Dichelostemma capitatum, Davidson, C 12126--USA, California, Napa Co. 16 Apr 2013 0010 (4).JPG
Native to Arizona, California, Mexico Northwest, Nevada, New Mexico, Oregon, Utah; introduced into Mexican Pacific Is. (source: POWO). Flora of the World documents 2 occurrences across 1 country.
Location
United States, California, Napa (Napa)
38.435861, -122.164861
Location Remarks
Highway 128, 2.6 miles east of junction with Highway 121. Elev. 267 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Oak woodland.
Location
United States, Arizona, Pima (Vail)
32.076361, -110.647778
Location Remarks
East Old Spanish Trail highway c. 10.6 km E of junction with South Old Spanish Trail highway (E of Tucson). Acacia-Larrea woodland with Yucca schidigera, Opuntia, Carnegiea. 1031 m elev.
Collectors
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Asparagales
Family
Asparagaceae
Genus
Dipterostemon
Specific Epithet
capitatus
Authorship
(Benth.) Rydb.
What is EDGE?
Evolutionary distinctiveness
Moderate
ED 12.3
Moderately distinct — it has closer living relatives than the most isolated species.
Threat status
Modelled estimate
EDGE score
1.3
Global rank
#27,866 of 335,497
Top 9%
Extinction probability
12%
