Species concept and delimitation are fundamental to taxonomic and evolutionary studies.
Both inadequate informative sites in the molecular data and limited taxon sampling have …

Stachyuraceae consist of a single genus Stachyurus with about ten species endemic to
eastern Asia. The family was recently shown to be sister to the western North American …

Staphyleaceae traditionally comprises three genera of temperate and tropical trees and
shrubs: Euscaphis Siebold & Zucc., Staphylea L., and Tuprinia Vent. These genera are …

Abstract Stachyuraceae, an East Asian endemic family of shrubs or small trees, comprises a
single genus, Stachyurus (c. 11 spp.). Despite previous extensive studies based on both …

The present paper, mainly dealing with phytogeographical, Cytological and Palynolo gical
studies on Chinese Stachyuraceae, is the first part of a series of contributions to systematics …

Comprising ca. 200 species, Saxifraga sect. Ciliatae is the most species‐rich section of
Saxifraga s. str., whose center of diversity is in the Tibeto‐Himalayan region. The infra …

Sedum is the largest succulent genus in Crassulaceae. Because of predominant maternal
inheritance, little recombination, and slow evolution, plastomes can serve as powerful super …

Accurately resolving the phylogeny of enigmatic taxa is always a challenge in phylogenetic
inference. Such uncertainties could be due to systematic errors or model violations. Here …

The genus Tetradesmus (Scenedesmaceae; Sphaeropleales) comprises one of the most
abundant green algae in freshwater environments. It includes morphologically diverse …

Abstract The Eurasian and Mediterranean Selaginella helvetica group is one of the
taxonomically challenging groups in the cosmopolitan lycophyte genus Selaginella. Species …