Foxglove beard-tongue, Penstemon digitalis
Family: Plantaginaceae Pollen grain morphology: tricolporate, spheroidal, psilate Pollen grain size: 32.28 ± 0.40 µm by 30.63 ± 1.16 µm
Family: Plantaginaceae Pollen grain morphology: tricolporate, spheroidal, psilate Pollen grain size: 32.28 ± 0.40 µm by 30.63 ± 1.16 µm