References
^ John EastmanThe Book of Swamp and Bog : Trees, Shrubs and Wildflowers of the Eastern Freshwater Wetlands by John Eastman (1995, Paperback) ISBN 9780811725187 (revised Aug 2015)^ Eastman, John (2014). The Book of Swamp and Bog: Trees, Shrubs, and Wildflowers of the Eastern Freshwater Wetlands, Stackpole Books. BiggerBooks. ISBN 9780811725187 (revised Nov 2023)
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