[Dudleyas and Liveforevers: The Genus Dudleya in the Mountains and Deserts of the American Southwest]

Arizona Chalk Dudleya

Dudleya arizonica

Synonym: Dudleya pulverulenta ssp. arizonica

Arizona Chalk Dudleya: Dudleya arizonica (Synonym: Dudleya pulverulenta ssp. arizonica)

Arizona chalk dudleya on granitic substrate on the canyon walls of Hornblende Canyon about one mile upstream from San Diego County Route S-2, Anza-Borrego Desert State Park.........March 26, 2011.

Arizona Chalk Dudleya: Dudleya arizonica (Synonym: Dudleya pulverulenta ssp. arizonica) - Habitat of Arizona Chalk Dudleya: Dudleya arizonica (Synonym: Dudleya pulverulenta ssp. arizonica)

Arizona chalk dudleya on horneblende substrates on the canyon walls of Hornblende Canyon about one mile upstream from San Diego County Route S-2, Anza-Borrego Desert State Park.........March 26, 2011.

Paul Slichter