References

References
Harlow, W.M. (1946). Fruit Key and Twig Key to Trees and Shrubs. New York, NY: Dover Publications, Inc.
Harlow
Fruit Key and Twig Key to Trees and Shrubs
1946
Harlow, W.M. (1957). Trees of the Eastern and Central United States and Canada. New York, NY: Dover Publications, Inc.
Harlow
Trees of the Eastern and Central United States and Canada
1957
Newcomb, L. (1989). Newcomb's Wildflower Guide: An Ingenious New Key System for Quick, Positive Field Identification of the Wildflowers, Flowering Shrubs and Vines of Northeastern and North-Central North America. Boston: Little, Brown and Co.
Newcomb
Newcomb's Wildflower Guide: An Ingenious New Key System for Quick, Positive Field Identification of the Wildflowers, Flowering Shrubs and Vines of Northeastern and North-Central North America
1989
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