Despite its common name, botanically not an ash  genus Fraxinus.   Instead, …

Part of 🗻︎ mountain-ash / rowan  genus Sorbus, which together with its sister-genus mentioned above, are both in 🌹︎ rose  family Rosaceae, and 🍎︎ apple / 🍇︎ berry / buckthorn / elm / hemp / 🌹︎ rose  order Rosales.

Native to 🇨🇦 🇺🇸 Canada and USA, east of the Mississippi River.   🗺 Map by county (🇺🇸 USA-48), 🗺 map (North America, Central America),  Adobe Acrobat Reader file 🗺 today + with climate change (eastern 🇺🇸 USA).

Uses by native peoples
(Ethnobotany database)

Sorbus hosts caterpillars of 67 species
of butterflies and moths, in some areas.
  Has brilliant 🍇︎ berry clusters, orange-red, enjoyed by 🐦︎ birds.

Planted as an ornamental.

Learn more about 🗻︎ American mountain ash Sorbus americana

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora (Minnesota) Wildflower Garden Minnesota Wildflowers Missouri Botanical Garden Native Plant Trust Flora of North America USDA PLANTS db USFS Wikipedia