Premise of research. Numbering around 10,000 species, ferns are the second-largest group
of vascular plants. Relatively little work, however, has focused on the population genetic …

Colonization, levels of speciation and vegetational metamorphosis during ontogeny of
oceanic islands over geological time are central evolutionary and biogeographic concerns …

Resultados: Los caracteres morfológicos que separan el clado Sudamericano Austral de
Polystichum de las especies Andinas analizadas, son: los indusios, las espínulas foliares y …

Premise The historical biogeography of ferns is typically expected to be dominated by long‐
distance dispersal due to their minuscule spores. However, few studies have inferred the …

A review of work on the origin and phylogenetic relationships of six systems of allopolyploid
homosporous ferns and their progenitors serves as the basis for assessing the history and …

SUMMARY Background and aims: The Tandilia system is a fundamental refuge for a highly
diverse biota throughout the wide climatic variability of the mid-late Cenozoic that affected …

The transoceanic disjunct distributions between Australasia and Austral America have been
observed in many plant groups. The processes behind these disjunct distributions remain a …

Polystichum lionelii, a new fern species from the Andean mountain grasslands of
northwestern Argentina, is described and illustrated. It is morphologically well differentiated …

SUMMARY Background and aims: The Tandilia system is a fundamental refuge for a highly
diverse biota throughout the wide climatic variability of the mid-late Cenozoic that affected …

During the Botany 2019 meeting in Tucson, Arizona, a large group of colleagues convened
to celebrate the career achievements of Professor David Stanley Barrington with a …