Listmania!
British wildlife: the handiest field guides
MushroomsMushrooms by Roger Phillips
Buy new: £10.44 / Used from: £9.99
Roger Phillips' new version of the classic guide is the best yet - 1250 photos
Mushrooms and Toadstools of Britain and Europe (Collins Field Guide)Mushrooms and Toadstools of Britain and Europe (Collins Field Guide) by Regis Courtecuisse
Much more exhaustive than Phillips - 3000 species, 1750 of which are illustrated - and the size of a true field guide. The illustrations are accurate and lifelike. It's worth owning them both.
The Moss Flora of Britain and IrelandThe Moss Flora of Britain and Ireland by A. J. E. Smith
Buy new: £51.47 / Used from: £48.58
The standard guide to the 760 species of Britain & Ireland
The Liverworts of Britain and IrelandThe Liverworts of Britain and Ireland by Anthony John Edwin Smith
Buy new: £26.13 / Used from: £38.63
Not perhaps the best selling field guide on the list...
Grasses, Sedges, Rushes and Ferns of Britain and Northern Europe (Collins Pocket Guide)Grasses, Sedges, Rushes and Ferns of Britain and Northern Europe (Collins Pocket Guide) by Richard Sidney Richmond Fitter
Buy used from: £66.95
Fitter, Fitter & Farrer's 1984 guide to those "not quite flowers"
Colour Identification Guide to the Grasses, Sedges, Rushes and Ferns of the British Isles and North Western EuropeColour Identification Guide to the Grasses, Sedges, Rushes and Ferns of the British Isles and North Western Europe by Francis Rose
Buy new: £30.18 / Used from: £31.78
Francis Rose's 1989 alternative to the Collins guide
The Wild Flowers of Britain and Ireland: A New Guide to Our Wild Flowers (Tandem)The Wild Flowers of Britain and Ireland: A New Guide to Our Wild Flowers (Tandem) by Marjorie Blamey
Buy new: £11.04 / Used from: £7.50
About the best non-specialist guide with delightful plates by Blamey - includes grasses and conspicuous ferns
The Wild Flower Key (Revised Edition) - How to identify wild plants, trees and shrubs in Britain and IrelandThe Wild Flower Key (Revised Edition) - How to identify wild plants, trees and shrubs in Britain and Ireland by Francis Rose
Buy new: £12.99 / Used from: £12.29
The other great popular guide by Francis Rose in a new edition
New Flora of the British IslesNew Flora of the British Isles by Clive Anthony Stace
Buy new: £35.64 / Used from: £37.96
The standard Flora of the British Isles, covering all 4500+ species - for all serious botanists. This can - just - be used in the field, but see below
Field Flora of the British Isles (Plastic cover)Field Flora of the British Isles (Plastic cover) by Clive Anthony Stace
Buy new: £19.49 / Used from: £20.00
The abridged, field portable version of Stace above
Insects of Britain and Northern Europe (Collins Field Guide)Insects of Britain and Northern Europe (Collins Field Guide) by Michael Chinery
Buy new: £17.50 / Used from: £12.00
This standard insect guide by Michael Chinery will take you to family and sometimes genus, mainly by use of keys
Insects of Britain and Western Europe (Domino Field Guide)Insects of Britain and Western Europe (Domino Field Guide) by Michael Chinery
Buy new: £9.89 / Used from: £6.59
For those who rely more on visual clues, this alternative Chinery identifies 2000+ insects - an ideal compliment to the above
Britain's DragonfliesBritain's Dragonflies by Dave Smallshire
Buy new: £10.50 / Used from: £8.77
I hate to have to choose, but this is about the best dragonfly guide. Makes use of computer-enhanced photos
Field Guide to the Dragonflies and Damselflies of Great Britain and IrelandField Guide to the Dragonflies and Damselflies of Great Britain and Ireland
Buy new: £18.49 / Used from: £18.79
If you can manage it, get Brooks & Lewington too - a wondeful guide with superb plates
Field Guide to the Moths of Great Britain and IrelandField Guide to the Moths of Great Britain and Ireland by Paul Waring
Buy new: £28.45 / Used from: £28.39
There was South, then Skinner, but Richard Lewington's plates make this the definitive macro moth guide by far
Britain's Butterflies (Wild Guides)Britain's Butterflies (Wild Guides) by David Tomlinson
Buy new: £13.27
For butterflies you can't do much better than WILDGuides, again with the halmark computer-enhanced photography approach
Butterflies of Britain and Europe (Collins Field Guide)Butterflies of Britain and Europe (Collins Field Guide) by Tom Tolman
But I couldn't resist getting this too - again for Lewington's plates
The Colour Identification Guide to Caterpillars of the British Isles: (Macrolepidoptera)The Colour Identification Guide to Caterpillars of the British Isles: (Macrolepidoptera) by Jim Porter
While the books above do cover larval stages to some extent, this is the definitive guide to caterpillars
Grasshoppers and Allied Insects of Great Britain and IrelandGrasshoppers and Allied Insects of Great Britain and Ireland by Judith Marshall
Buy new: £18.87 / Used from: £8.29
All the Orthoptera - grasshoppers and crickets
British Hoverflies: An Illustrated Identification GuideBritish Hoverflies: An Illustrated Identification Guide by Alan E. Stubbs
Buy new: £30.00
The standard guide to all 276 British species
Spiders of Britain and Northern Europe (Collins Field Guide)Spiders of Britain and Northern Europe (Collins Field Guide) by Michael J. Roberts
Buy new: £16.99 / Used from: £15.30
If you must... The standard guide and much as I am curious about spiders, I have always found the plates a little off-putting. Certainly this guide can take me well beyond my level of expertise.
Reptiles and Amphibians of Britain and Europe (Collins Field Guide)Reptiles and Amphibians of Britain and Europe (Collins Field Guide) by Nick Arnold
Buy new: £25.15 / Used from: £15.00
The only guide to herps. Slightly awkward distribution of text, plates & maps.
Collins Bird Guide: The Most Complete Guide to the Birds of Britain and EuropeCollins Bird Guide: The Most Complete Guide to the Birds of Britain and Europe by Lars Svensson
Buy new: £15.99 / Used from: £8.98
The only bird guide you will need - both in the UK and on the continent. Simply the best field guide to any avifauna.
Mammals of Britain and Europe (Collins Field Guide)Mammals of Britain and Europe (Collins Field Guide) by David W. Macdonald
Buy new: £16.25 / Used from: £12.99
The standard guide by leading expert David MacDonald - feels in need of revision now.
Whales and Dolphins of the European Atlantic (Ocean Guides)Whales and Dolphins of the European Atlantic (Ocean Guides) by Graeme Cresswell
Buy new: £3.08 / Used from: £2.25
Covers all 27 species of whales & dolphins in a much more field friendly way to Macdonald - ideal for sea crossings