Plant Galls of the Western United States

This detailed guide explores the fascinating world of plant galls found west of the Rockies, featuring 536 species and their unique growth patterns. With stunning photographs and in-depth descriptions, it delves into how galls are formed by various organisms such as bacteria, fungi, and insects. The guide covers a variety of gall shapes and colors, highlighting their development, seasonal changes, and defense mechanisms. It also provides insight into the species responsible for these galls, including those on trees, shrubs, and other plants. Notable for featuring many previously undocumented species, this guide is a comprehensive resource for both enthusiasts and researchers alike.