Endemic to Japan; introduced into Korea (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
United States, California, Sonoma County (Glen Ellen)
38.37466, -122.512543
Location Remarks
12841 Sonoma Highway, Glen Ellen
Collectors
No collectors specified
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Fagales
Family
Betulaceae
Genus
Alnus
Specific Epithet
firma
Authorship
Siebold & Zucc.
What is EDGE?
Evolutionary distinctiveness
Lower
ED 5.8
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.4
Global rank
#117,453 of 335,497
Top 36%
Extinction probability
8%