D
Yost, Jennifer M., Patrick W. Sweeney, Ed Gilbert, Gil Nelson, Robert Guralnick, Amanda S. Gallinat, Elizabeth R. Ellwood, Natalie Rossington, Charles G. Willis, Stanley D. Blum et al. "
Digitization protocol for scoring reproductive phenology from herbarium specimens of seed plants."
Applications in Plant Sciences 6 (2018): e1022.
O
Willis, Charles G., Elizabeth R. Ellwood, Richard B. Primack, Charles C. Davis, Katelin D. Pearson, Amanda S. Gallinat, Jenn M. Yost, Gil Nelson, Susan J. Mazer, Natalie L. Rossington et al. "
Old plants, new tricks: Phenological research using herbarium specimens."
Trends in ecology & evolution 32 (2017): 531-546.