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A sketch of plant classification from Theophrastus to the present
Vol v.18 1918, Page 213, Date 1901-1945.
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Forests of Maryland
Vol 18, Iss 6, Page 120, Date 1918
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Murrill's and Saccardo's Names of Polypores Compared
Vol 18, Iss 6, Page 122, Date 1918
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THE FLORA OF INDIAN LADDER AND VICINITY; TOGETHER WITH DESCRIPTIVE NOTES ON THE SCENERY (Continued)
Vol 18, Iss 7, Page 127, Date 1918
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THE FLORA OF INDIAN LADDER AND VICINITY: TOGETHER WITH DESCRIPTIVE NOTES ON THE SCENERY
Vol 18, Iss 6, Page 101, Date 1918
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KEITHIA ON CHAMAECYPARIS THYOIDES
Vol 18, Iss 8, Page 157, Date 1918
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QUERCUS BERNARDIENSIS SP. NOV
Vol 18, Iss 8, Page 161, Date 1918
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Forests of Worcester County, Massachusetts
Vol 18, Iss 6, Page 119, Date 1918
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BOTANICAL ERRORS OF SOME WELL-KNOWN WRITERS
Vol 18, Iss 6, Page 117, Date 1918
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Britton's Flora of Bermuda
Vol 18, Iss 7, Page 153, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 6, Page 123, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 7, Page 154, Date 1918
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NOTE ON THE PLANTS OF WALLOP'S ISLAND, VIRGINIA
Vol 18, Iss 4, Page 70, Date 1918
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THE GENUS GLEICHENIA (DICRANOPTERIS) IN THE HAWAIIAN ISLANDS
Vol 18, Iss 3, Page 41, Date 1918
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NOTES ON SOUTHERN WOODY PLANTS
Vol 18, Iss 4, Page 71, Date 1918
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Rydberg's Flora of the Rocky Mountains
Vol 18, Iss 5, Page 91, Date 1918
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Two Connecticut forest reports
Vol 18, Iss 5, Page 94, Date 1918
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Robbins's The Botany of Crop Plants
Vol 18, Iss 3, Page 56, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 3, Page 59, Date 1918
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PRESERVING OUR WILD FLOWERS
Vol 18, Iss 4, Page 65, Date 1918
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Two Ecological Papers
Vol 18, Iss 3, Page 58, Date 1918
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THE LOCAL DISTRIBUTION OF INTRODUCED SPECIES NEAR DOUGLAS LAKE, MICHIGAN
Vol 18, Iss 5, Page 81, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 4, Page 75, Date 1918
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A NEW VARIETY OF RUBUS PARVIFLORUS
Vol 18, Iss 3, Page 54, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 2, Page 36, Date 1918
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SOME BOTANICAL NOTES FROM "THE CRUISE OF THE CORWIN"
Vol 18, Iss 10, Page 197, Date 1918
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SOME FARTHEST NORTH LICHENS AND MOSSES OF THE PEARY ARCTIC EXPEDITION TO GRANT LAND IN 1906
Vol 18, Iss 10, Page 210, Date 1918
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A SKETCH OF PLANT CLASSIFICATION FROM THEOPHRASTUS TO THE PRESENT (Continued)
Vol 18, Iss 12, Page 231, Date 1918
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LABRADOR TEA IN NEW JERSEY
Vol 18, Iss 12, Page 239, Date 1918
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A SKETCH OF PLANT CLASSIFICATION FROM THEOPHRASTUS TO THE PRESENT
Vol 18, Iss 11, Page 213, Date 1918
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FURTHER ADDITIONS TO THE FLORA OF WESTERN OREGON
Vol 18, Iss 11, Page 220, Date 1918
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McAtee's Natural History of the District of Columbia
Vol 18, Iss 12, Page 242, Date 1918
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NOTES ON THE FLORA OF LAKE LABISH, OREGON
Vol 18, Iss 9, Page 191, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 12, Page 243, Date 1918
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Feras of Tropical Florida
Vol 18, Iss 11, Page 226, Date 1918
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Billy, the Boy Naturalist
Vol 18, Iss 11, Page 229, Date 1918
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Emerson and Weed's Our Trees
Vol 18, Iss 8, Page 171, Date 1918
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Ward & Whtpple's Fresh-Water Biology
Vol 18, Iss 4, Page 74, Date 1918
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ECOLOGICAL SOCIETY OF AMERICA The Preservation Of Our Native Plants
Vol 18, Iss 8, Page 162, Date 1918
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NOTES ON THE FLORA OF BOULDER OCUNTY, COLORADO
Vol 18, Iss 9, Page 177, Date 1918
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Hall and Ingall on Illinois Forests
Vol 18, Iss 8, Page 166, Date 1918
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BRYOLOGICAL NOTES IV. A New Hybrid in Physcomitrium
Vol 18, Iss 3, Page 52, Date 1918
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THE HAWAIIAN SUMACH
Vol 18, Iss 9, Page 183, Date 1918
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Mosher's Grasses of Illinois
Vol 18, Iss 8, Page 172, Date 1918
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CHARLES KEENE DODGE
Vol 18, Iss 9, Page 188, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 8, Page 173, Date 1918
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ADDITIONS TO THE FLORA OF WESTERN OREGON
Vol 18, Iss 2, Page 21, Date 1918
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CONCERNING SOME SPECIES OF CARDUUS IN COLORADO
Vol 18, Iss 1, Page 14, Date 1918
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THE HAWAIIAN VIOLACEAE
Vol 18, Iss 1, Page 1, Date 1918
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SOME ABNORMAL POPLAR FLOWERS
Vol 18, Iss 1, Page 16, Date 1918
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A NEW HYBRID SUNFLOWER
Vol 18, Iss 1, Page 11, Date 1918
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PROCEEDINGS OF THE CLUB
Vol 18, Iss 5, Page 96, Date 1918