Research
Interests:
Ethnobotany.
Plants and plant products in the development and maintenance
of human societies. The mythical roles of plants formative
in the ethos and religious expressions of diverse cultures.
Selected
Publications:
Black-Schaefer, C. L. and R. L. Beckmann. 1989. Foliar flavonoids
and the determination
of ploidy and gender in white ash (Fraxinus americana) and
green ash (F. pennsylvanica). Castanea 54: 115 - 118.
Black,
C. L. and R. L. Beckmann. 1983. The variability of nuclear
DNA and its implications for polyploidy in white ash
(Fraxinus americana L.: Oleaceae). Amer. J. Bot. 70:
1420 - 1423.
Hardin,
J. W. and R. L. Beckmann. 1982. Atlas of foliar features
in woody plants. V. Fraxinus. (Oleaceae) of eastern North
America. Brittonia 34: 129 - 140.
Beckmann,
R. L. and J. M. Stucky. 1980. Extrafloral nectaries
and plant guarding in Ipomoea pandurata (L.) G. F. W.
Mey. (Convolvulaceae). Amer. J. Bot. 68: 72 - 79.
