Flora of the Rocky Mountains and adjacent plains
Subtitle: Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia
By: by P.A. Rydberg ...
Edition: 2d ed.
Publisher: The author
Published: 1922
Place of publication: New York
Language: eng
Number of pages: 1143
Subjects: Botany -- Rocky Mountains.