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NOTES ON THE USE OF CALCIUM-45 IN DETERMINING LEAF THICKNESS TAXONOMY
Vol 17, Page 1, Date 1968
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Additional notes on the genus Vitex. VIII
Vol 17, Page 8, Date 1968
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Flora of the prairie provinces: A handbook to the flora of the provinces of Manitoba, Saskatchewan and Alberta. II. Digitatae, Dimerae, Liberae (Cont.)
Vol 17, Page 57, Date 1968
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Notes on new and noteworthy plants. L
Vol 17, Page 113, Date 1968
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Additional notes on the genus Vitex. IX
Vol 17, Page 114, Date 1968
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A taxonomic revision of the genus Bonamia (Convolvulaceae)
Vol 17, Page 121, Date 1968
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ADDITIONAL NOTES ON THE GENUS VITEX-D X
Vol 17, Page 240, Date 1968
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A note on Bauhinia hagenbeckii Harms
Vol 17, Page 245, Date 1968
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Index Thelypteridis
Vol 17, Page 249, Date 1968
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Two newpinyon varieties from Arizona
Vol 17, Page 329, Date 1968
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THE ERUPTION IN HIIAKA CRATER ISLAND OF HAWAII USA EFFECTS ON PLANTS
Vol 17, Page 343, Date 1968
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Notes on new and noteworthy plants. LI
Vol 17, Iss 4, Page 344, Date 1968
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M XIII BIBLIOGRAPHY
Vol 17, Page 348, Date 1968
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Studies in Manettia (Rubiaceae) section Pyrrhanthos Schum
Vol 17, Page 353, Date 1968
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Transfers to Guapira from Torrubia (Nyctaginaceae)
Vol 17, Page 367, Date 1968
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Review of F. E. Wimmer, Campanulaceae Lobelioideae supplementum et Campanulaceae-Cyphioideae. Das Pflansonreich, IV. 276c (108. Heft), I-X, 816-1024; with description of Tematolobelia wimmeri Deg. & Deg., sp. nov
Vol 17, Iss 5, Page 369, Date 1968
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Additional notes on the Eriocaulaceae. XIV
Vol 17, Iss 5, Page 372, Date 1968
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Iconographia Cyperacearum II
Vol 17, Iss 5, Page 396, Date 1968
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Studies in the equitant Oncidiums II
Vol 17, Iss 6, Page 425, Date 1968
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Studies in the equitant Oncidiums. III
Vol 17, Iss 6, Page 429, Date 1968
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Two new species of pipewort [Paspalanthus restingensis, Syngonanthus robinsonii]
Vol 17, Iss 6, Page 435, Date 1968
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Pinus hartwegii in Honduras
Vol 17, Iss 6, Page 439, Date 1968
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A POSSIBLE NEW PLANT HORMONE XANTHIUM-PENSYLVANICUM-D ASCORBIC-ACID VITAMIN C
Vol 17, Page 441, Date 1968
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Borojoa and Tocoyena (Rubiaceae) in Panama
Vol 17, Page 445, Date 1968
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Additional notes on the Eriocaulaceae. XV
Vol 17, Iss 6, Page 450, Date 1968
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Additional notes on the Eriocaulaceae. XVI
Vol 17, Iss 7, Page 473, Date 1968