Current Graduate Students

Sarah Federman

I am a fifth-year PhD student interested in studying evolutionary mechanisms underlying spatial patterns in diversity. I plan to focus my investigation in the angiosperm clade Burseraceae.

For a high-resolution image of Sarah, click here.

Brian Park

I am a plant pornographer. I am fascinated in understanding the amazing diversity in the form of sex organs in angiosperms (flowers). To this end, I employ an integrative approach spanning developmental genetics, pollination ecology, and phylogenetic biology to gain insights on the proximate and ultimate factors that generate floral morphological diversity. 

For the last 4 years, I have been conducting experiments in western Massachusetts to study the pollination ecology of the hobblebush, Viburnum lantanoides. Like sunflowers and hydrangeas, hobblebush produce showy inflorescences composed of a central cluster of small, fertile flowers encircled by large, sterile flowers, that as a whole, make the inflorescence look and function like a single flower. Its not clear why hobblebush (or sunflowers and hydrangeas for that matter) do this, so I have been collecting data on insect visitation and fruit set in a population of hobblebush composed of “wild-type” plants with sterile flowers and experimental plants with their sterile flowers removed. I hope results provide insights into the role of natural selection in driving the evolution of sterile flowers in hobblebush.

This work has been a truly collaborative effort, with involvement from several undergraduate students, PhD students, and postdocs. If you are interested in getting out into the field, please contact me by email.

For a high-resolution image of Brian, click here.

Miranda Sinnott-Armstrong

I am a fourth-year graduate student interested in seed dispersal and how plants entice animals to consume their fruits.  I am currently working on describing spatial patterns in fruit colors, as well as investigating underlying evolutionary mechanisms behind these patterns. Broadly, I am interested in biogeography and trait evolution.

For a high-resolution image of Miranda, click here.

Elizabeth Spriggs

I am interested in patterns of biogeography, lineage diversification, and trait evolution, especially in the context of plant lineages’ shifts into new environments. I am currently looking at diversification rates and leaf evolution in Viburnum

For a high-resolution image of Beth, click here.