Trip to USGS sites in Devil's Playground 1-21-11 - robatzzyzx
Sahara Mustard and Mediterranean Grass (both non-native invasive species) in Kelso wash, just south of the Balch Clim Met site.

Sahara Mustard and Mediterranean Grass (both non-native invasive species) in Kelso wash, just south of the Balch Clim Met site.