Comprehensive, illustrated checklist and field guide covering 223 species, 24 subspecies and varieties, 103 growth and colour forms, and 24 hybrids. Enhanced by colour photographs and drawings of each species, subspecies, and variety, many highlighting unusual colour or growth forms. Includes distribution range, recent synonyms, and all subspecies varietal and forma information as well as comments about the special aspects of each species. Taxonomy and distribution data directly complement information in the Flora of North America project and the parallel dichotomous keys will be useful in the field.
A labor of love. An exhaustive study, both comprehensive and precisely outlined. - Andy Easton, American Orchid Society; "[The] best one-volume field guide available for orchid enthusiasts and wildflower lovers.... Sophisticated and thorough enough to satisfy the most ardent field enthusiast and simple and straightforward enough to encourage the greenest novice." - Helen K. Jeude, Flora of North America North of Mexico project