Pepperweed, Lepidium spp. Family: Brassicaceae Pollen grain morphology: spheroidal, tricolporate, reticulate Pollen grain size: 17.20 ± 0.27 µm by 14.96 ± 0.33 July 27, 2015brassicaceaebrassicaceae, lepidium, pepperweed, reticulate, spheroidal, tricolporate