Meadow buttercup, Ranunculus acris Family: Ranunculaceae Pollen grain morphology: spherical, tectate, verrucate Pollen grain size: 27.38 ± 0.66 µm by 25.73 ± 0.66 µm June 10, 2015Ranunculaceae, Uncategorizedacris, buttercup, meadow, Ranunculaceae, ranunculus, spherical, tectate, verrucate