Skvortzoviella Jia Yu, Xue W. Wang, S.L. Liu & L.W. Zhou, gen. nov.
MycoBank number: MB 840231; Index Fungorum number: IF 840231; Facesoffungi number: FoF;
Etymology: Skvortzoviella (Lat.), refers to the similarity to Skvortzovia.
Diagnosis: Unique in Hymenochaetales being characterized by a combination of resupinate and cracked basidiomes, the smooth and light-colored hymenophore, a monomitic hyphal system, tubular leptocystidia with obtuse apex, and ellipsoid basidiospores.
Type: Skvortzoviella lenis Jia Yu et al. 2021.
Description: Basidiomes annual, closely adnate, widely effused, not easily separable, thin, membranous, rarely soft, usually with a few broad cracks or cracked extensively. Hymenophore smooth or irregular, cream to pale yellow. Margin gradually thinning out, white, filamentose. Hyphal system monomitic, generative hyphae with clamp connections, hyaline, thin-walled, frequently branched. Hymenial leptocystidia tubular with obtuse apex, hyaline, thin-walled. Basidia cylindrical, often with a median constriction, four sterigmata. Basidiospores ellipsoid, hyaline, smooth, thin-walled, acyanophilous, non-amyloid, non-dextrinoid.
Notes: – Morphologically, Skvortzoviella is closely related to Skvortzovia; however, Skvortzovia also accommodates species with grandinioid to odontioid hymenophores in addition to those with smooth hymenophores (Eriksson et al. 1981; Gruhn and Hallenberg 2018).
Species