Codonopsis and its allied genera, are a group of plants which are important in economy and horticulture. A Monograph of Codonopsis and Allied Genera (Campanulac

This critical Flora provides a definitive account of the native species, naturalised species, frequent garden escapes and casuals found in the British Isles. Fu

The bluebell family Campanulaceae is found throughout the world, and includes a large number of species important in ornamental horticulture. In this volume, th