White Trillium, Trillium grandiflorum
Family: Melanthiaceae Pollen grain morphology: monocolpate, irregularily elliptical, intectate, verrucate Pollen grain size: 42.12 ± 0.37 µm by 34.67 ± 1.42 µm
Sweet pea, Lathyrus odoratus
Family: Fabaceae Pollen grain morphology: tricolporate, subprolate, reticulate, tectate Pollen grain size: 40.49 ± 0.79 µm by 32.06 ± 1.11 µm
Star-of-bethlehem, Ornithogalum umbellatum
Family: Asparagaceae Pollen grain morphology: tricolporate Pollen grain size: 43.48 ± 0.92 µm by 36.28 ± 3.33 µm
Spring vetch, Vicia lathyroides
Family: Fabaceae Pollen grain morphology: tricolporate, perprolate, intecate Pollen grain size: 31.32 ± 0.51 µm by 22.91 ± 3.67 µm
Ohio spiderwort, Tradescantia ohiensis
Family: Commelinaceae Pollen grain morphology: monocolpate, intectate, scabrate to verrucate, elliptic Pollen grain size: 43.49 ± 1.82 µm by 29.21 ± 0.64 µm
Narrow-leaf blue-eyed grass, Sisyrinchium angustifolium
Family: Iridaceae Pollen grain morphology: monocolpate, reticulate Pollen grain size: 43.03 µm by 30.99 µm
Siberian squill, Scilla siberica
Family: Asparagaceae Pollen grain morphology: tricolporate Pollen grain size: 49.96 ± 1.37 µm by 47.42 ± 3.89 µm
Self-Heal, Prunella vulgaris
Family: Lamiaceae Pollen grain morphology: hexacolpate, prolate, tectate Pollen grain size: 40.17 µm by 35.71 µm
Red Osier Dogwood, Cornus sericea
Family: Cornaceae Pollen grain morphology: subprolate, tectate, tricolporate, psilate Pollen grain size: 48.97 ± 0.87 µm by 46.69 ± 0.90 µm
Red oak, Quercus rubra
Family: Fagaceae Pollen grain morphology: subprolate, verrucate, tricolporate Pollen grain size: 26.98 µm by 22.58 µm