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Studies in the Eupatorieae (Asteraceae) . LXXVII. Additions to the genus Steviopsis
Volume 24, Page 60
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Studies in the Eupatorieae (Asteraceae). LXXXV. Additions to the genus Ageratina with a key to the Costa Rican species
Volume 24, Page 79
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Studies in the Eupatorieae (Asteraceae). LXXXVII. The genus, Alomia
Volume 24, Page 108
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Studies in the Eupatorieae (Asteraceae). LXXXVIII. Additions to the genus, Ageratum
Volume 24, Page 112
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New taxa and combinations in Machaerium (Leguminosae). II
Volume 24, Page 121
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Randias from Central America
Volume 24, Page 159
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Studies in the Eupatorieae (Asteraceae). XC. The genus, Campuloclinium
Volume 24, Page 170
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Studies in the Heliantheae (Asteraceae). I. A new species of Rhysolepis
Volume 24, Page 209
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Studies in the Eupatorieae (Asteraceae) . XCIX. A new genus, Amolina, and a new combination in Bartlettina
Volume 24, Page 265
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Studies in the Eupatorieae (Asteraceae) . CI. New species of Fleischmannia and Neomirandea
Volume 24, Page 281
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Supplementary studies in Chaetocalyx I. (Leguminosae) including a new species from Brazil
Volume 24, Page 295
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Studies in the Heliantheae (Asteraceae). II. A survey of the Mexican and Central American species of Simsia
Volume 24, Page 361
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Studies in the Eupatorieae (Asteraceae). CII. A new genus, Condylidium
Volume 24, Page 380
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Studies in Ichnanthus (Gramineae). II. New taxa and a new name in section Foveolata
Volume 24, Page 407
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Notes on Bromeliaceae, XXXIV
Volume 24, Page 419
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Additional notes on the Eriocaulaceae XXXIX
Volume 24, Page 455