Studies in Perenniporia s. lat. (Basidiomycota). African taxa V: Perenniporia alboferruginea sp nov from Cameroon

Background and aims - The Polypores of central Africa (or in biogeographical terms, the Guineo-Congolian phytogeographic region) are still poorly investigated. As part of an ongoing survey of the Polypores in this region, an undescribed species of Perenniporia was collected in the Dja Biosphere Reserve, in south-eastern Cameroon. Methods - Species are described using morphology-based methods. Key results - Perenniporia alboferruginea sp. nov. is proposed, described and illustrated. Several new collections of poorly known species are reported, and an identification key for the Perenniporia species occurring in the Dja Biosphere Reserve and neighbouring areas is presented. Conclusion - About ten years ago, two Perenniporia species were recorded from the Dja Biosphere Reserve. Nowadays, seven species are known from the area, of which four were described based on material originating from this locality.