An ancient push-pull pollination mechanism in cycads.

Salzman, S., Crook, D., Crall, J.D., Hopkins, R., Pierce, N.E., 2020. An ancient push-pull pollination mechanism in cycads. Science Advances 6, eaay6169. [PDF]

Local adaptation mediates floral responses to water limitation in an annual wildflower.

Suni, S. S., B. Ainsworth, and R. Hopkins. 2020. Local adaptation mediates floral responses to water limitation in an annual wildflower. American Journal of Botany 107(2): 209–218. [PDF]

Sonicating bees demonstrate flexible pollen extraction without instrumental learning.

Switzer, C.M., Russell, A.L., Papaj, D.R., Combes, S.A., Hopkins, R., 2019. Sonicating bees demonstrate flexible pollen extraction without instrumental learning. Current Zoology 65, 425–436. [PDF]

Variation in context‐dependent foraging behavior across pollinators.

Briggs, Heather M., Stuart Graham, Callin M. Switzer, and Robin Hopkins. 2018. Variation in context‐dependent foraging behavior across pollinators. Ecology and Evolution 8(16):7964-7973. [PDF]

Dispensing pollen via catapult

Switzer, Callin M., Stacey A. Combes, and Robin Hopkins. Dispensing Pollen Via Catapult: Explosive Pollen Release in Mountain Laurel (Kalmia latifolia). 2018. The American Naturalist 191:6 [PDF]

The cost of reinforcement: Selection on flower color in allopatric populations of Phlox drummondii.

Hopkins, Robin, Rausher, Mark D. The cost of reinforcement: Selection on flower color in allopatric populations of Phlox drummondii. 2014. The American Naturalist 183: 693-710. [PDF]

Pollinator-mediated selection on flower color allele drives reinforcement

Hopkins, Robin, Mark D. Rausher. 2012. Pollinator-mediated selection on flower color allele drives reinforcement. Science 335: 1090-1092. (Featured in Current Biology Dispatch by John Pannell) [PDF]