Mayapple, Podophyllum peltatum
Family: Berberideraceae Pollen grain morphology: verrucate, tectate, subprolate Pollen grain size: 29.31 ± 0.76 µm by 27.48 ± 0.08
Japanese Barberry (Berberis thunbergii)
Family: Berberidaceae Pollen grain morphology: Spheroidal, spiraperturate Pollen grain size (polar view): 40 + 0.1 µm by 38.6 + 0.2 µm