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Atriplex frankenioides (Chenopodiaceae), a new species from Baja California, Mexico
Volume 30, Page 1
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New names and species of neotropical plants: Compositae
Volume 30, Page 5
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An earlier name for Bobea elatior (Rubiaceae). Hawaiian plants studies 46
Volume 30, Page 7
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Studies in the Eupatorieae (Asteraceae)---CXXXVII. Two new species of Neomirandea
Volume 30, Page 9
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NOTES ON NEW AND NOTEWORTHY PLANTS PART 75
Volume 30, Page 15
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Additional notes on the Eriocaulaceae. LIII
Volume 30, Page 16
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Two new species of Heliconia (Musaceae) from the Canal Zone and Panama
Volume 30, Page 65
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ADDITIONAL NOTES ON THE ERIOCAULACEAE PART 54
Volume 30, Page 71
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Additional notes on the genus Verbena. XXIII
Volume 30, Page 129
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Additional notes on the genus Baillonia. III
Volume 30, Page 180
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ADDITIONAL NOTES ON THE GENUS BOUCHEA PART 5
Volume 30, Page 182
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ADDITIONAL NOTES ON THE GENUS BURROUGHSIA PART 1
Volume 30, Page 186
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ADDITIONAL NOTES ON THE GENUS CASSELIA PART 3
Volume 30, Page 189
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Additional notes on the genus Chascanum. V
Volume 30, Page 199
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NOTES ON LEAF VARIATION IN LANTANA-ARISTEGUIETAE
Volume 30, Page 209
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Three new species of Heliconia (Musaceae) from Costa Rica
Volume 30, Page 210
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Studies in the Eupatorieae (Asteraceae) CXXXIX. A new genus Aristeguietia
Volume 30, Page 217
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Studies in the Eupatorieae (Asteraceae). CXL. A new genus Grosvenoria
Volume 30, Page 221
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Studies in the Eupatorieae (Asteraceae). CXLI. A new genus, Asplundianthus
Volume 30, Page 223
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Studies in the Eupatorieae (Asteraceae)---CXLII. A new genus Badilloa
Volume 30, Page 229
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Austral Hepaticae. V. Studies on Schistochilaceae
Volume 30, Page 241
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Additional notes on the Eriocaulaceae. LV
Volume 30, Page 251
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A new species of Rhynchostegiopsis from Costa Rica
Volume 30, Page 281
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Studies in the Eupatorieae (Asteraceae). CXXXVIII. A new genus, Critoniella
Volume 30, Page 284
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Notes on Bromeliaceae, XXXVII
Volume 30, Page 289
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New species from South America. II
Volume 30, Page 304
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ADDITIONAL NOTES ON THE ERIOCAULACEAE PART 56
Volume 30, Page 317
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Noteworthy grasses from Mexico III
Volume 30, Page 344
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NOTES ON NEW AND NOTEWORTHY PLANTS PART 76
Volume 30, Page 349
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FUNGI AND DISEASES OF ERYTHROXYLUM
Volume 30, Page 350
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DIATOMS AS WATER QUALITY INDICATORS PART 1
Volume 30, Page 369
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Les Verbénacées des monts Loma et des régions limitrophes (Sierra-Leone)
Volume 30, Page 385
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Notes on certain taxa of Thelypteris Schmidel (Thelypteridaceae) of Asia
Volume 30, Page 407
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A revision of the genus Cissampelos
Volume 30, Page 415
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A STUDY OF LICHENS FROM ABACO ISLAND THE BAHAMAS
Volume 30, Page 485