Presentations at International Conferences

Kephart, S. (2007). Hymenopteran dominated pollinator guilds and species boundaries in Asclepias (Apocynaceae) and Camassia (Agavaceae). Proc. Royal Society, Entomology Edinburgh.

Kephart, S. (2006). Hybridization  and reproductive isolation between sympatric species of Camassia (Agavaceae): Implications for species boundaries and habitat restoration. University of Uppsala, Sweden. (Invited speaker)

Kephart, S. (2005). Endemism, rarity, and reintroduction: A case study in Silene (Caryophyllaceae). International Botanical Congress, Vienna Austria. (Invited symposium speaker)

Kephart, S. (2004). The role of pollinator limitation in the evolution of sky island endemics in Silene. Valencia, Spain. (Invited speaker IOBP conference)

*Olsen, R.L., *R.B. Pratt, *P. Gump, A. Kemper, and G. Tallman (2001). Stomata of Vicia faba L. (faba bean) illuminated with red light open in response to reduced CO₂ concentrations by accumulation of potassium ions in guard cells activated by a chloroplast-dependent signal transduction pathway. Tansley Conference: "Stomata 2001," Birmingham, U.K. July 26-28, 2001 (Invited presentation, sponsored by New Phytologist)

Tallman, G. *J. Upton, and C.F. Tay (1999). Temperature dependence of auxin and cytokinin responses of cultured guard cell protoplasts of Nicotiana glauca. XVI International Botanical Congress, St. Louis, MO.