This is the opening paper in the special issue of Fungal Diversity, which collates the data on
defining species. Defining and recognizing species has long been a controversial issue …

The importance of hybridization in plant speciation and evolution has been debated for
decades, with opposing views of hybridization as either a creative evolutionary force or …

Motivation: Sequence-based methods to delimit species are central to DNA taxonomy,
microbial community surveys and DNA metabarcoding studies. Current approaches either …

The species problem has triggered the publication of an almost infinite number of theoretical
and practical studies, including quite a number of books. I should, therefore, perhaps briefly …

Phylogeography is a discipline concerned with various relationships between gene
genealogies—phylogenetics—and geography. The word “phylogeography” was coined in …

The issue of species delimitation has long been confused with that of species
conceptualization, leading to a half century of controversy concerning both the definition of …

The evolutionary history of the phytopathogenicGibberella fujikuroicomplex ofFusariumand
related species was investigated by cladistic analysis of DNA sequences obtained from …

This book is both a manual for the computer program MacClade, describing its features and
potential uses, as well as a portrayal of a phylogenetic approach to studying diversity and …

Cryptococcosis is a potentially lethal disease of humans/animals caused by Cryptococcus
neoformans and Cryptococcus gattii. Distinction between the two species is based on …

Speciation, the process through which new species come into being, is one of the central
topics of evolutionary biology. It links the great fields of micro-and macroevolutionary biology …