The spatial structure of phylogenetic and functional diversity in the United States and Canada: An example using the sedge family (Cyperaceae)
Daniel Spalink, Jocelyn Pender, Marcial Escudero, Andrew L. Hipp, Eric H. Roalson, Julian R. Starr, Marcia J. Waterway, Lynn Bohs, and Kenneth J. Sytsma
Journal of Systematics and Evolution . 2018, (5): 449 -465 .  DOI: 10.1111/jse.12423