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Byssoloma orientale (Pilocarpaceae, Ascomycota), a new species from East Asia

Published online by Cambridge University Press:  16 November 2023

Kento Miyazawa Open the ORCID record for Kento Miyazawa [Opens in a new window]  and
Yoshihito Ohmura Open the ORCID record for Yoshihito Ohmura [Opens in a new window]
Kento Miyazawa*
Affiliation:
Degree Programs in Life and Earth Sciences, Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, 305-8572, Japan
Yoshihito Ohmura
Affiliation:
Department of Botany, National Museum of Nature and Science, Tsukuba, 305-0005, Japan School of Integrative and Global Majors, University of Tsukuba, Tsukuba, Ibaraki, 305-8572, Japan
*
Corresponding author: Kento Miyazawa; Email: Miyazawa.kento.ss@alumni.tsukuba.ac.jp
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Abstract

A new species, Byssoloma orientale K. Miyaz. & Y. Ohmura, is described from East Asia. It is characterized by a minutely farinose light green thallus, apothecia with a well-developed byssoid margin that spreads laterally over the thallus surface, a pure black apothecial disc caused by the presence of an aeruginous pigment in the epithecium, (7–)9–12(–17)-septate cylindrical colourless ascospores, and oblong conidia. This species grows on living leaves as well as on tree bark. The molecular phylogenetic position of B. orientale within this genus was inferred based on mtSSU sequences, and the species was shown to be closely related to B. vanderystii, which has up to 7-septate ascospores and an absence of aeruginous pigment in the epithecium.

Keywords

Chinaconidiafoliicolous lichenJapanmtSSUsubtropics
Type
Standard Paper
Information
The Lichenologist , Volume 55 , Issue 6 , November 2023 , pp. 489 - 495
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Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of the British Lichen Society

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