Journal
MYCOBIOLOGY
Volume 50, Issue 3, Pages 172-180Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/12298093.2022.2081407
Keywords
Pilocarpaceae; biodiversity; lichens; phylogeny; taxonomy
Funding
- Sunchon National University
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This study describes a new species of lichen, Jejulea byssolomoides, from Jeju Island, Korea, and provides its characteristics and phylogenetic position. The new taxon is closely related to Byssoloma in the family Pilocarpaceae.
The new genus and species, Jejulea byssolomoides, 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 mu m diameter, 200-250 mu m 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 x 4-5 mu m). Phylogenetic analyses using ITS and mtSSU sequences place Jejulea in the Pilocarpaceae (Lecanorales). The new taxon is closely related to Byssoloma, a cosmopolitan group of foliicolous lichens, which is most diverse in the tropics. Like Byssoloma, Jejulea also forms a byssoid apothecial margin.
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