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Chromosome numbers and karyotypes of South American species and populations of Hypochaeris (Asteraceae)
ArticleAbstract: One hundred and thirty-seven new chromosome counts are reported from 104 populations of 26 native SoPalabras claves:Cytotype mixture, EVOLUTION, Polyploidy, speciationAutores:Baeza C., Beck S.G., Hugo A. Valdebenito, Stuessy T., Tremetsberger K., Urtubey E., Weiss-Schneeweiss H.Fuentes:scopusA new biogeographic connection between islands in the Atlantic and Pacific Oceans
ArticleAbstract: THE affinities between floras of widely separated regions of the world, as well as modes of dispersaPalabras claves:Autores:Crawford D.J., Hugo A. Valdebenito, Stuessy T.Fuentes:scopusAFLP phylogeny of South American species of Hypochaeris (Asteraceae, Lactuceae)
ArticleAbstract: Hypochaeris is thought to have arrived in South America by dispersal over the Atlantic Ocean from NWPalabras claves:Amplified Fragment Length Polymorphism, Compositae, Hypochaeris, SOUTH AMERICAAutores:Baeza C., Beck S.G., Hugo A. Valdebenito, Kadlec G., Matzenbacher N., Ruas C., Stuessy T., Tremetsberger K., Urtubey E.Fuentes:scopusEvolution of Peperomia (Piperaceae) in the Juan Fernandez Islands, Chile
ArticleAbstract: Four species of Peperomia (Piperaceae) occur in the Juan Fernandez Islands, Chile:P. berteroana, P.Palabras claves:Angiosperms, CHILE, cladistics, cytology, flavonoids, Flora of the Juan Fernandez Islands, Peperomia, Phenetics, PiperaceaeAutores:Crawford D.J., Hugo A. Valdebenito, Mario S., Stuessy T.Fuentes:scopusSynonymy in peperomia berteroana (Piperaceae) results in biological disjunction between Pacific and Atlantic oceans
ArticleAbstract: Placing Peperomia berteroana of the Juan Fernandez Islands in the Pacific Ocean in synonymy with P.Palabras claves:Autores:Crawford D.J., Hugo A. Valdebenito, Stuessy T.Fuentes:scopus