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USDA, Forest Service   cc-by-nc

Populus heterophylla (Swamp Cottonwood) is a species of tree in the family Salicaceae. They are native to Canada, The Contiguous United States, North America, and Eastern North America. They have white flowers. Individuals can grow to 100 feet.

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EOL has data for 66 attributes.

Known occurrences, collected specimens and observations of swamp cottonwood from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF