Selected recent publications from this area of research are listed below with links to pdf files if available.

Kriebel, R., M. Khabbazian, and K. J. Sytsma. 2017. Shifts in pollen shape and size in the order Myrtales using Ornstein-Uhlenbeck models. PLoS ONE 12(12): e0187228. https://doi.org/10.1371/journal.pone.0187228

Rose, J. P., R. Kriebel, and K. J. Sytsma. 2016. Shape analysis of moss sporophytes (Bryophyta): insights into land plant evolution. American Journal of Botany 103: 652-662.

Kriebel, R., B. T. Drew, Jesús G. González-Gallegos, F. Celep, L. Heeg, M. M. Mahdjoub, and K. J. Sytsma. 2020. Pollinator shifts, contingent evolution, and evolutionary constraint drive floral disparity in Salvia (Lamiaceae): evidence from morphometrics and phylogenetic comparative methods. Evolution 74: 1335-1355. doi:10.1111/evo.14030

Kriebel, R., B. T. Drew, J. G. González-Gallegos, F. Celep, G. M. Antar, J. F. B. Pastore, R. Uría, and K. J. Sytsma. 2021. Stigma shape shifting in sages (Salvia: Lamiaceae) – hummingbirds guided the evolution of New World floral features. Botanical Journal of the Linnean Society doi.org/10.1093/botlinnean/boab096 [special issue on Evolution in the Neotropics]

Rose, J. P, and K. J. Sytsma. 2021. Complex interactions underlie the correlated evolution of floral traits and their association with pollinators in a clade with diverse pollination systems. Evolution 75: 1431-1449. doi:10.1111/evo.14220