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Native to Alberta, British Columbia, California, Idaho, Montana, Oregon, Washington; introduced into Uzbekistan, West Himalaya (source: POWO). Flora of the World documents 4 occurrences across 1 country.
Location
United States, Idaho, Boise County (Horseshoe Bend)
43.880646, -116.210635
Location Remarks
By the horse arena in the subdivision.
Collectors
Identified by
Notes
Shrub; flowering, fragrant flowers
Location
United States, Idaho, Boise (Lowman)
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors
Location
United States, Oregon, Malheur (Harper)
43.776083, -117.754528
Location Remarks
Hwy 20, ca. 37 km east of Frances St. in Juntura, in Simmons Gulch. Elev. 852 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Dirt bank just above cobbley gravel bar in the gulch, tributary to Malheur River.
Location
United States, California, Shasta (Bella Vista)
40.680083, -122.16925
Location Remarks
On Hwy 299 east of Redding.
Collectors
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Cornales
Family
Hydrangeaceae
Genus
Philadelphus
Specific Epithet
lewisii
Authorship
Pursh
What is EDGE?
Evolutionary distinctiveness
Lower
ED 0.8
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.1
Global rank
#288,863 of 335,497
Top 87%
Extinction probability
10%
