"Field Guide to the Wild Flowers of Britain",
Reader's Digest Nature Lover's Library,
Readers Digest Association Limited
ISBN 0 276 002172

"Wild Flowers of Britain and Northwest Europe",
Christopher Grey-Wilson
Eyewitness Handbooks
Dorling Kindersley
ISBN 0 7513 1024 7

"The Hamlyn Photographic Guide to the Wild Flowers of Britain & Northern Europe",
Bob Gibbons & Peter Brough,
Chancellor Press
ISBN 0 75370 011 5

"The Encyclopedia of Wild Flowers"
John Akeroyd
Paragon Books
ISBN 0 75258 020 5

"Wild Flowers of Britain and Europe",
Photographic Field Guide,
Bob Press and Bob Gibbons,
New Holland Publishers Ltd
ISBN 1 85368 149 0

"Wild Flowers of Britain and Northern Europe",
Collins Pocket Guide,
Richard Fitter, Alastair, Marjorie Blamey
HarperCollins Publisher
5th edition
ISBN 0 00 220062 7

"The Wild Flowers of the British Isles,
Ian Gerrard, David Streeter,
Midsummer Books
2nd edition
ISBN 1 900732 03 3

"The Illustrated Wild Flower Finder's Calendar",
David Lang,
Chancellor Press,
3rd edition
ISBN 0 753704 12 9

"Wild Flowers of Britain",
Roger Phillips,
Pan Books
ISBN 0 330 25183X

"Herbs",
Pocket Encyclodedia,
Lesley Bremness,
Dorling Kindersley
ISBN 0 86318 436 7

"Guide to Herbal Remedies",
Martin Coventry,
Caxton Reference
ISBN 1 84067 182 3

"The New Herb Bible",
Earl Mindell,
Vermilion
ISBN 0 09 182 1444