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Phylogeography and palaeodistribution modelling in the Patagonian steppe: the case of Mulinum spinosum (Apiaceae)
It is probable that glaciations did not greatly affect the distribution of Mulinum spinosum, and the distribution model for the LGM did not show important shifts of the extant range to lower latitudes, except for a shift towards the palaeoseashore.
Phylogeography and palaeodistribution modelling of Nassauvia subgenus Strongyloma (Asteraceae): exploring phylogeographical scenarios in the Patagonian steppe
Assessment of demographic processes and historical events that shaped current geographic patterns of haplotypic diversity; analyze hypotheses of isolation in refugia, fragmentation of populations, and/or colonization of available areas during Pleistocene glaciations; and model extant and palaeoclimatic distributions to support inferred phylogeographical patterns.
Unraveling patterns and processes of diversification in the South Andean-Patagonian Nassauvia subgenus Strongyloma (Asteraceae, Nassauvieae).
The integration of the molecular analyses and previous taxonomic, morphological, and molecular studies support subgenus Strongyloma as a monophyletic group, and the molecular data presented here agree with previous morphological studies, in that the five putative species typically accepted in this sub genus are not independent taxa.
Taxonomic re-evaluation of Panicum sections Tuerckheimiana and Valida (Poaceae: Panicoideae) using morphological and molecular data
Fil: Lizarazu, Mabel Angela. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto de Botanica Darwinion. Academia Nacional de Ciencias Exactas, Fisicas y Naturales. Instituto de…
Geographic Variation among Closely Related, Highly Variable Species with a Wide Distribution Range: The South Andean-Patagonian Nassauvia subgenus Strongyloma (Asteraceae, Nassauvieae)
Despite an association between morphological variation with geography and climate, actual geographic distributions of the putative species did not entirely match the clinal pattern of morphology, geography, and climate.
Phylogenetic analysis and taxonomic position of section Verrucosa of Panicum and its relationship with taxa of the Sacciolepis–Trichanthecium clade (Poaceae: Panicoideae: Paniceae)
The new genus Kellochloa is proposed, on the basis of morphological and molecular characters, to include two North American species of Panicum s.l., previously classified in sect. Verrucosa:…
On the identity of the new family Pycnanthaceae Ravenna
- M. Nicola
- Geography, Biology
La posicion taxonomica de la familia Pycnanthaceae Ravenna se analiza, y una lista de las especies de Malaxis que crecen en la Argentina es incluye una clave para distinguirlas.
Nomenclatural and taxonomic study in species of Viola (Violaceae) from Argentina
During the revision of Viola for the Flora of Argentina project, names which need an exhaustive nomenclatural and taxonomic study are detected and 43 lectotypes and three neotypes are designated for accepted names and synonyms of the genus.
Lectotypification of Siphocampylus (Campanulaceae) from Argentina
During the revision of Siphocampylus for the Flora of Argentina, names which need lectotypification are detected and lectotypes are designated for the following names: S. nemoralis, S. grisebachii, and S. orbignianus.
A New Species of Mastigostyla (Iridaceae) from Argentina
Mt. coronata is described and illustrated, a new species of Iridaceae from the high Andes of Jujuy (Argentina), morphologically similar to Mastigostyla vargasii, and supported by a phylogenetic analysis based on plastid markers.