Per Axel Rydberg

Per Axel Rydberg

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Per Axel Rydberg

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Rydberg, one of the most productive scientists at the New York Botanical Garden during its first century, possessed a wealth of knowledge on the flora of the Ro

Per Axel Rydberg’s Botanical Collecting Trips to Western Nebraska in 1890 and 1891

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In the summer of 1891, Per Axel Rydberg and his assistant, Julius Hjalmar Flodman, collected plants in western Nebraska for the United States Department of Agri

Flora of Nebraska

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Bulletin

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Composed of the Report of the director and other administrative officers, together with occasional contributions on scientific subjects. Beginning in 1933 the a