Also called white elm and water elm.  Part of elm  genus Ulmus and family Ulmaceae.

Native to 🇨🇦 Canada and 🇺🇸 USA central and East.

Uses by native peoples
(Ethnobotany database)
  Ulmus hosts caterpillars of 213 species
of butterflies and moths, in some areas.

Formerly abundant, in most places only very-young trees can be found, due to infestation by Dutch elm disease (DED). (prevention and treatment).   This author has seen two beautiful majestic mature elms, apparently spared from DED by geographic isolation.  And I have read about blight-resistant hybrids.

Learn more about American elm Ulmus americana

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