Polycoccum sauteri
Polycoccum sauteri Körb., Parerga lichenol. (Breslau) 5: 470 (1865).
Index Fungorum number: IF 207058; Facesoffungi number: FoF 04648, Fig. 1
Description: see Zhurbenko (2010) and Ertz et al. (2015).
Material considered: see Zhurbenko (2010) and Ertz et al. (2015).
Fig. 1 Polycoccum trypethelioides (S-F45264, holotype of Polycoccum sauteri). a Herbarium label and specimen. b Appearance of ascomata on host substrate. c Section through ascomata. d Peridium. e, f Asci with ascospores (f: stained in Melzer’s reagent) g–j Ascospores. Scale bars: b = 1000 μm, c = 200 μm, d–f = 20 μm, g–j = 10 μm.
Importance and distribution
There are 57 Polycoccum epithets in Index Fungorum (2022), but several species have been transferred to Clypeococcum, Didymocyrtis, Endococcus, Muellerella, Peridiothelia, Phaeospora, Roselliniella, Roselliniopsis and Sphaerellothecium. Polycoccum comprises 41 species known on a wide range of hosts such as thallus of Acarospora cervina (Acarosporaceae), areoles of Aspicilia cinerea (Megasporaceae), thallus of Amygdalaria panaeola (Lecideaceae), thallus of Lepraria incana (Stereocaulaceae), thallus of Physcia atrostriata (Physciaceae), bark of Grevillea (Proteaceae), Peltigera lepidophora (Peltigeraceae), thallus of Chondropsis semiviridis (Parmeliaceae), thallus of Placopsis lambii (Trapeliaceae), Dictyonema glabratum (Hygrophoraceae), thallus of Buellia zoharyi (Caliciaceae), soil and rocks. Polycoccum is reported from Africa (Cape Verde), Asia (China, Turkey), Europe (Czech Republic, Iceland, Spain), North America (Canada) and South America (Brazil, Chile, Ecuador, Peru).
References
Atienza V, Calatayud V, Hawksworth D. 2003 – Notes on the genus Polycoccum (Ascomycota, Dacampiaceae) in Spain, with a key to the species. The Lichenologist 35, 125–135.
Brackel WV, Berger F. 2010 – Gall-inducing species of Polycoccum (Ascomycota) on the lichen genus Placopsis. Herzogia 23, 195–204.
Doilom M, Hyde KD, Phookamsak R, Dai DQ et al. 2018 – Mycosphere Notes 225–274: types and other specimens of some genera of Ascomycota. Mycosphere 9, 647–754.
Eriksson O, Hawksworth DL. 1986 – Outline of the ascomycetes—1986. Systema Ascomycetum 5, 185–324.
Ertz D, Diederich P, Lawrey JD, Berger F, Freebury CE, Coppins B, Gardiennet A, Hafellner J. 2015 – Phylogenetic insights resolve Dacampiaceae (Pleosporales) as polyphyetic: Didymocyrtis (Pleosporales, Phaeosphaeriaceae) with phoma-like anamorphs resurrected and segregated form Polycoccum (Trypetheliales, Polycoccaceae fam. nov.). Fungal Diversity 74, 53–89.
Gardiennet A. 2012 – Découverte de Polycoccum slaptoniense D. Hawksw. en France. Bulletin d’Informations de l’Association Francaise de Lichénologie 37, 107–111.
Hafellner J. 2015 – Distributional and other data for some species of Didymocyrtis (Dothideomycetes, Pleosporales, Phaeosphaeriaceae), including their Phoma-type anamorphs. Fritschiana 80, 43–88.
Halici MG, Akgül HE, Öztürk C, Kiliç E. 2013 – Polycoccum anatolicum sp. nov. on Lepraria incana and a key to Polycoccum species known from Turkey. Mycotaxon 124, 45–50.
Hawksworth DL, Diederich P. 1988 – A synopsis of the genus Polycoccum (Dothideales), with a key to accepted species. Transactions of the British Mycological Society 90, 293–312.
Lawrey JD, Diederich P. 2015 – Lichenicolous fungi – worldwide checklist, including isolated cultures and sequences available. – URL: http://www.lichenicolous.net [version 10/10/2015].
Saccardo PA. 1882 – Sylloge Fungorum. 1, Padova 1–768.
Santesson R. 1960 – Lichenicolous fungi from northern Spain. Svensk Botanisk Tidskrift 54, 499–522.
Vězda A. 1969 – Beiträge zur Kenntnis der flechtenbewohnenden Pilze in der Tschechoslowakei. II. – Zwei neue Arten: Opegrapha rinodinae sp. nov. und Polycoccum galligenum sp. nov. Česká Mykologie 23,104–109.
Zhurbenko M, Dillman KL. 2010 – Polycoccum hymeniicola comb. nov. (Dacampiaceae) and other interesting lichenicolous fungi from southeastern Alaska. Bryologist 113, 260–266.
Zhurbenko MP. 2010 – Lichenicolous fungi and lichens growing on Stereocaulon from the Holarctic, with a key to the known species. Opusc Philolichenum 8, 9–39.
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