Diarthonis spadicea (Leight.) Frisch, Ertz, Coppins & P.F. Cannon (2020) Arthonia spadicea Leight. (1854) MycoBank number: MB 557849; Index Fungorum number: IF 557849, Facesoffungi number: FoF Thallus immersed, occasionally superficial, to 35 µm thick, effuse, pale to dark grey, often tinged green; hyphae K/I–. Apothecia (0.1–) 0.2–1.5 mm diam., rounded, flat to slightly convex, [...]
DIARTHONIS Clem. (1909) MycoBank number: MB 1500; Index Fungorum number: IF 1500, Facesoffungi number: FoF The genus as currently circumscribed is monotypic, so the description of D. spadicea below constitutes that of the species. Phylogenetic trees constructed by Frisch et al. (2014) showed that Arthonia spadicea fell outside of the main Arthonia clade, with indications that it (along with Arthothelium [...]
Synarthonia bicolor Müll.Arg. (Müller 1891: 86). MycoBank number: MB 406715; Index Fungorum number: IF 406715; Facesoffungi number: FoF; Synarthoniomyces bicoloris Cif. & Tomas., nomen illeg. (Ciferri & Tomaselli 1953: 79; see Lücking & Hawskworth 2007). Type: Costa Rica, San José, 1890, Pittier 5292 (holo-: G web; iso-: BR, barcode BR5030011732923). Species [...]
Synarthonia Müll.Arg. (Müller 1891: 85) MycoBank number: MB 5329; Index Fungorum number: IF 5329; Facesoffungi number: FoF; Type species: Synarthonia bicolor Müll.Arg. (= Synarthonia inconspicua). Thallus corticolous, rarely absent when young or throughout the life cycle (non-lichenized lichenicolous fungus), crustose, endophloeodal to epiphloeodal, whitish to greenish-grey to green, with or without white striae or [...]