This series of books is a translation of Flora Evropeiskoi Chasti SSR, which provides information on the wild and most important cultivated plants growing in the European portion of Russia and its bordering regions. The text describes plant systematics, habitat conditions, range, and chromosome numbers. The series serves as a manual for botanists, agronomists, teachers, students and naturalists. Volume 9 covers 45 families of higher plants with 162 genera and 860 species. This volume emphasizes the important cultivated species, including wild and introduced plants, and families Chenopodiceae and Polygonaceae.