Field key to winter twigs : a guide to native and planted deciduous trees, shrubs and woody climbers (xylophytes) found in the British Isles : a companion volume to The vegetative key to the British flora (including taxa from Europe, North America, South-East Asia and beyond) /
Poland, John,1979-author.
Walls, Robin,illustrator.
Tomkinson, Philip,photographer.
Widdowson, Kevin,photographer.
Botanical Society of Britain & Ireland.
"First published 2018, reprinted with corrections 2020"--Title page verso.
"In association with the Botanical Society of Britain & Ireland"--Title page verso.