Zung, J. L., Forrest, J. R. K., Castellanos, M. C., & Thomson, J. D. (2015). Bee- to bird-pollination shifts in Penstemon: effects of floral-lip removal and corolla constriction on the preferences of free-foraging bumble bees. Evolutionary Ecology , 29, 341–354. Publisher's Version
Thomson, J. D., & Zung, J. L. (2015). A restraining device to aid identification of bees by digital photography. Journal of Pollination Ecology , 17, 145–147. Publisher's Version