As a life-long resident of the U.S. state of Oregon, I find it absolutely galling how many of the field guides to the plants, animals, and fungi of this country are limited in their geographic range to the eastern portion of it. So when I learn of a new one being published that focuses the western U.S., I immediately take notice.
Such a forthcoming field guide is Ronald A. Russo’s thoroughly revised and updated edition of his original – and now out of print – Field Guide to Plant Galls of California and Other Western States (California Natural History Guide series). Soon to be published in the Princeton Field Guide series as Plant Galls of the Western United States, this new work expands the range of gall species covered by a remarkable 232, raising the total number of included species of galls to 536, including 231 different species of oak galls.
For those who have already discovered the wonders of plant galls, no reason needs to be given for why this book should pique your interest. For those who haven’t yet added the observation and study of these fascinating, multi-form protrusions, I highly recommend giving the activity consideration, as learning about them is a superb way to expand your understanding of botany, mycology, and entomology all at the same time.
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