orchidaceae).
American Journal of Botany 81(2):
175-184. Case, M. A. 1993.
High levels of allozyme variation within Cypripedium
calceolus and low levels of divergence among
its varieties. Systematic Botany
18(4): 663-677. [Biology Home Page] [Link to Baldwin-Speese Award Application] Last
updated March 2011 |
