 Amur corktree with unripe fruit (Phellodendron amurense) |
 Amur corktree fruit beginning to ripen (Phellodendron amurense) |
 Amur corktree, ripe fruit (Phellodendron amurense) |
 Amur maple keys (Acer ginnala) |
 Amur maple leaves (Acer ginnala) |
 Amur maple keys (Acer ginnala) |
 Apple blossom time |
 Apple blossoms (Malus) |
 Apple blossom (Malus) |
 Apple tree (Malus) |
 Barberry (Berberis) |
 Beaked hazel, female flower (Corylus cornuta) |
 Black locust (Robinia pseudoacacia) |
 Black locust (Robinia pseudoacacia) |
 Black locust pod (Robinia pseudoacacia) |
 Black locust flowers (Robinia pseudoacacia) |
 Black maple (Acer nigrum) new growth |
 Black maple (Acer nigrum) |
 Black walnut flowers (Juglans nigra) |
 Black walnut pollen flowers (Juglans nigra) |
 Black walnut pollen flowers (Juglans nigra) |
 Black walnut (Juglans nigra) |
 Black walnut (Juglans nigra) |
 Bladdernut shrub (Staphylea trifolia) |
 Bladdernut shrub (Staphylea trifolia) |
 Bladdernut shrub bark (Staphylea trifolia) |
 Blue beech bract (Carpinus caroliniana) |
 Blue-beech (Carpinus caroliniana) |
 Blue beech bark (Carpinus caroliniana) |
 Bur oak (Quercus macrocarpa) |
 Bur oak (Quercus macrocarpa) |
 Camperdown elm (Ulmus glabra ‘Camperdownii’) |
 Camperdown elm (Ulmus glabra ‘Camperdownii’) |
 Chokecherry fruit (Prunus virginiana) |
 Chokecherry (Prunus virginiana) |
 Common buckthorn (Rhamnus cathartica) |
 Common buckthorn (Rhamnus cathartica) |
 Crabapple fruit (Malus) |
 Crabapple blossoms (Malus) |
 Glossy buckthorn (Rhamnus frangula) |
 Glossy buckthorn fruit (Rhamnus frangula) |
 Hackberry leaves (Celtis occidentalis) |
 Hackberry bark (Celtis occidentalis) |
 Hawthorn (Crataegus) |
 Hawthorn (Crataegus) |
 Lilac (Syringa) |
 Lilac (Syringa) |
 Magnolia seeds |
 Magnolia |
 Magnolia |
 Magnolia |
 Manitoba maple, pollen flowers(Acer negundo) |
 Manitoba maple buds (Acer negundo) |
 Manitoba maple seeds (Acer negundo) |
 Nannyberry(Viburnum lentago) |
 Nannyberry flowers (Viburnum lentago) |
 Nannyberry fruit (Viburnum lentago) |
 Ninebark (Physocarpus opulifolius) |
 Ninebark flowers (Physocarpus opulifolius) |
 Ninebark seeds (Physocarpus opulifolius) |
 Norway Spruce cones (Picea abies) |
 Norway spruce (Picea abies) |
 Oak leaf and acorn (Quercus) |
 Red elderberry (Sambucus pubens) |
 Red maple flowers (Acer rubrum) |
 Red oak leaves and pollen flowers (Quercus rubra) |
 Red oak pollen flowers and new leaves (Quercus rubra) |
 Red oak leaves in autumn (Quercus rubra) |
 Speckled alder (Alnus incana) |
 Speckled alder (Alnus incana) |
 Staghorn sumac (Rhus typhina) |
 Staghorn sumac (Rhus hirta) |
 Staghorn sumac (Rhus hirta) |
 Striped maple (Acer pensylvaticum) |
 Striped maple bark (Acer pensylvanicum) |
 Sugar maple (Acer saccharum) |
 Tartarian honeysuckle (Lonicera tatarica) |
 Wild plum |
 wild plum (Prunus) |
 Witch hazel flowers (Hammamelis virginiana) |
 Witch hazel (Hammamelis virginiana) |