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Adiantum in Nicaragua
Vol 31, Page 1
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New combinations in Perymenium and Oteiza (Asteraceae-Heliantheae)
Vol 31, Page 16
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A NEW PERUVIAN SPECIES OF SOLANUM-FERREYI NEW-SPECIES SECTION REGAMANDRA
Vol 31, Page 18
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Rapanea, Myrsinaceae, in the Pacific
Vol 31, Iss 1, Page 21
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Cenchrus laysanensis (Gramineae) of the Leeward Islands
Vol 31, Page 22
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NEW COMBINATIONS IN WEDELIA ASTERACEAE
Vol 31, Page 25
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Studies in the Eupatorieae (Asteraceae). CXLV. A new species of Bartlettina
Vol 31, Iss 1, Page 62
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Ultraviolet reflectance patterns in the Asteraceae, I
Vol 31, Iss 1, Page 66
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Additional notes on the genus Chascanum. VI
Vol 31, Iss 1, Page 122
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Polypodium in Nicaragua
Vol 31, Page 129
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Apollo 16 MEED mycology
Vol 31, Iss 2, Page 193
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New taxa in Peruvian Rubiaceae
Vol 31, Page 226
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NOTES ON NEW AND NOTEWORTHY PLANTS PART 78
Vol 31, Page 229
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THE SISYRINCHIUM OF THE BAHAMAS
Vol 31, Page 241
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Sur deux Tabernaemoniana de Guyane décrits par Poiret (1817)
Vol 31, Iss 3, Page 246
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TAXONOMIC NOTES ON CERTAIN TAXA OF ASIATIC FERNS
Vol 31, Page 251
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THE IDENTIFICATION OF SOME COTTON CULTIVARS
Vol 31, Page 259
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The use of technological properties of cotton varieties in the confirmation of their identity
Vol 31, Iss 3, Page 264
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Notes on the flora of Costa Rica, 4: New species in the Urticaceae
Vol 31, Page 267
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NOTES ON MIKANIA COMPOSITAE
Vol 31, Page 273
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THE SOUTH AMERICAN DISTRIBUTION OF THE MEMECYLEAE MELASTOMATACEAE IN RELATION TO THE GUIANA AREA AND TO THE QUESTION OF FOREST REFUGES IN AMAZONIA
Vol 31, Page 279
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NEW COMBINATION IN LASIANTHAEA-FRUTICOSA NEW-COMBINATION
Vol 31, Page 297
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ADDITIONAL NOTES ON THE GENUS ACANTHOLIPPIA PART 4
Vol 31, Page 298
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Additional notes on the genus Citharexylum. VI
Vol 31, Page 300
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Studies in the Eupatorieae (Asteraceae)---CXLVI. Two new species of Fleischmannia from Central America
Vol 31, Page 305
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STUDIES IN THE EUPATORIEAE ASTERACEAE PART 147 ADDITIONS TO THE GENERA AMBOROA AYAPANOPSIS AND HEBECLINIUM IN SOUTH AMERICA
Vol 31, Page 311
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Miscellaneous notes on neotropical flora, VII
Vol 31, Iss 4, Page 317
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Additional notes on the genus Citharexylum. VII
Vol 31, Iss 4, Page 334
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Notes on new and noteworthy plants. LXXIX
Vol 31, Iss 4, Page 360
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Studies in American plants, VII
Vol 31, Page 361
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Notes on certain taxa of Thelypteris (Thelypteridaceae) of Asia, II
Vol 31, Page 369
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Notes on new and noteworthy plants. LXXX
Vol 31, Iss 5, Page 373
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A fifth summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Dicrastylidaceae, Symphoremaceae, Nyctanthaceae, and Ericaulaceae of the World as to valid taxa, geographic distribution, and synonymy, Supplement 5
Vol 31, Iss 5, Page 374
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Henry Allan Gleason
Vol 31, Iss 6, Page 417
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RELATIONSHIPS OF HEDYOTIS-FRUTICOSA TO HOUSTONIA AND OLDENLANDIA
Vol 31, Page 418
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NEW COMBINATIONS IN HOUSTONIA RUBIACEAE
Vol 31, Page 425
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Nissolia chiapensis, a new species of Leguminosae from Mexico
Vol 31, Page 427
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Supplementary studies in Aeschynomene III; series Scopariae in Mexico and Central America
Vol 31, Iss 6, Page 431
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Tropical American plants, XVIII
Vol 31, Page 435
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Additional notes on the genus Citharexylum. VIII
Vol 31, Iss 6, Page 448
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The taxonomy of Parthenium section Partheniastrum DC. (Asteraceae-Ambrosiinae)
Vol 31, Page 463
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NEW SPECIES OF RUBIACEAE FROM VENEZUELA
Vol 31, Page 483
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A new Paullinia [P. oarrenoi] from Venezulea
Vol 31, Iss 6, Page 486
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Notes on new and noteworthy plants. LXXXI
Vol 31, Iss 6, Page 487
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Certamen Melastomataceis XXIV
Vol 31, Iss 6, Page 492