Autopolyploidy is more common in plants than traditionally assumed, but has received little
attention compared with allopolyploidy. Hence, the advantages and disadvantages of …

Life without the mustard family (Brassicaceae) would be a world without many crop species
and the model organism Arabidopsis (Arabidopsis thaliana) that has revolutionized our …

The Brassicaceae include several major crop plants and numerous important model species
in comparative evolutionary research such as Arabidopsis, Brassica, Boechera …

Biogeography of the tropical alpine flora of South and Central America, the páramo flora,
has been studied by dividing genera into tropical, temperate, and cosmopolitan chorological …

Traditionally, the Arctic has been viewed as an 'evolutionary freezer'with low evolutionary
rates caused by extreme environmental constraints and depauperated by repeated …

The alpine white‐flowered buttercup, Ranunculus kuepferi Greuter & Burdet, is a polyploid
complex with diploids endemic to the southwestern Alps and polyploids–which have been …

The micro‐evolutionary mechanisms that drive large‐scale radiations are not completely
understood, partly because of a shortage of population‐level studies aimed at identifying …

The origin of the arctic flora covering the northernmost treeless areas is still poorly
understood. Arctic plants may have evolved in situ or immigrated from the adjacent …

Alpine ecosystems are typically defined as those areas occurring above treeline, while
recognizing that alpine ecosystems at a local scale may be found below this boundary for …

The alpine zone of the Sierra Nevada of California, defined as non-forested areas at or
above 3500 m, includes 385 species (409 taxa) of native vascular plants. Were the alpine …