The genus Viola (Violaceae) is among the 40–50 largest genera among angiosperms, yet its
taxonomy has not been revised for nearly a century. In the most recent revision, by Wilhelm …

The Viola epipsila-V. palustris complex is a highly taxonomically complicated group of
species in its entire circumboreal range of distribution. Habitat loss, forest flooding, and …

A precisely dated, high-resolution palynological profile shows that around 5680 BCE a
community that grew crops and raised livestock settled on the northern periphery of the area …

Molecular phylogenetics based on nucleotide sequence comparisons has profoundly
influenced plant taxonomy. A comprehensive chemotaxonomical approach based on GC …

Morphological characters, AFLP markers and flow cytometry were used to investigate the
morphological and genetic variability and differentiation of V iola reichenbachiana and V …

Carex acuta L., Carex tenuiflora Wahlenb., Eleocharis palustris (L.) Roem. et Schult., Lemna
trisulca L., Ranunculuspygmaeus Wahlenb., Viola epipsiloidesÄ. Löve et D. Löve и …

Phylogenetic relationships among and within the subsections of the genus Viola are still far
from resolved. We present the first organismal phylogeny of predominantly western …

The high morphological variability of Viola arvensis may hinder the proper identification of
the closely related species with an implication for biodiversity surveys. Variation in floral and …

Abstract The Olmos Formation (upper Campanian) is located in the Sabinas Basin in
northern Mexico. It represents a deltaic-fluvial system, and it is known by its abundance of …

Sažetak Pollen morphology of 17 species of Viola representing five sections, Melanium,
Plagiostigma,'Spathulidium'ined., Sclerosium, and Viola, was studied using light and …