Graph of vegetation communities along the Colorado River

Graph of vegetation communities along the Colorado River downstream of Glen Canyon Dam. Baccharis emoryi, Baccharis salicifolia, and Baccharis sarothroides relative cover distribution between river mile 0 to river mile 245. Vertical dotted lines on each graph delineate Marble Canyon, Eastern Grand Canyon, and Western Grand Canyon. Graph modified from Palmquist et al. (2018). Photos of each species are located to the right of their distribution. Click on graph to enlarge.