Penstemon humilis, C. Davidson 13719--ID. Boise Co. Scott Mtn. L.O. rd. 15 July 2017. DSC03279 (206).JPG
Native to California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming (source: POWO). Flora of the World documents 5 occurrences across 1 country.
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
Christopher Davidson, Sharon R. Christoph
Notes
Gravelly-sandy raodbank at a saddle in lodgepole forest.
Location
United States, Idaho, Idaho (McCall)
45.244, -115.588639
Location Remarks
1.9 km N of Warren Summit on FSR 340, at Mayflower Creek Bridge. Elev. 1904 m.
Collectors
Location
United States, Idaho, Blaine (Bellevue)
43.34475, -114.382972
Location Remarks
Rock Creek Ranch, a Nature Conservancy reserve. Main access road ca. 1 km north of Hwy 20. 1494 m elev.
Collectors
Christopher Davidson, Sharon R. Christoph, Clark Shafer
Notes
Upland intermountain steppe over weathered basalt. North slope above Rock Creek and environs. Surface-dry clay soil between Artemisia shrubs.
Location
United States, Idaho, Valley (Cascade)
44.158, -116.118361
Location Remarks
Highway 55 c. 10 km north of the bridge at Banks. Mixed conifer forest along the N. Fork Payette River.
Collectors
Location
United States, Oregon, Wallowa (Imnaha)
45.579306, -116.960556
Location Remarks
The Nature Conservancy's Zumwalt Prairie Preserve. 0.6 km NE past Summer Camp barn on Trail Creek Rd. Elev. 1371 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Grassy hillside. Lightly grazed. Gentle north slope.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Lamiales
Family
Plantaginaceae
Genus
Penstemon
Specific Epithet
humilis
Authorship
Nutt. ex A.Gray
What is EDGE?
Evolutionary distinctiveness
Lower
ED 1.8
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.2
Global rank
#208,003 of 335,497
Top 62%
Extinction probability
12%
