title: On the necessity of new characters for classification and systematics of biotrophic Peronosporomycetes.
authors.affiliation: Institute of Botany, University of Hohenheim, 70593, Stuttgart, Germany. spring@uni-hohenheim.de
authors.forename: Otmar
authors.initials: O
authors.lastname: Spring
authors.forename: Marco
authors.initials: M
authors.lastname: Thines
mesh_terms: D004275:DNA, Ribosomal / Q000235:genetics; D044742:Peronospora / Q000145:classification* / Q000648:ultrastructure; D010802:Phylogeny
chemical_list: D004275:DNA, Ribosomal