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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.