Article

At present the taxonomy of Phaeophyceae is based not only on morphological characters, but also in uItrastructural and biochemical characters and in molecular data. Although molecular techniques have allowed us to clariry the taxonomy of brown algae, many problems remain unresolved. The main changes that the taxonomy of Phaeophyceae has undergone in recent years, particularly conceming Mediterranean taxa, and the problems that remain without solution are presented.