John H. Willis

Professor of Biology

3314 French Science Center, Science Drive, Durham, NC 27708
Campus Box: 
Box 90338, Department of Biology, Durham, NC 27708-0338
(919) 660-7340
We conduct research on broad issues in evolutionary genetics, and we are currently addressing questions relating to the evolution of adaptation, reproductive isolation, breeding systems, inbreeding depression, and floral traits in natural plant populations. Please see our lab web page for more information.


  • Ph.D., The University of Chicago 1991

Fishman, Lila, and John H. Willis. “A cytonuclear incompatibility causes anther sterility in Mimulus hybrids.Evolution; International Journal of Organic Evolution 60, no. 7 (July 2006): 1372–81. Full Text

Sweigart, Andrea L., Lila Fishman, and John H. Willis. “A simple genetic incompatibility causes hybrid male sterility in mimulus.Genetics 172, no. 4 (April 2006): 2465–79. Full Text

Aagaard, Jan E., Richard G. Olmstead, John H. Willis, and Patrick C. Phillips. “Duplication of floral regulatory genes in the Lamiales.American Journal of Botany 92, no. 8 (August 2005): 1284–93. Full Text

Sweigart, A. L., and J. H. Willis. “Patterns of nucleotide diversity are affected by mating system and asymmetric introgression in two species of Mimulus.” Evolution 57 (November 2003): 2490–2506.

Sweigart, Andrea L., and John H. Willis. “Patterns of nucleotide diversity in two species of Mimulus are affected by mating system and asymmetric introgression.Evolution; International Journal of Organic Evolution 57, no. 11 (November 2003): 2490–2506. Full Text

Fishman, Lila, Alan J. Kelly, and John H. Willis. “Minor quantitative trait loci underlie floral traits associated with mating system divergence in Mimulus.Evolution; International Journal of Organic Evolution 56, no. 11 (November 2002): 2138–55. Full Text

Kelly, J. K., and J. H. Willis. “A manipulative experiment to estimate biparental inbreeding in monkeyflowers.” International Journal of Plant Sciences 163, no. 4 (January 1, 2002): 575–79. Full Text