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Kantvilas, G./ Motiejūnaitė, J. 2023: Two new lichenicolous species of Arthonia (Ascomycota: Arthoniomycetes) from Tasmania. - Folia Cryptogamica Estonica 60: 13-19. [RLL List # 276 / Rec.# 44734]
Abstract: Eight lichenicolous species of Arthonia from Tasmania are treated. Two are described as new: A. aurantia Kantvilas & Motiej., which infects the thallus of a Leprocaulon-like lichen and is characterised by vivid orange, K+ magenta ascomata, 0.07−0.1(−0.15) mm wide, and 1-septate, macrocephalic ascospores, 10−12.5(−13.5) × 4−5.5 μm; and A. endocarpa Kantvilas & Motiej., which infects the apothecia of Amandinea neoconglomerata Elix, and has non-amyloid asci interspersed with those of the host, and is characterised by 1-septate, macrocephalic ascospores, 8.5−13 × 4.5−6 μm. Two other species, A. epiphyscia Nyl. and A. stictaria Nyl., are here recorded for Tasmania for the first time. Salient features of all species are compared.
Countries/Continents: Australia/Australasia
Notes: New (from Australia): Arthonia aurantia Kantvilas & Motiej. (on unidentified Leprocaulon-like lichen), A. endocarpa Kantvilas & Motiej. (on Amandinea neoconglomerata).
URL: https://doi.org/10.12697/fce.2023.60.03
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