Littleleaf buttercup, Ranunculus abortivus Family: Ranunculaceae Pollen grain morphology: spherical, tectate, verrucate, tricolporate Pollen grain size: 27.74 ± 0.07 µm by 26.07 ± 1.33 µm June 10, 2015Ranunculaceae, Uncategorizedabortivus, kidneyleaf buttercup, littleleaf buttercup, Ranunculaceae, ranunculus, spherical, tectate, tricolporate, verrucate