Grammothele is a genus of poroid crust fungi in the family Polyporaceae.
Taxonomy Circumscribed by mycologists Miles Joseph Berkeley and Moses Ashley Curtis in 1868, they considered the genus to combine the characteristics of Hymenogramme and Grandinia. The generic name combines the Ancient Greek words ("line" or "written character") and ("nipple").
Grammothele originally contained four species: G. polygramma, G. grisea, G. mappa, and the type, G. lineata. Modern taxonomic opinion now considers the first three of these to be synonymous with the latter.
Species , Index Fungorum accepts 19 species of Grammothele: Grammothele africana Ipulet & Ryvarden (2005) – Uganda Grammothele bambusicola Ryvarden (1984) – Nepal Grammothele boliviana Karasiński (2015) – Bolivia Grammothele brasilensis Ryvarden (2015) – Brazil Grammothele ceracea Rick (1938) Grammothele crocicreas (Ces.) Lloyd (1923) Grammothele crocistroma Lloyd (1924) Grammothele delicatula (Henn.) Ryvarden (1980) – China Grammothele denticulata Y.C.Dai & L.W.Zhou (2012) – China Grammothele effusoreflexa S.Banerjee (1936) – India Grammothele fuligo (Berk. & Broome) Ryvarden (1979) Grammothele glauca (Cooke) P.Roberts (2009) Grammothele hainanensis F.Wu & L.W.Zhou (2016) – China Grammothele lacticolor Ryvarden (2015) – Puerto Rico Grammothele lineata Berk. & M.A.Curtis (1868) Grammothele macrospora Ryvarden (1980) Grammothele ochracea Ryvarden (1982) – Thailand Grammothele pseudomappa P.H.B.Talbot (1951) Grammothele pulchella (Bres.) Ryvarden (1988) Grammothele quercina (Y.C.Dai) B.K.Cui & Hai J.Li (2013) – China Grammothele subargentea (Speg.) Rajchenb. (1983) Grammothele venezuelica Ryvarden (2015) – Venezuela
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