Mycomicrothelia macularis
Mycomicrothelia macularis (Hampe ex A. Massal.) Keissl., Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(1.2): 36 (1936).
≡ Microthelia macularis Hampe ex A. Massal., Miscell. Lichenol.: 28 (1856).
Index Fungorum number: IF 318071; Facesoffungi number: FoF 11462, Fig. 1
Description: see Nelsen et al. (2011); Aptroot and Lücking (2016).
Material examined: see Nelsen et al. (2011); Aptroot and Lücking (2016).
Fig. 1 Mycomicrothelia spp. a Habit of M. atomaria. b Section through ascoma of M. atomaria (re-drawn from Keissler 1938). c Asci of M. melanospora. d Ascospore of M. melanospora. Scale bars = 10 μm.
Importance and distribution
There are 45 Mycomicrothelia epithets in Index Fungorum (2022), but several species have been transferred to other genera such as Bogoriella, Didymosphaeria, Distothelia, Leptorhaphis, Novomicrothelia, Peridiothelia, Phaeodothis, Phaeothyriolum and Pseudobogoriella. Mycomicrothelia comprises eight species known on Alnus sp. (Betulaceae), Betula sp. (Betulaceae), Corylus avellana (Betulaceae), Crataegus sp. (Rosaceae), Daphne mezereum (Thymelaeaceae), dead petiole of Daemonorops margaritae (Arecaceae), Holodiscus microphyllus (Rosaceae), Ilex aquifolium (Aquifoliaceae), Olea cuspidate (Oleaceae), Ostrya virginica (Betulaceae), Quercus (Fagaceae), Ribes sp. (Grossulariaceae) and Thymus sp. (Lamiaceae). Mycomicrothelia is distributed in Asia (Hong Kong, Pakistan), Europe (Austria, Finland, France, United Kingdom, Greece, Sweden) and the United States (California, New York) and many others.
References
Aptroot A, Lücking R. 2016 – A revisionary synopsis of the Trypetheliaceae (Ascomycota: Trypetheliales). Lichenologist 48, 763–982.
Harris RC. 1995 – More Florida Lichens: Including the 10c Tour of the Pyrenolichens. Bronx, New York: Privately Published.
Hawksworth DL. 1985 – A redisposition of the species referred to the ascomycete genus Microthelia. Bulletin of the British Museum (Natural History) Botany 14, 43–181.
Keissler K. 1936-1938, publ. 1938 – Pyrenulaceae bis Mycoporaceae, Coniocarpineae. Rabenhorst’s Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz 9 1, 1–846.
Lücking R, Hodkinson BP, Leavitt SD. 2016 – The 2016 classification of lichenized fungi in the Ascomycota and Basidiomycota – Approaching one thousand genera. The Bryologist 119, 361–416.
Nelsen MP, Lücking R, Mbatchou JS, Andrew CJ, Spielmann AA, Lumbsch HT. 2011 – New insights into relationships of lichen forming Dothideomycetes. Fungal Diversity 51, 155–162.
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