Please e-mail if you're interested in PDFs 

Underlined = Undergraduate author, * = Equal contribution


Finnell, L. M. and M. H. Koski. 2021. A test of Sensory Drive in plant-pollinator interactions: Heterogeneity in the signaling environment shapes pollinator preference for a floral visual signal. New Phytologist In press

Koski, M. H., MacQueen D., and T.-L. Ashman. 2021. Reply to Robson et al. Current Biology 31: R887-R888.


Sullivan, C. N. and M. H. Koski. 2021 The effects of global change on floral anthocyanin polymorphisms. 2021. Proceedings of the Royal Society B 288: 20202693.

LeCroy, K.A., Arceo-Gómez, G., Koski, M. H., Morehouse, N. I., Ashman, T-L.  Floral color properties of serpentine seep assemblages depend on community size and species richness.  2021.  Frontiers in Plant Science 11:602951.


Prior, C.J., Layman N., Koski, M. H., Galloway, L.F., Busch, JW. 2020. Westward range expansion from middle latitudes explains the Mississippi River Discontinuity in a forest herb of eastern North America. 2020. Molecular Ecology 29: 4473-4486.

Koski, M.H., MacQueen, D., Ashman T-L. 2020. Floral pigmentation has responded rapidly to global change in ozone and temperature.Current Biology 30: 4425-4431.

Koski, M. H. and L. F. Galloway. 2020. Geographic variation in floral color and reflectance correlates with temperature and colonization historyFrontiers in Plant Science 11: 991.

Koski, M. H. 2020. Macroevolution of floral color patterning: biased transition rates and correlations with flower size. Frontiers in Plant Science 11: 945.

Koski, M. H. 2020. The role of sensory drive in floral diversification. New Phytologist. 227: 1012-1024.

Koski, M. H., Berardi, A., and L. F. Galloway. 2020. Pollen color morphs take different paths to fitness. Journal of Evolutionary Biology 33: 388-400.


Koski, M. H., Prior, C. J., Layman, N. C., Busch, J. W., and L. F. Galloway. 2019. Selfing ability and drift load evolve with range expansion. Evolution Letters 3: 500-512.


        Evolution Letters Blog Post, and a writeup in UVA Today 

Koski, M. H., Galloway, L. F., and J. W. Busch. 2019. Pollen Limitation and selfing ability interact to shape variation in outcrossing rate across a species range. American Journal of Botany 106: 1240-1247.



van der Kooi, C. J., Kevan, P. G., and M. H. Koski. 2019. The thermal ecology of flowers. Annals of Botany 124: 343-353.

       Featured in Botany One


Ison, J. L., E. S. L. Tuan, M. H. Koski, J. S. Whalen, and L. F. Galloway. 2018. The role of pollinator preference in the maintenance of pollen color variation. Annals of Botany 123: 951-960. 

        Commentary by Hempel de Ibarra & Somanathan

Koski, M. H., J. L. Ison, A. Padilla, A. Pham, and L. F. Galloway. 2018. Linking pollinator effectiveness to patterns of pollen limitation: small bees exploit the plant-pollinator mutualism. Proceedings of the Royal Society B 285: 20180635.

      Featured in UVA Today

Leibman, L., A. Rowe, M. H. Koski, and L. F. Galloway. 2018. Populations with greater flexibility in floral traits modify mating system in response to the pollination environment. Functional Ecology DOI: 10.1111/1365-2435.13093



Brittingham, H. A., M. H. Koski, and T.-L. Ashman. 2018. Higher ploidy is associated with reduced range breadth in the Potentilleae tribe. American Journal of Botany 105: 700-710

Koski, M. H., L. Kuo, K. Niedermaier, and L. F. Galloway. 2018. Timing is everything: dichogamy and pollen germinability underlie variation in autonomous selfing among populations. American Journal of Botany 105: 241-248.

Koski, M. H., and L. F. Galloway. 2018. Geographic variation in pollen color is associated with temperature stress. New Phytologist 218: 370-379.

        Featured in New Phyt Blog


Koski, M. H.*, D. Grossenbacher*, J. Busch, and L. F. Galloway. 2017. A geographic cline in the ability to self-fertilize is unassociated with the pollination environment. Ecology 98: 2930-2939.


Koski, M. H. and T.-L. Ashman. 2016. Reproductive character displacement and environmental filtering shape floral variation between sympatric sister taxa. Evolution 70: 2616-2622.

Koski, M. H., and T.-L. Ashman. 2016. Macroevolutionary patterns of ultraviolet floral pigmentation explained by geography and associated abiotic factors. New Phytologist 211: 708-718.


2015 and prior

Ashman, T.-L., J. Tennessen, R. Dalton, R. Govindarajulu, M. H. Koski, and A. Liston. 2015. Multilocus sex determination revealed in two populations of gynodioecious wild strawberry, Fragaria vesca subsp. bracteata. G3 Genes, Genome, Genetics 5: 2759-2773


Koski, M. H., and T.-L. Ashman. 2015. An altitudinal cline in UV floral pattern corresponds with a behavioral change of a generalist pollinator assemblage. Ecology 12: 3343-3353.


Koski, M. H., and T.-L. Ashman. 2015. Patterns of floral pigmentation provide example of Gloger’s rule in plants. Nature Plants 1.1.

       Featured in Nature News and Views, Scientific American, Science Daily, Science 2.0,

       ZME Science.


Koski, M. H.*, G. A. Meindl*, G. Arceo-Gomez, M. Wolowski, K.A. Lecroy, T.-L. Ashman. 2015 Plant-flower visitor networks in a serpentine metacommunity: Assessing traits associated with keystone plant species. Arthropod-Plant Interactions 9: 9-21.


Koski, M. H., and T.-L. Ashman. 2014. Dissecting pollinator responses to a ubiquitous ultraviolet floral pattern in the wild. Functional Ecology 28: 868-877.


Koski, M. H., and T.-L. Ashman 2013. Quantitative variation, heritability, and trait correlations for ultraviolet floral traits in Argentina anserina (Rosaceae): Implications for floral evolution. International Journal of Plant Sciences 174: 1109-1120.


Dalton, R., M. H. Koski, and Ashman, T-L. 2013. Maternal sex effects and Inbreeding depression under varied environmental conditions in gynodioecious Fragaria vesca subsp. bracteata. Annals of Botany 112: 613-621.


Li, J., M. H. Koski, and T.-L. Ashman. 2012. Functional characterization of gynodioecy in Fragaria vesca ssp. bracteata. Annals of Botany 109: 545-552.