An Illustrated guide to the endangered, threatened and sensitive vascular plants of Washington
By: [compiled and written by the Washington Natural Heritage Program ; Project coordinator, David Mladenoff ; primary authors, Mark Sheehan, Reid Schuller]
Contributors: Washington Natural Heritage Program; Smith, Welby R.
Publisher: Washington Natural Heritage Program
Published: 1981
Place of publication: Olympia, Wash
Language: eng
Number of pages: 328
Subjects: Rare plants; Endangered species
Notes: "July, 1981."

Includes index.

Bibliography: p. 317-318.