Parsnip, Pastinaca sativa Family: Apiaceae Pollen Grain Morphology: Rugulate, striate, tricolporate Pollen Grain Size: 29.5 + 1.6 µm by 16.1 + 0.1 µm April 14, 2015Apiaceae, UncategorizedApiaceae, Pastinaca, Pastinaca sativa, tricolporate