Learn about a variety of cactus species in Arizona. With this famous field guide by Nora Bowers, Rick Bowers, and Stan Tekiela, cactus identification is simple and informative. The features 50 of the most common and widespread species found in the state, organized by shape. Just look at the overall plant or stem shape, then go to the correct section to learn what it is. Fact-filled information contains the particulars that you want to know, while professional photographs provide the visual detail needed for accurate identification. Inside you’ll find: This second edition includes updated photographs, expanded information, and even more of the authors’ expert insights. So grab the for your next outing to help ensure that you positively identify the cacti you see.