Fern species represent one of the most diverse and evolutionarily significant lineages of vascular plants. Over recent decades, phylogenetic studies have endeavoured to elucidate the evolutionary ...

Animal systematics and taxonomy provide the fundamental framework for understanding the immense diversity of animal life. By integrating traditional morphological evaluation with modern molecular ...

Classification is a natural human propensity—we organize our clothes, our kitchen cupboards, and our toys. This applies to the natural world, too, where animals and plants are grouped based on ...