A new combination is provided for Zythia nepenthis, a fungus repeatedly recorded on various Nepenthes plants in a greenhouse in Prague and successfully isolated from stem rot and conidial tendrils. Phenotypic data including host specificity matches the description of Z. nepenthis.
Based on sequences of ITS rDNA and the gene for β-tubulin, this species was placed in Microthia, which corresponds with the generic concept of Microthia.