New Nyungwea gen. nov., N. pallida sp. nov. with Trentepohlia photobiont. The taxonomic position of the genus is unresolved, but authors suggest a possible position in the Arthoniales., Rwanda, Nyungwea, New Taxa, East Africa, Uganda, Goniocysts, Consoredia, Mabira Forest, Nyungwe Forest, Goniocystangia, Trentepohlia, Arthoniales