An Illustrated Flora of the Northern United States and Canada, Vol. 3
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An Illustrated Flora of the Northern United States and Canada, Vol. 1
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The Cactaceae, Vol. 1
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The Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family; Volume 1
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The Vegetation of Mona Island, a Paper Read by Invitation at the Twenty-fifth Anniversary Celebration of the Missouri Botanical Garden, October 15, 1914
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A Preliminary Treatment Of The Opuntioideae Of North America
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Contributions To The Flora Of The Bahama Islands
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An Illustrated Flora of the Northern United States, Canada and the British Possessions; Volume I
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Flora Of Bermuda
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Descriptions of Cuban Plants new to Science
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Flora of Bermuda
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An Illustrated Flora of the Northern United States: Canada and the British Possessions From Newfoundland to the Parallel of the Southern Boundary of ... Atlantic Ocean Westward to the 102D Meridian
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An Illustrated Flora of the Northern United States: Canada and the British Possessions From Newfoundland to the Parallel of the Southern Boundary of V
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The Cactaceae: Descriptions And Illustrations Of Plants Of The Cactus Family; Volume 2
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An Illustrated Flora Of The Northern United States, Canada, And The British Possessions V2
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The Genus Eleocharis In North America
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Contributions to the botany of the Yukon Territory Volume 1901]
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An Illustrated Flora Of The Northern United States, Canada, And The British Possessions V1
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Catalogue of plants found in New Jersey [microform]
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The Flora of the American Virgin Islands (Classic Reprint)
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An Illustrated Flora of the Northern United States: Canada and the British Possessions From Newfoundland to the Parallel of the Southern Boundary of ... Ocean Westward to the 102D Meridian; Volume 1
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The Sedges of Jamaica
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The Genus Cereus and Its Allies in North America
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The Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family; Volume 3
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Studies in West Indian Plants
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Flora of Bermuda
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An Illustrated Flora of the Northern United States, Canada and the British Possessions: From Newfoundland to the Parallel of the Southern Boundary of ... Ocean Westward to the 102d Meridian Volume 2
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Preliminary Catalogue of Anthophyta and Pteridophyta, Reported as Growing Spontaneously Within One Hundred Miles of New York City
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