| European alder | USDA PLANTS Symbol: ALGL2 U.S. Nativity: Exotic Habit: Hardwood Trees |
| Alnus glutinosa (L.) Gaertn. |
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Taxonomic Rank: Magnoliopsida: Fagales: Betulaceae |
| Synonym(s): black alder |
| Native Range: Europe to Cauc. And Siberia, N. Africa (REHD); Europe, North Africa, Asia (BAIL); |
Identification, Biology, Control and Management Resources
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| Selected Images from Invasive.org | View All Images at Invasive.org |
 Tree(s); habitat Robert Vidéki, Doronicum Kft., Bugwood.org Additional Resolutions & Image Usage |
 Tree(s); Urtica kioviensis; habitat Robert Vidéki, Doronicum Kft., Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Piero Amorati, ICCroce - Casalecchio di Reno, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Piero Amorati, ICCroce - Casalecchio di Reno, Bugwood.org Additional Resolutions & Image Usage |
 Twig(s)/Shoot(s); Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; flower Robert Vidéki, Doronicum Kft., Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Male flowers. Poland Gil Wojciech, Polish Forest Research Institute, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org Alternative content
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 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. Alternative content
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