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Three new species of Dicotyledoneae from St. Lucia, West Indies
Volume 61, Page 1
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A new species of Monactis (Asteraceae) from northern Peru
Volume 61, Page 5
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Miscellaneous notes on Neotropical flora---XVI. New taxa in the Espeletiinae
Volume 61, Page 51
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Neotropical Myrsinaceae - XX
Volume 61, Page 62
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Two new species of Ageratina (Asteraceae-Eupatorieae) from Durango, Mexico
Volume 61, Page 77
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A floristic profile of the McDonough County, Illinois, U.S.A. spontaneous vascular flora
Volume 61, Page 209
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New species of Gigantopteridaceae from the lower Permian of Texas
Volume 61, Page 311
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Novitates Antillanae. XII
Volume 61, Page 353
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New and noteworthy species of Daphnopsis (Thymeleaceae) from Mexico and Centra l America
Volume 61, Page 361
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A new species of Rudbeckia (Asteraceae-Heliantheae) from hillside bogs in east Texas
Volume 61, Page 367
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Notes on the genus Clerodendrum (Verbenaceae), XXIX
Volume 61, Page 378
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On Aureolejeunea Schust. and Brachiolejeunea paramicola Herzog
Volume 61, Page 445
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The status of the genus Peyrischia (Gramineae: Pooideae)
Volume 61, Page 453
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Notes on the genus Clerodendrum (Verbenaceae). XXX
Volume 61, Page 456