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KMID : 1160220220500030172
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Mycobiology
2022 Volume.50 No. 3 p.172 ~ p.180
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Jejulea byssolomoides gen. et sp. nov., a Remarkable Pilocarpaceae (Lichen-Forming Ascomycetes) from Jeju Island, South Korea
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Halda Josef P.
Woo Jung-Jae
Liu Dong
Oh Soon-Ok
Joshi Yogesh
Hur Jae-Seoun
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Abstract
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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?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 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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KEYWORD
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Pilocarpaceae, biodiversity, lichens, phylogeny, taxonomy
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