Salsuginea
Salsuginea K.D. Hyde, Bot. Mar. 34(4): 315 (1991).
Index Fungorum number: IF 25680; Facesoffungi number: FoF 08365, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.
Habitat marine, saprobic. Sexual morph: Ascomata large, solitary, fusoid, conical or subglobose, with or without a flattened base, immersed under a darkened clypeus, papillate, ostiolate. Peridium thin, composed of round cells (in cross section) at sides, fusing at the top with the clypeus, thin at the base. Hamathecium of dense, long trabeculate pseudoparaphyses, anastomosing, embedded in mucilage. Asci 8-spored, bitunicate, fissitunicate, clavate to cylindro-clavate, pedunculate, with a large ocular chamber and conspicuous apical ring. Ascospores uniseriate, obovoid, brown to black, with hyaline apical germ pores, uniseptate, constricted at the septum, dark brown with paler apical cells, lacking sheath, smooth. Asexual morph: Unknown (adapted from Zhang et al. 2012).
Type species: Salsuginea ramicola K.D. Hyde
Notes: Salsuginea is characterised by solitary, fusoid, conical or subglobose ascomata, hamathecium comprising long trabeculate pseudoparaphyses, clavate to cylindro-clavate, pedunculate asci and brown to black, uniseptate ascospores (Hyde 1991). Salsuginea resembles Helicascus but can be differentiated based on the ascospores with apical germ pores and peridium comprising cells of textura porrecta (Hyde 1991). Dayarathne et al. (2020) added the second species, S. rhizophorae. Salsuginea is a distinct and well-defined genus in Salsugineaceae. Molecular markers available for Salsuginea are LSU, SSU, RPB2 and TEF-1.
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