American gooseberry, Ribes hirtellum Family: Grossulariaceae Pollen grain morphology: periporate, tectate, polygonal Pollen grain size: 24.53 + 1.03 µm by 22.01 + 0.01 µm April 30, 2015grossulariaceae, Uncategorizedgooseberry, grossulariaceae, hirtellum, periporate, polygonal, ribes, tectate