Table of Contents
Introduction 7
What is a pteridophyte 8
How to use this book 10
Glossary 12
Pteridophyte identification
Introduction 14
Look-alikes 15
The four groups 16
Atypical ferns 19
Identification Keys
Clubmosses 20
Horsetails 22
Quillworts 26
Ferns 27
Guide to Families
Lycopodiaceae | Clubmosses; Selaginellaceae | Spikemosses 48
Isoetaceae | Quillworts 51
Equisetaceae | Horsetails 52
Ophioglossaceae | Adder's-tongues & Moonworts 58
Osmundaceae | Royal Fern 60
Marsileaceae | Pillwort 61
Hymenophyllaceae | Filmy-ferns 62
Polypodiaceae | Polypodies 64
Pteridaceae | Maidenhair, Jersey & Parsley Ferns 71
Dennstaedtiaceae | Bracken 72
Cystopteridaceae | Oak & Bladder-ferns 75
Aspleniaceae | Spleenworts 77
Woodsiaceae | Woodsias 80
Athyriaceae | Lady-ferns 80
Thelypteridaceae | Marsh & Beech Ferns 82
Blechnaceae | Hard-fern 83
Dryopteridaceae | Shield-, Male- & Buckler-ferns 84
The Species Accounts
Clubmosses 98
Quillworts 110
Horsetails 114
Ferns 132
All-year-round pteridology 256
Juvenile ferns 260
Urban ferns 263
Variation in pteridophytes 265
Non-native and nuisance pteridophytes 270
Further reading and references 275
Resources and submitting records 277
Acknowledgements and photographic credits 278
Index of English and scientific names 279