Golden alexander, Zizia aurea Family: Apiaceae Pollen grain morphology: Rugulate, striate, tricolporate Pollen grain size: 22.05 ± 1.33 µm by 14.76 ± 0.51 µm June 15, 2015Apiaceae, UncategorizedApiaceae, aurea, golden alexander, Rugulate, striate, tricolporate, zizia