Also called 🇪🇺 European alder, common alder, and ◼︎ black alder.  Although do not confuse with common winterberry/Michigan holly/◼︎ black alder  Ilex verticillata which is also sometimes called black alder.  Very-distantly related:

Part of alder  genus Alnus in alder / birch / hazel / hornbeam  family Betulaceae in bayberry / beech / birch / oak / walnut  order Fagales.

Native to 🇪🇺 Europe and nearby areas of Asia and Africa.   🌎︎ Map by county (🇺🇸 USA-48) (colors).   Invasive > learn+quiz Invasive > 🌐︎ global Invasive > 🌐︎ various Invasive > 🇨🇦 Canada, 🇺🇸 USA Invasive > report it! Invasive > 🇺🇸 USA Invasive > Michigan

Uses by native peoples
(Ethnobotany database)

Learn more about 🇪🇺 ◼︎ European black alder Alnus glutinosa

Best Control Practices BCP (Ontario)  Adobe Acrobat Reader file and its Technical Bulletin  Adobe Acrobat Reader file

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Missouri Botanical Garden Flora of North America USDA PLANTS db USFS  Adobe Acrobat Reader file (page 115) Wikipedia