Review Date1997-01-12
Change Date1997-02-20
Edition Date1997-01-12
Edition AuthorsJ. Ladyman
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences21 - 80
Rank ReasonsFound across the eastern half of Arizona, southern and western New Mexico, and into northern Mexico. Does not appear to be a rare plant. Described in 1994 as being common and frequent.