Essential reading for both the amateur gardener & professional botanist this is a definitive & comprehensive guide to all the native & naturalized grasses sedges rushes & ferns to be found in the British Isles & all those that are frequently found in north-western Europe. Over 420 species are described & over 350 are illustrated in full colour plates of exceptional beauty & accuracy. Following the general nomenclature & classification the author describes each species in detail stressing the features most important for accurate identification. There is also an invaluable illustrated glossary of technical terms & plant structures.