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The subdivision of Asclepiadaceae
Volume 45, Page 1
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Miscellaneous notes on neotropical flora, XI
Volume 45, Page 17
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Lectotypes in the Lobeliaceae. Hawaiian plant studies 91
Volume 45, Page 30
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Taxa nova Gesneriacearum e flora Tibetica
Volume 45, Page 31
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Houstonia pusilla in Maryland and Virginia
Volume 45, Page 35
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NOTES ON NEW AND NOTEWORTHY PLANTS 133
Volume 45, Page 36
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Notes on the genus Coelocarpum
Volume 45, Page 40
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Notes on the genus Congea
Volume 45, Page 47
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Bryocrumia, a new genus of Hypnaceae (Musci)
Volume 45, Page 63
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Miscellaneous notes on the Hawaiian floras I
Volume 45, Page 67
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Nymphaea ampla (Nymphaeaceae), a waterlily new to Florida
Volume 45, Page 82
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Notes on the Lychnophorine genera Chresta and Eremanthus
Volume 45, Page 89
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STUDIES IN THE EUPATORIEAE ASTERACEAE 186. A REVIEW OF THE GENUS STYLOTRICHUM
Volume 45, Page 101
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STUDIES IN THE EUPATORIEAE ASTERACEAE 188. NEW SPECIES OF MIKANIA FROM BRAZIL
Volume 45, Page 124
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STUDIES IN THE EUPATORIEAE ASTERACEAE ADDITIONS TO ACRITOPAPPUS
Volume 45, Page 142
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New species of Vernonieae (Asteraceae)---IV. Three additions to Vernonia from Ecuador and Peru
Volume 45, Page 158
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New species of Vernonieae (Asteraceae). V. Additions to Vernonia from Brasil
Volume 45, Page 166
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NOTES ON NEW AND NOTEWORTHY PLANTS 134
Volume 45, Page 209
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Contribution to the lichen flora of Uruguay XIII. Lichens from Sierra Mahoma, San Jose Department
Volume 45, Page 217
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Begonia nomenclature notes. 4. The lectotypification of Begonia obliqua Linnaeus
Volume 45, Page 221
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Phytoplankton of the Tittabawassee River, Midland, Michigan
Volume 45, Page 255
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NOTES ON NEW AND NOTEWORTHY PLANTS 135
Volume 45, Page 270
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Materials toward a monograph of the genus Lampaya
Volume 45, Page 280
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Studies in Rhamnaceae I. Condalia henriquezii Boldingh in Venezuela
Volume 45, Page 283
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Studies in Rhamnaceae II. Ampelozizyphus amazonicus Ducke in Venezuela
Volume 45, Page 285
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Studies in neotropical Sapotaceae III. Ecclinusa guianensis Eyma in Panamá
Volume 45, Page 287
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Evaluation of H. Léveillés new Hawaiian species. Hawaiian plant studies 76
Volume 45, Page 289
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A new variety of Nototrichium viride (Amaranthaceae)
Volume 45, Page 295
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REDUCTION IN TAXONOMIC RANK OF SOME VERBENACEAE AND ERIOCAULACEAE
Volume 45, Page 296
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NOTES ON MIKANIA COMPOSITAE 6
Volume 45, Page 297
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Notulae de Gesneriaceis sinensibus
Volume 45, Page 301
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Certamen Melastomataceis XXXI
Volume 45, Page 321
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NOTES ON NEW AND NOTEWORTHY PLANTS 136
Volume 45, Page 335
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Additional notes on the genus Lampaya. I
Volume 45, Page 336
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Notes on the genus Peronema
Volume 45, Page 339
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Notes on the genus Neosparton
Volume 45, Page 349
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A NEW COMBINATION IN AGALINIS SCROPHULARIACEAE
Volume 45, Page 353
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Tillandsia valenzuelana A. Rich. in the Bahamas
Volume 45, Page 356
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Notulae de Gesneriaceis sinen-sibus (continued)
Volume 45, Page 361
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The Pediastrum of the upper Hackensack River Estuary
Volume 45, Page 381
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Myriophyllum spicatum L. along shores of Gulf of Mexico
Volume 45, Page 383
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Additional notes on the genus Neosparton. I
Volume 45, Page 385
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Additional notes on the genus Parodianthus. I
Volume 45, Page 394
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Notes on the genus Sphenodesme. Phytologia 46: 43-58. Mai 1980. MOLDENKE, HAROLD N. Notes on the genus Symphorema
Volume 45, Page 396
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New combinations and taxa of Hepaticae
Volume 45, Page 415
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Spiranthes chiangii (Orchidaceae), new species for the Chihuahuan Desert region
Volume 45, Page 449
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Harthamnus, a new genus of the Mutisieae from Bolivia (Asteraceae)
Volume 45, Page 451
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Studies in the Heliantheae (Asteraceae)---XXIII. New Andean species of Verbesina and Viguiera
Volume 45, Page 456
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A new species of Philonotis from Bolivia. (Musci: Bartramiaceae)
Volume 45, Page 460
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Studies in the Eupatorieae (Asteraceae)---CXC. A new genus Santosia
Volume 45, Page 463
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Notes on new and noteworthy plants. CXXXVII
Volume 45, Page 468
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Additional notes on the genus Vitex. XVI
Volume 45, Page 478
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Two Penstemons of Baja California, Mexico--one new [P. vizcainensis], one used (Scrophulariaceae)
Volume 45, Page 496
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NEW COMBINATIONS IN THE GENUS APHANOSTEPHUS ASTEREAE ASTERACEAE
Volume 45, Page 501