Sylvainia, a new monospecific genus within the subtribe Cephalanthinae (Rubiaceae, Naucleeae) by María Florencia Romero, Ana Maria Gonzalez, Roberto Manuel Salas

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Dos especies nuevas de Borreria (Rubiaceae), sinopsis y clave de las especies para Bahia, Brasil Two new species of Borreria (Rubiaceae), synopsis and key to distinguish the specie... by Elsa Leonor Cabral, Laila Mabel Miguel, Roberto Manuel Salas

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Colleters in Cephalanthus (Rubiaceae) and reevaluation of occurrence of corolline colleters in Angiosperms by MARÍA FLORENCIA ROMERO, ROBERTO MANUEL SALAS, ANA MARIA GONZALEZ

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Lectotypification, geographic distribution and conservation status of Cephalanthus glabratus (Naucleeae-Rubiaceae) by María Florencia Romero, Roberto Manuel Salas, Ana María Gonzalez

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Morphological and molecular data confirm the transfer of homostylous species in the typically distylous genus Galianthe (Rubiaceae), and the description of the new species Galianth... by Javier Elias Florentín, Andrea Alejandra Cabaña Fader, Roberto Manuel Salas, Steven Janssens, Steven Dessein, Elsa Leonor Cabral

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Complex causes and consequences of rangeland greening in South America – multiple interacting natural and anthropogenic drivers and simultaneous ecosystem degradation and recovery... by Wang Li, Robert Buitenwerf, Renata Nicora Chequín, Javier Elias Florentín, Roberto Manuel Salas, Julia Carolina Mata, Li Wang, Zheng Niu, Jens-Christian Svenning

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Synopsis of Rubiaceae from the Iguaçu National Park, Paraná, Brazil by Cristiane Ritter Rauber, Marlene Livia Toderke, Annielly da Silva Zini, Laura Cristina Pires Lima, Marcelo Galeazzi Caxambu, Roberto Manuel Salas, Elsa Leonor Cabral, Lívia Godinho Temponi

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