Staghorn sumac, Rhus typhina Family: Anacardiaceae Pollen grain size: 37.72 ± 0.79 µm by 34.47 ± 1.90 µm Pollen grain morphology: subprolate, tricolporate, subreticulate, tectate June 12, 2015anacardiaceaeanacardiaceae, rhus, staghorn sumac, subprolate, subreticulate, sumac, tectate, tricolporate, typhina