Steyermark's Flora of Missouri is intended to serve as an encyclopedic reference tool for both professionals in biology and related fields and for the large group of dedicated amateur botanists and naturalists who have created the unique environment in which conservation, natural history, and other outdoor activities thrive and are supported in the state. This volume contains treatments of 1,235 taxa, including 1,031 species and 124 hybrids in the alphabetical sequence of dicot families Fabaceae through Zygophyllaceae.