Per Axel Rydberg

Per Axel Rydberg is the author of books such as Catalogue Of the Flora Of Montana and The Yellowstone National Park.

Books by Per Axel Rydberg

Catalogue Of the Flora Of Montana and The Yellowstone National Park

Catalogue Of the Flora Of Montana and The Yellowstone National Park

Flora Of Colorado

Flora Of Colorado

Studies On Rocky Mountain Flora

Studies On Rocky Mountain Flora

Flora Of the Sand Hills Of Nebraska

Flora Of the Sand Hills Of Nebraska

Flora Of the Prairies and Plains Of Central North America

Flora Of the Prairies and Plains Of Central North America

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A Monograph Of the North American Potentilleae

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Memories From the Department Of Botany Of Columbia University

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Flora Of Rocky Mountains and Adjacent Plains