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A guide for plant collectors to specialized substrate terms of use in Latin America: substrates of animal origin
Volume 60, Page 1
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Notes on the Cyclanthaceae of southern Central America including three new species
Volume 60, Page 5
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Revisión de dos secciones del género Cuphea P. Browne (Lythraceae)
Volume 60, Page 17
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Plantae mesoamericanae novae. XI
Volume 60, Page 73
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Novelties and new combinations in Machaeranthera (Asteraceae - Astereae)
Volume 60, Page 77
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Studies in the Eupatorieae (Asteraceae)---CCXXII. New combinations and new species from tropical America
Volume 60, Page 80
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Desmanthus balsensis (Leguminosae: Mimosoideae), una especie nueva de la depresion del Rio Balsas en Guerrero, Mexico
Volume 60, Page 89
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Mistaken identity in annual Eragrostis (Gramineae)
Volume 60, Page 95
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A new combination in Penstemon (Scrophulariaceae)
Volume 60, Page 105
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A new species of Achyrocline (Inuleae-Asteraceae) from Peru
Volume 60, Page 107
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Passiflora tryphostemmatoides and its allies
Volume 60, Page 119
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Distributional additions for some Illinois vascular plants
Volume 60, Page 159
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A new section and subspecies of Calandrinia (Portulacaceae)
Volume 60, Page 171
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Ixoras malgaches nouveaux à fleurs solitaires
Volume 60, Page 243
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A second species of Tetrachyron (Asteraceae-Heliantheae) from Oaxaca, Mexico
Volume 60, Page 251
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Tres especies nuevas de Pinguicula (Lentibulariaceae) de Mexico
Volume 60, Page 255
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New taxa of Venezuelan Araceae
Volume 60, Page 293
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Plantae mesoamericanae novae. XII
Volume 60, Page 369
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Penstemon penlandii, spec. nov. (SCR) from Colorado
Volume 60, Page 459