Paper birch, Betula papyrifera
Family: Corylaceae Pollen Grain Morphology: Psilate, indistinctly tectate, triporate Pollen Grain Size: 24.7 + 1.0 µm by 22.6 + 0.9 µm
Family: Corylaceae Pollen Grain Morphology: Psilate, indistinctly tectate, triporate Pollen Grain Size: 24.7 + 1.0 µm by 22.6 + 0.9 µm