Three new species of thelotremoid lichens (lichenized Ascomycota: Ostropales) with 15 new records of lichenized fungi from Thailand and a worldwide key to species of the genus Ampliotrema

The Lichenologist Pub Date : 2024-05-30 DOI:10.1017/s0024282924000094

Vasun Poengsungnoen, Phimpha Nirongbut, Kawinnat Buaruang, Kansri Boonpragob, H. Thorsten Lumbsch, Wetchasart Polyiam

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Abstract

Three new species of thelotremoid lichens, Ampliotrema subglobosum Poengs. & Lumbsch, Ocellularia lichexanthonica Poengs. & Lumbsch and O. saxiprotocetrarica Poengs. & Lumbsch, are described and illustrated based on specimens from southern Thailand. Ampliotrema subglobosum is similar to A. globosum but differs by having larger ascospores with more septa. Ocellularia lichexanthonica differs from O. subdolichotata in ascomata diameter and by containing lichexanthone. Ocellularia saxiprotocetrarica is similar to O. gentingensis in ascospore length and the number of ascospore septa but has narrower ascospores and contains protocetraric acid. Fifteen species are reported for the first time for Thailand: Austrotrema bicinctulum (Nyl.) I. Medeiros et al., Baeomyces heteromorphus Nyl. ex C. Bab. & Mitt., Chapsa niveocarpa Mangold, Chiodecton sphaerale Ach., Erythrodecton malacum (Kremp.) G. Thor, Lecanora subjaponica L. Lü & H. Y. Wang, Leucodecton subcompunctum (Nyl.) Frisch, Myriotrema concretum (Fée) Hale, M. neoterebrans Frisch, Ocellularia khasiana (Patw. & Nagarkar) Kraichak et al., O. upretii S. Joshi et al., Pseudotopeliopsis scabiomarginata (Hale) Parnmen et al., Sulzbacheromyces sinensis (R. H. Petersen & M. Zang) Dong Liu & Li S. Wang, Thelotrema diplotrema Nyl., and T. isidiophorum (Kremp.) Zahlbr. Ampliotrema globosum (Hale) Poengs. & Lumbsch is proposed as a new combination. The genus Erythrodecton G. Thor is a new genus for the lichen flora of Thailand.

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泰国的 3 个新种地衣（地衣化子囊菌目：Ostropales）和 15 项地衣化真菌新记录，以及 Ampliotrema 属物种的全球检索表

& Lumbsch、Ocellularia lichexanthonica Poengs.Ampliotrema subglobosum 与 A. globosum 相似，但不同之处在于有更多隔膜的较大的无孢子囊。Ocellularia lichexanthonica 与 O. subdolichotata 的不同之处在于顶生孢子直径和含有地衣黄酮。Ocellularia saxiprotocetrarica 与 O. gentingensis 的腹孢子长度和腹孢子隔的数量相似，但腹孢子较窄，并含有原四氢呋喃酸。泰国首次报告了 15 个物种：Austrotrema bicinctulum (Nyl.) I. Medeiros et al.、Baeomyces heteromorphus Nyl. ex C. Bab. & Mitt.、Chapsa niveocarpa Mangold、Chiodecton sphaerale Ach、Erythrodecton malacum (Kremp.) G. Thor, Lecanora subjaponica L. Lü & H. Y. Wang, Leucodecton subcompunctum (Nyl.) Frisch, Myriotrema concretum (Fée) Hale, M. neoterebrans Frisch, Ocellularia khasiana (Patw. & Nagarkar) Kraichak et al、O. upretii S. Joshi et al.、Pseudotopeliopsis scabiomarginata (Hale) Parnmen et al.、Sulzbacheromyces sinensis (R. H. Petersen & M. Zang) Dong Liu & Li S. Wang、Thelotrema diplotrema Nyl.和 T. isidiophorum (Kremp.) Zahlbr.Ampliotrema globosum (Hale) Poengs.Erythrodecton G. Thor 属是泰国地衣植物区系中的一个新属。

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The Lichenologist

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