Regularity: Regularly occurring
Global Range: Utah (Garfield and San Juan Counties), Colorado (La Plata, Mesa, Montezuma, Montrose) , New Mexico.
Catalog Number: US 1326722
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): F. H. Rose
Year Collected: 1922
Locality: Montezuma Forest, south of Lone Cone., Colorado, United States, North America
- Holotype: Tidestrom, I. F. & Dayton, W. A. 1928. Bull. Torrey Bot. Club. 55: 73.
Comments: Blackbrush, matchweed, and shadscale communities at 1370-1525 m (Welsh 1987). "Dry places, often on clay knolls or on shaley sandstone outcrops, from the sagebrush or saltbush plains up to the oak and ponderosa pine zones, often in the pinyon-juniper community" (Cronquist et al.1984).
National NatureServe Conservation Status
Rounded National Status Rank: N3 - Vulnerable
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