Field guide to orchids of North America
Subtitle: from Alaska, Greenland, and the Arctic, south to the Mexican border
By: John G. Williams & Andrew E. Williams ; illustrated by Norman Arlott ; foreword by Roger Tory Peterson.
Contributors: Williams, Andrew E.; Arlott, Norman.
Publisher: Universe Books
Published: 1983
Place of publication: New York
Language: eng
Number of pages: 143
Subjects: Orchids -- North America -- Identification.; Botany -- North America.
Notes: Bibliography: p. [139]
Includes index.