Lasiostemma Theiss., Syd. & P. Syd., in Sydow & Sydow, Annls mycol. 15(3/4): 218 (1917).

MycoBank number: MB 2660; Index Fungorum number: IF 2660; Facesoffungi number: FoF 07903; 6 morphological species (Species Fungorum 2020), molecular data unavailable.

Type species: Lasiostemma melioloides (Berk. & Ravenel) Theiss., Syd. & P. Syd.

Notes: The genus is characterized by superficial, red-brown to dark brown ascomata, with long hyphae, oblong-clavate asci, fusoid-ellipsoid, 1-septate, light brown ascospores. Lasiostemma comprises eight species on living leaves and is distributed in tropical regions e.g., Brazil, Cuba, Malaysia, Uganda (Hyde et al. 2013; Boonmee et al. 2017). Hyde et al. (2013) examined a specimen of Lasiostemma melioloides (BPI699548). The type species Lasiostemma melioloides and its members need sequence data to establish taxonomic placement of this genus.