The family Brassicaceae is well known for its large variation in chromosome numbers,
common occurrence of polyploids and many reports of interspecific gene flow. The present …

Phylogenetic analyses of DNA sequences have prompted spectacular progress in
assembling the Tree of Life. However, progress in constructing phylogenies among closely …

Background DNA sequences are increasingly seen as one of the primary information
sources for species identification in many organism groups. Such approaches, popularly …

DNA barcoding based on the mitochondrial cytochrome c oxidase 1 (cox1) sequence is
being employed for diverse groups of animals with demonstrated success in species …

Trifolium, the clover genus, is one of the largest genera of the legume family. We conducted
parsimony and Bayesian phylogenetic analyses based on nuclear ribosomal DNA internal …

The Brassicaceae is a large plant family (338 genera and 3,700 species) of major scientific
and economic importance. The taxonomy of this group has been plagued by convergent …

The Ligularia–Cremanthodium–Parasenecio (L–C–P) complex of the Tussilagininae
(Asteraceae: Senecioneae) contains more than 200 species that are endemic to the Qinghai …

Background A full understanding of the patterns and processes of biological diversification
requires the dating of evolutionary events, yet the fossil record is inadequate for most …

Caryophyllaceae is a principally holarctic family including around 2200 species often
classified into the three subfamilies Alsinoideae, Caryophylloideae, and Paronychioideae …

Balsaminaceae are a morphologically diverse family with ca. 1,000 representatives that are
mainly distributed in the Old World tropics and subtropics. To understand the relationships of …