The bellflower Family Campanulaceae is found throughout the world, and includes a large number of species important in ornamental horticulture. For the past quarter century, Dr. Thomas Lammers has devoted his professional career to a better understanding of its relationships, classification, distribution, and evolution. In this volume, he provides a thorough accounting of the family, the first to be published since 1839. Eighty-four genera are recognized, encompassing 2319 species, 391 subspecies, and 27 named hybrids; another 8135 names are treated as synonyms. For each recognized species,...