Biodiversity Heritage Library
By "Rydberg, Per Axel, 1860-"
Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia, by P. A. Rydberg...
By: Rydberg, Per Axel,
Publication info: New York,The author,1917.
Contributed by: University of California Libraries (archive.org)