There are around 150 species of Rhus (sumacs) found around the world in temperate regions. They are found in both North and South America...
There are 13 species of oaks found in Arizona and they range from 3,000 to 8,000 feet in elevation across the state. The only...
Every time I pull a reference book or field guide off the shelf to read about a recently seen insect I seem to run...
