Delforge P. Orchids of Europe, North Africa and the Middle East

London: A&C Black Publishers Ltd., 2006. – 640 p.This comprehensive field guide covers the identification, biology, and conservation of more than 520 species of orchid found in Europe, North Africa, and the Middle East. The detailed text and 1270 color photographs and line drawings allow specialists, as well as avid botanists and interested tourists, to identify the wild orchids of the region with precision.