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of the botanical name. 
A plus sign after a Latin name indicates that the species is further divided into varieties or subspecies. 
Your search found 17 taxa.
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Common Name:
Green Alder, Mountain Alder
Male catkin buds sessile, not pendent, per Woody Plants of the Southeastern US: A Winter Guide.
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Common Name:
Tag Alder, Hazel Alder, Smooth Alder
Male catkins longer than female catkins, pendent, each one stalked, per Woody Plants of the Blue Ridge.
Common Name:
Speckled Alder
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Common Name:
Black Alder, European Alder
Male catkins appear in fall; female appear in spring before leaves emerge, per Invasive Plants, Guide to Identification, Impacts and Control.
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Common Name:
Beaked Hazelnut
Male catkins sessile and dangling, on 1-year-old lateral twigs, per Forest Plants of the Southeast and Their Wildlife Uses.
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Common Name:
American Hazelnut, American Filbert
Catkin buds distinctly stalked, per Woody Plants of the Blue Ridge.
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Common Name:
Yellow Birch
Pistillate flowers in erect catkins about 3/4" long, per Native Trees of the Southeast, An Identification Guide.
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Common Name:
Sweet Birch, Cherry Birch, Black Birch, "Mahogany"
Flowers tiny, staminate in drooping catkins near tip of twigs, per Native Trees of the Southeast, An Identification Guide.
Common Name:
Mountain Paper Birch
Common Name:
Canoe Birch, Paper Birch
Common Name:
Gray Birch, White Birch
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Common Name:
River Birch, Red Birch
Staminate catkins elongate and drooping, pistillate cylindrical and upright, per Native Trees of the Southeast, An Identification Guide.
Common Name:
American Hop-hornbeam, Ironwood, Eastern Hop-hornbeam
)
Common Name:
Musclewood, American Hornbeam, Blue-beech, Ironwood
Male flowers in dense drooping cylindrical catkins 3-4cm long, per Trees of the Southeastern United States.
Your search found 17 taxa. You are on page PAGE 1 out of 1 pages.