Native to Idaho, Montana, Wyoming (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
United States, Idaho, Butte (Howe)
43.961722, -112.750611
Location Remarks
On Hwy 22 W of Dubois and 3.5 km W of Hwy 28 junction. Elev. 1557 m. (Close to Butte/Clark Co. line.)
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Crevices in open basalt flow.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Lamiales
Family
Plantaginaceae
Genus
Penstemon
Specific Epithet
cyaneus
Authorship
Pennell
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
#260,078 of 335,497
Top 78%
Extinction probability
12%