IUCN threat status:

Least Concern (LC)


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Range Description

This species occurs from south-central Arizona in the USA (Sullivan et al. 1996), south to south-central Sonora, Mexico. Known from elevations from 150-900m asl (Bogert, 1962; Stebbins, 1985; Sullivan et al., 1996). In Arizona, it is known from Organ Pipe Cactus National Monument east across the Tohono O'odham Reservation to San Xavier Mission, throughout Pima County and north to Waterman Wash near Mobile, Arizona. It also occurs in Vekol Valley (Arizona Game and Fish Department 1992, Jones et al., 1983). Occurs on forty documented sites in Arizona (Schwartz pers. comm., 1997). Hulse (1978) mapped 17 collection sites in Mexico. Sullivan et al. (1996) mapped 51 historical collection locations. During a 1993-1994 Arizona survey, the species was relocated at or near all historical locations surveyed and at additional new sites for a total of 25 collection localities (Sullivan et al. 1996).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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