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Catalogue of the flora of Montana and the Yellowstone National Park.
Publication info:
New York,1900.
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Flora of Colorado, by P.A. Rydberg.
Publication info:
Fort Collins, Col.,Experiment Station,1906.
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Flora of Colorado, by P.A. Rydberg.
Publication info:
Fort Collins, Col.,Experiment Station,1906.
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Flora of the Black Hills of South Dakota. By P.A. Rydberg.
Publication info:
Washington,Govt. Print. Off.,1896.
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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 Columbia / by P. A. Rydberg.
Publication info:
New York :Rydberg,1917.
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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...
Publication info:
New York : The author, 1917.
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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 Columbia, by P.A. Rydberg ...
Publication info:
New York,The author,1922.
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Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahom by John Kunkel Small.
Publication info:
New York,The author,1913.
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Flora of the southeastern United States;being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolin, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and the Indian territory and in Oklahoma and Texas east of the one-hundredth meridian /by John Kunkel Small ...
Publication info:
New York : The author, 1903.
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Key to the Rocky Mountain flora; Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and parts of Nebraska, South Dakota, North Dakota, and British Columbia.
Publication info:
New York,1919.
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Studies on Rocky Mountain flora.
Publication info:
New York,New York Botanical Garden,1899-1913.
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