Common Buckthorn, Rhamnus cathartica
Family: Rhamnaceae Pollen Grain Morphology: Triangular in polar view, furrows long and slender, tricolporate Pollen Grain Size: (polar) 22.0 + 1.1 µm by 20.0 + 1.0 µm
Family: Rhamnaceae Pollen Grain Morphology: Triangular in polar view, furrows long and slender, tricolporate Pollen Grain Size: (polar) 22.0 + 1.1 µm by 20.0 + 1.0 µm