Oenothera cavernae Munz:
United States (North America)

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

Global Range: This species is found in Arizona, Nevada, Utah, and California (Kartesz 1999, Consortium of California Herbaria 2008). In Utah it has been documented in Kane, San Juan, and Washington counties (Welsh et al. 1993). In Arizona it is known from Coconino County, north and west of Navajo Bridge, at the Grand Canyon, and in Havasu Canyon (Kearney et al. 1951). In California, it is known from one site in San Bernardino County very close to the Nevada state line (Consortium of California Herbaria 2008).

Isotype for Oenothera cavernae Munz
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): P. A. Munz
Year Collected: 1940
Locality: Gypsum Cave, Frenchman Mt., near Las Vegas; alt. 1500 ft., Clark, Nevada, United States, North America
Elevation (m): 457 to 457

Comments: In Utah, this species occurs in warm desert shrub communities (Welsh et al. 1993).

United States

Rounded National Status Rank: N2 - Imperiled

Rounded Global Status Rank: G2 - Imperiled

Reasons: This species is known from a scattered distribution across four states. Although the specific number of occurrences is unknown, it has been documented in six or more counties across the four states, and appears to be reasonably common in Grand Canyon National Park.