Introduction Orchid Biology Orchid Habitats Orchid Conservation Field Guide Notes on the species accounts Species Accounts Lady's-slipper Cypripedium calceolus Red Helleborine Cephalanthera rubra Sword-leaved Helleborine Cephalanthera longifolia White Helleborine Cephalanthera damasonium Lesser Twayblade Neottia cordata Common Twayblade Neottia ovata Bird's-nest Orchid Neottia nidus-avis Marsh Helleborine Epipactis palustris Dark-red Helleborine Epipactis atrorubens Broad-leaved Helleborine Epipactis helleborine Violet Helleborine Epipactis purpurata Narrow-lipped Helleborine Epipactis leptochila Dune Helleborine Epipactis dunensis Lindisfarne Helleborine Epipactis sancta Green-flowered Helleborine Epipactis phyllanthes Ghost Orchid Epipogium aphyllum Fen Orchid Liparis loeselii Bog Orchid Hammarbya paludosa Coralroot Orchid Corallorhiza trifida Creeping Lady's-tresses Goodyera repens Irish Lady's-tresses Spiranthes romanzoffiana Autumn Lady's-tresses Spiranthes spiralis Summer Lady's-tresses Spiranthes aestivalis Musk Orchid Herminium monorchis Man Orchid Orchis anthropophora Monkey Orchid Orchis simia Military Orchid Orchis militaris Lady Orchid Orchis purpurea Early Purple Orchid Orchis mascula Small White Orchid Pseudorchis albida Lesser Butterfly Orchid Platanthera bifolia Greater Butterfly Orchid Platanthera chlorantha Common Fragrant Orchid Gymnadenia conopsea Heath Fragrant Orchid Gymnadenia borealis Marsh Fragrant Orchid Gymnadenia densiflora Early Marsh Orchid Dactylorhiza incarnata Conten Frog Orchid Dactylorhiza viridis Common Spotted Orchid Dactylorhiza fuchsii Heath Spotted Orchid Dactylorhiza maculata Southern Marsh Orchid Dactylorhiza praetermissa Pugsley's Marsh Orchid Dactylorhiza traunsteinerioides Hebridean Marsh Orchid Dactylorhiza ebudensis Northern Marsh Orchid Dactylorhiza purpurella Irish Marsh Orchid Dactylorhiza occidentalis Dense-flowered Orchid Neotinea maculata Burnt Orchid Neotinea ustulata Lizard Orchid Himantoglossum hircinum Loose-flowered Orchid Anacamptis laxiflora Pyramidal Orchid Anacamptis pyramidalis Green-winged Orchid Anacamptis morio Small-flowered Tongue Orchid Serapias parviflora Greater Tongue Orchid Serapias lingua Fly Orchid Ophrys insectifera Bee Orchid Ophrys apifera Late Spider Orchid Ophrys fuciflora Early Spider Orchid Ophrys sphegodes Other species Orchid family tree Map of vice-counties Orchid flowering periods Site Guide Introduction to the site accounts Useful addresses Botanical organisations Abbreviations Site Accounts Southeast England Southwest England and Channel Islands East Anglia Central England Northern England and Isle of Man Wales Scotland Ireland Glossary Sources of information and bibliography Index of species.