Yellow flag, Iris pseudacorus Family: Iridaceae Pollen grain morphology: monocolpate, elliptical, reticulum coarse Pollen grain size: 114.98 µm by 101.86 µm June 15, 2015iridaceae, Uncategorizedcoarse reticulum, elliptical, iridaceae, iris, monocolpate, pseudacorus, water flag, yellow flag, yellow iris