E. J. Trapp

Population demography of Pastinaca sativa (Apiaceae) : effects of seed mass on emergence, survival, and recruitment

S. D. Hendrix, E. J. Trapp, 1992 .

FLORAL HERBIVORY IN PASTINACA SATIVA: DO COMPENSATORY RESPONSES OFFSET REDUCTIONS IN FITNESS?

S. D. Hendrix, E. J. Trapp, 1989, Evolution; international journal of organic evolution.

Dispersal of heteromorphic seeds in Amphicarpaea bracteata (Fabaceae)

E. J. Trapp, 1988 .

Plant-herbivore interactions: Insect induced changes in host plant sex expression and fecundity

S. D. Hendrix, E. J. Trapp, 1981, Oecologia.