Pickerelweed, Pontederia cordata Family: Pontederiaceae Pollen grain morphology: striate, tricolporate Pollen grain size: 28.32 + 0.22 µm by 24.61 + 2.35 µm April 30, 2015Pontaderiaceae, Uncategorizedpickerel weed, pickerelweed, pontederiaceae, striate, tricolporate