FOR 232 Twig ID

Nannyberry; Viburnum lentago; Adoxaceae

Staghorn sumac; Rhus typhina; Anacardiaceae

Northern catalpa; Catalpa speciosa; Bignoniaceae

Yellow birch; Betula allenghaniensis; Betulaceae

Paper birch; Betula papyrifera; Betulaceae

Grey birch; Betula populifolia; Betulaceae

Musclewood; Carpinus caroliniana; Betulaceae

Tag alder; Alnus incana; Betulaceae

American hazelnut; Corylus americana; Betulaceae

Ironwood; Ostrya virginiana; Betulaceae

Hackberry; Celtis occidentalis; Cannabaceae

Alternate-leaved dogwood; Cornus alternifolia; Cornaceae

Silky dogwood; Cornus amomum; Cornaceae

Grey dogwood; Cornus racemosa; Cornaceae

Redstemmed dogwood; Cornus sericea; Cornaceae

Black locust; Robinia pseudoacacia; Fabaceae

American beech; Fagus grandifolia; Fagaceae

White oak; Quercus alba; Fagaceae

Swamp white oak; Quercus bicolor; Fagaceae

Bur oak; Quercus macrocarpa; Fagaceae

Northern red oak; Quercus rubra; Fagaceae

Northern pin oak; Quercus ellipsoidalis; Fagaceae

Ginkgo; Ginkgo biloba; Ginkgoaceae

Witch-hazel; Hamamelis virginiana; Hamamelidaceae

Butternut; Juglans cinerea; Juglandaceae

Black walnut; Juglans nigra; Juglandaceae

Bitternut hickory; Carya cordiformis; Juglandaceae

Shagbark hickory; Carya ovata; Juglandaceae

Tulip-poplar; Liriodendron tulipifera; Magnoliaceae

White ash; Fraxinus americana; Oleaceae

Black ash; Fraxinus nigra; Oleaceae

Green ash; Fraxinus pennsylvanica; Oleaceae

Tamarack; Larix laricina; Pinaceae

Glossy buckthorn; Frangula alnus; Rhamnaceae

Common buckthorn; Rhamnus cathartica; Rhamnaceae

Pin cherry; Prunus pensylvanica; Rosaceae

Black cherry; Prunus serotina; Rosaceae

Choke cherry; Prunus virginiana; Rosaceae

Serviceberry; Amelanchier sp; Rosaceae

Prickly ash; Zanthoxylum americanum; Rutaceae

Eastern cottonwood; Populus deltoides; Salicaceae

Bigtooth aspen; Populus grandidentata; Salicaceae

Trembling aspen; Populus tremuloides; Salicaceae

Willow; Salix sp.; Salicaceae

Boxelder; Acer negundo; Sapindaceae

Norway maple; Acer platanoides; Sapindaceae

Red maple; Acer rubrum; Sapindaceae

Silver maple; Acer saccharinum; Sapindaceae

Sugar maple; Acer saccharum; Sapindaceae

Ohio buckeye; Aesculus glabra; Sapindaceae

Horsechestnut; Aesculus hippocastanum; Sapindaceae

American basswood; Tilia americana; Tiliaceae

American elm; Ulmus americana; Ulmaceae