Lichenicolous fungi from Florida growing on Graphidales
Paul Diederich 1  
,   Ralph S. Common 2,   Uwe Braun 3,   Bettina Heuchert 3,   Ana Millanes 4,   Ave Suija 5,   Damien Ertz 6, 7
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Musée national d’histoire naturelle, 25 rue Munster, L-2160 Luxembourg, Luxembourg
534 Fenton St, Lansing, MI 48910, USA
Martin-Luther-Universität, Institut für Biologie, Bereich Geobotanik, Herbarium, Neuwerk 21, 06099 Halle (Saale), Germany
Departamento de Biología y Geología, Universidad Rey Juan Carlos, E-28933 Móstoles, Spain
Institute of Ecology and Earth Sciences, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia
Meise Botanic Garden, Department of Research, Nieuwelaan 38, B-1860 Meise, Belgium
Fédération Wallonie-Bruxelles, Direction Générale de l’Enseignement non obligatoire et de la Recherche scientifique, rue A. Lavallée 1, B-1080 Bruxelles, Belgium
Publication date: 2019-12-16
Plant and Fungal Systematics 2019; 64(2): 249–282
The lichenicolous fungi growing on Graphidales hosts in Florida are revised, mainly based on collections by the second author (R. C.). Twenty-one species are recognized. The new genus and species Lawreya glyphidiphila is described for a common asexual fungus growing on Glyphis scyphulifera and more rarely Trypethelium eluteriae, characterized by black stromatic conidiomata in which subspherical conidiogenous loculi develop, producing aseptate, subglobose, brown conidia. Nine additional new species are described: Amerosporiopsis phaeographidis (on Phaeographis brasiliensis), Arthonia acanthotheciicola (on Acanthothecis floridensis), A. subgraphidicola (on Graphis assimilis), Hemigrapha graphidicola (on G. assimilis), Skyttea graphidicola (on Graphis spp.), Strigula graphidicola (on G. assimilis), S. perparvula (on Graphidales), Talpapellis graphidis (on Graphis caesiella) and Tremella wedinii (on Glyphis scyphulifera). Phylogenetic placements of Lawreya glyphidiphila, Skyttea graphidicola and Tremella wedinii are presented. Identification keys are given for the species of Cornutispora and Talpapellis, and for the 66 species known to grow on Graphidales hosts worldwide.