Charles G Willis

Old Plants, New Tricks: Phenological Research Using Herbarium Specimens.

Pamela S Soltis, Gil Nelson, Amanda S. Gallinat, 2017, Trends in ecology & evolution.

Herbarium records are reliable sources of phenological change driven by climate and provide novel insights into species' phenological cueing mechanisms.

Aaron M Ellison, Bryan Connolly, A. Ellison, 2015, American journal of botany.

The evolution of seed dormancy: environmental cues, evolutionary hubs, and diversification of the seed plants.

Jeannine Cavender-Bares, Rafael Rubio de Casas, Rafael Rubio de Casas, 2014, The New phytologist.