Grey Dogwood, Cornus racemosa Family: Cornaceae Pollen Grain Morphology: subprolate, tectate, psilate, furrows marginate Pollen grain size: 59.6 by 59.0 February 27, 2015Cornaceae, UncategorizedCornaceae, Cornus, Cornus racemosa, subprolate, subtriangular, tectate