Poison ivy, Toxicodendron radicans
Family: Anacardiaceae Pollen grain morphology: tricolporate, reticulate Pollen grain size: 23.09 ± 0.94 µm by 21.62 ± 0.34 µm
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