Aulne rouge
Alnus rubra Bong.

Alnus rubra is a species in the Betulaceae family, commonly known as Aulne rouge. It was first described in 1833 by Bong. This tree is native to regions including British Columbia, Alaska, California, Idaho, and Montana, and has been introduced to areas such as Belgium, France, the Netherlands, Great Britain, Ireland, and Argentina South. Its distribution also extends globally.
Description
Alnus rubra is a member of the Betulaceae family and is scientifically recognized as a distinct species within the Alnus genus. It is known by the common name Aulne rouge and is native to parts of North America, particularly the Pacific Northwest, including British Columbia, Alaska, California, Idaho, and Montana. The species has been introduced and cultivated in various parts of Europe, such as Belgium, France, the Netherlands, and the United Kingdom, as well as in South America, specifically Argentina South. Its global presence indicates widespread cultivation or naturalization beyond its native range. The species was first described in 1833 by Bong.
Other common names
Red AlderAulne rougeOregon alderWestern alder
Distribution
British Columbia · IE · Belgium · France · The Netherlands · Great Britain · GB · Ireland · England · Scotland · Wales · SE · AU · Global · NO · Alaska · Argentina South · California · Idaho · Montana · Oregon · Washington · Yukon
Synonyms
Alnus incana var. rubraAlnus oreganaAlnus rubra var. pinnatisectaAlnus rubra f. pinnatisectaAlnus rubra var. rubra