New Rhizodiscina and saprobic Sclerococcum species from Aotearoa New Zealand

Descriptions of a set of Rhizodiscina and Sclerococcum spp. formally named in Index Fungorum no. 519, 2022 (http://www.indexfungorum.org/Publications/Index%20Fungorum%20no.519.pdf), together with images, keys to the species treated, and phylogenies. Previously, these small, dark, sessile, discomycete fungi have been treated as Sorokina in the New Zealand literature.