Mountain Geranium, Geranium robertanianum Family: Geraniaceae Pollen Grain Morphology: Tricolpate, densely and coarsely baculate and clavate Pollen Grain Size: 65.1 + 1.9 µm by 63.9 + 3 µm January 20, 2015Geraniaceae, Uncategorizedbaculate, clavate, Geraniaceae, Geranium, Geranium robertanianum, Mountain Geranium, tricolpate