Just a half hour drive from downtown Tucson a wilderness awaits in the Rincon Mountains of Saguaro National Park on the Tanque Verde Ridge Trail. 
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After reading the section about the canyon tree frog (Hyla arenicolor) in my old Field Guide to Western Reptiles and Amphibians by Robert Stebbins,...
Solanaceae is the nightshade family and according to my Hortus Third: A Concise Dictionary of Plants Cultivated in the United States and Canada, there...
There are around 150 species of Rhus (sumacs) found around the world in temperate regions. They are found in both North and South America...
