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New Species and New Records of Buellia (Lichenized Ascomycetes) from Jeju Province, South Korea
Wang, Xin Yu,Liu, Dong,Lokos, Laszlo,Kondratyuk, Sergey Y.,Oh, Soon-Ok,Park, Jung Shin,Hur, Jae-Seoun The Korean Society of Mycology 2016 Mycobiology Vol.44 No.1
A new species and 2 new records of lichen genus Buellia were discovered from Chuja-do Island in Jeju Province during a recent floristic survey: B. chujana X. Y. Wang, S. Y. Kondr., L. $L\ddot{o}k\ddot{o}s$ & J.-S. Hur sp. nov., B. halonia (Ach.) Tuck., and B. mamillana (Tuck.) W. A. Weber. The new species is characterized by a brown, areolate thallus, the presence of perlatolic acid, and a saxicolous habitat. Together with previously recorded species, 10 Buellia species were confirmed from Jeju-do Island. Among these species, 3 growing in the exposed rocky area contained xanthone (yellowish lichen thallus, UV + orange), indicating that production of xanthone in this genus might be a defense strategy against the harm of UV light. Although the genus Buellia has been thoroughly studied in Korea before, novel species have been discovered continuously, and large species diversity has been found in this crustose genus, even from a small rocky island. This study indicates that the coastal area harbors a vast number of crustose lichen species, and there is great potential to discover unknown lichens in the coastal rocky area in Korea.
Two New Corticolous Buellioid Species from South Korea
( Dong Liu ),( Sergey Y. Kondratyuk ),( László Lőkös ),( Josef P. Halda ),( Min-hye Jeong ),( Jung-shin Park ),( Jung-jae Woo ),( Jae-seoun Hur ) 한국균학회 2019 Mycobiology Vol.47 No.2
Several buellioid specimens were collected from South Korea during field surveys and two new species are described based on morphology, chemistry, and molecular phylogeny. Buellia boseongensis sp. nov. is similar to B. polyspora but differs in having a UV+orange thallus and cryptolecanorine apothecia. Sculptolumina coreana sp. nov., resembles S. japonica, but differs in having a smooth entire continuous thallus, which reacts K-, a narrower excipulum, thicker epihymenium, narrower subhymenium, and in containing secondary metabolites other than flavo-obscurin and myeloconone. A key to the buellioid lichens reported from Korea is also presented.
RESEARCH ARTICLES : New Additions to Lichen Mycota of the Republic of Korea
( Santosh Joshi ),( Sergey Y. Kondratyuk ),( Florin Cri An ),( Udeni Jayalal ),( Soon Ok Oh ),( Jae Seoun Hur ) 한국균학회 2013 Mycobiology Vol.41 No.4
The current study describes seven species that are new to the lichen mycota of South Korea. A taxonomic description of Arthonia excipienda, A. radiata, Arthothelium ruanum, Enterographa leucolyta, Fissurina elaiocarpa, Rinodina oleae, and Thelotrema porinaceum was given and supported by distribution, ecology, and illustrations. Each species was compared with a species showing close resemblance.
Two New Lichen Species, Thelopsis ullungdoensis and Phylloblastia gyeongsangbukensis from Korea
( Josef P. Halda ),( Soon-ok Oh ),( Dong Liu ),( Beeyoung Gun Lee ),( Sergey Y. Kondratyuk ),( László Lőkös ),( Jung-shin Park ),( Jung-jae Woo ),( Jae-seoun Hur ) 한국균학회 2020 Mycobiology Vol.48 No.6
Two new species, Thelopsis ullungdoensis and Phylloblastia gyeongsangbukensis are described from Ullung-Do (Island), South Korea. The closest relatives from Europe and Korea are epiphytic Thelopsis flaveola which differs by their immersed or semi-immersed yellow ascomata, ascospores without halo and their habitat of smooth bark (mainly Fagus) in humid and cold climates. Thelopsis gangwondoensis differs by its bigger semi-immersed ascomata (600-700 mm in diam.), oblong halonate ascospores (8-12×6-8 mm) and its habitat of smooth bark of deciduous trees. P. gyeongsangbukensis differs from its relatives within the genus in having 5-septate ascospores (22-266-8 mm), semi-immersed, subglobose ascomata with a flattened top (250-400 mm) and a thin, matt, uneven gray-brown to gray-green continuous thallus without isidia.