The new genus and species, is described from Jeju Island, Korea. This lichen is characterized by saxicolous, crustose, pale greenish-gray, partly finely filamentous, matt, smooth thallus, prominent convex brown to dark brown ascomata with a concolorous margin constricted at the dark brown base, 300-800 μm diameter, 200-250 μm high, without a distinct proper margin, adhering to the substratum ending in a minute byssoid white external part of cylindrical cells, fusiform 3-5 septate ascospores (17-23 × 4-5 μm). Phylogenetic analyses using ITS and mtSSU sequences place in the (Lecanorales). The new taxon is closely related to , a cosmopolitan group of foliicolous lichens, which is most diverse in the tropics. Like , also forms a byssoid apothecial margin.
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| http://dx.doi.org/10.1080/12298093.2022.2081407 | DOI Listing |
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