Fusarium: more than a node or a foot-shaped basal cellGenome-scale phylogenies reveal relationships among Parastagonospora species infecting domesticated and wild grassesGenetic diversity and host plant preferences revealed by simple sequence repeat and mitochondrial markers in a population of the arbuscular mycorrhizal fungus Glomus intraradicesMultilocus genotyping of arbuscular mycorrhizal fungi and marker suitability for population genetics