Saturday, May 18, 2013

Cylindropuntia echinocarpa (Engelm. & J. M. Bigelow) F. M. Knuth

Silver Cholla

A common sight out in the Mojave desert, Cylindropuntia echinocarpa can be a hazard to the unwary. Heavily armed with sharp spines, these cacti are none the less quite beautiful.

C. echinocarpa is found throughout the arid zones of the southwest, from California thought Arizona and Utah and down into Baja California.

Tuesday, May 7, 2013

Arctostaphylos hookeri var. hookeri

Hooker's Manzaneta


A class 1B.2 species, Arctostaphylos hookeri var. hookeri is found along the coast of California in Monterrey County growing in chaparral type habitats.  Like most Arctostaphylos, this species can be hard to identify without a significant amount of experience in keying the group.