1 Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza de Ramón y Cajal s/n, 28040 Madrid, Spain. Electronic address: amcrespo@ucm.es.
2 CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, the Netherlands. Electronic address: p.crous@cbs.knaw.nl.
3 Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza de Ramón y Cajal s/n, 28040 Madrid, Spain. Electronic address: pkdivaka@farm.ucm.es.
4 Science & Education, The Field Museum, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA. Electronic address: tlumbsch@fieldmuseum.org.