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Spring Rose Gall of Wild Rose
Smilax herbacea in fruit
Rough Knot Gall of Quercus macrocarpa (Quercus iberica) near Glenco
Rough Knot Gall of Quercus macrocarpa (Quercus iberica)
Pteridium aquilinum in forest
Petiole Gall
Oak Club Gall of Quercus alba
Oak Bullet smooth Gall of Quercus alba
Monotropa uniflora
Monotropa uniflora
Lobed Oak Gall of Quercus alba
Linaria vulgaris
High falls on the Pigeon River
High falls on the Pigeon River
Ginkgo biloba leaves
Flower Gall of Fraxinus pennsylvanica
Elliplical Gall of Solidago
Cone Gall of Wild Rose
Comptonia peregrina
Chimaphila umbellata
Cascade River and gorge on the North Shore
Bunch Gall of Solidago
Bunch Gall of Solidago
Black Knot Gall of Prunus virginiana
Black knot gall of Prunus virginiana
Ball gall at Solidago
Annual rings of Quercus macrocarpa (Quercus iberica)