Books by Rydberg, Per Axel
Total count: 21
The North American species of Physalis and related generaTorrey Botanical Club1896-01-01
Studies on Rocky Mountain flora.New York Botanical Garden1899-01-01
Studies on the Rocky Mountain flora1900-01-01
Catalogue of the flora of Montana and the Yellowstone National Park.1900-01-01
Studies on the Rocky Mountain floraTorrey Botanical Club1900-01-01
Flora of ColoradoExperiment Station1906-01-01
Flora of the Rocky Mountains and adjacent plainsColorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British ColumbiaRydberg1917-01-01
Key to the Rocky Mountain floraColorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and parts of Nebraska, South Dakota, North Dakota, and British Columbia.1919-01-01
Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and the neighboring parts of Nebraska, South Dakota, and British Columbia2d ed.The author1922-01-01
Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia2nd ed. --The author1922-01-01