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Trypethelium platystomum Mont.

Ann. Sci. Nat., Bot. Sér. 2, 19: 72 (1843); type: French Guiana, Leprieur(L—isotype).Trypethelium eluteriae var. polystomum Malme, Ark. Bot. 19(1): 25(1924) [incorrectly given as 'platystomum' in Zahlbruckners Cata-logus]; type: Brazil, Matto Grosso, Buriti, Malme, 16 vi 1894 (S—lectotype, here designated).Trypethelium platystomum var. denudatum Malme, Ark. Bot. 19(1): 27(1924); type: Brazil, Matto Grosso, Cuyabá, Malme 2013 (S—lectotype, here designated).Trypethelium regnellii Malme, Ark. Bot. 19(1): 25 (1924); type: Para-guay, Colonia Risso, Malme 1875 (S—holotype).Trypethelium ceylonicum Makhija & Patw., Int. J. Mycol. Lichenol. 5:239 (1992); type: Sri Lanka, Peradenyia, Thwaites 184, "3" (BM—holotype).Trypethelium krempelhuberi Makhija & Patw., Int. J. Mycol. Lichenol.5: 241 (1992) [as krempelhuberii]; type: Vietnam, Tu-phap, Balansa(M—holotype, not seen).Trypethelium rubrocinctum Makhija & Patw., J. Hattori Bot. Lab. 73:206 (1993); type: India, Assam, Gauhati-Shilong road, near Burhatti,Patwardhan & Nagarkar, 25 x 1977, AMH 77.704 (ABL—isotype).

Thallus green to yellowish, smooth to somewhat bullate. Ascomatafully immersed in the pseudostroma. Pseudostroma irregularly raised,flat-topped, crème, generally at least partly with orange, K+ purple,UV+ red pigment. Ostioles apical. Hamathecium not inspersed. Asco-spores hyaline, 12–18-septate, 55–75 × 8–15 ìm, lumina rounded.Chemistry. Thallus UV–, K–; pseudostroma with orange, K+ purple,UV+ red anthraquinone. Distribution. Pantropical (Costa Rica, Guya-na, French Guiana, Venezuela, Brazil, Paraguay, India, Sri Lanka,Thailand, Vietnam). New country records. Puerto Rico: Distr.Aguadilla: Bosque estatal de Guajataca, A. & M. Aptroot 25746, 1989(ABL); El Salvador: Santa Ana, Metapan, Parque NacionalMontecristo, Sipman, Berendsohn & Ladino 37370, 1993 (B);Colombia: Risaralda: Puerto Caldas, Wolf 407, 1985 (B); Congo:Lisala, Ertz 14181, 2009 (BR); Gabon: Ertz 9715, 2006 (BR); SierraLeone: Njala, Deighton 5843, 1954 (BM); China: Yunnan:Xishuangbanna, Menglun, Aptroot 57272, 2002 (ABL); Singapore:University campus, Sipman 45605, 2000 (B); Indonesia: Java: Mt.Parangklakah, Groenhart 5830, 1937 (ABL, L); Malang, Groenhart

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356, 1932 (ABL, L); Bogor, Djalan Bamtam, Groenhart 3142, 1941(ABL, L); Australia: Queensland: Cairns, near Centenary Lakes, A. &M. Aptroot 22229, 1988 (ABL).

[ABL11861], Brazil, Amazonia, Fazenda Sao Francisco off BR319 30km N of Porto Velho, 8°24‘33‘‘ S, 63°58‘56‘‘ W, c. 100 m, on tree barkin primary rain forest. Leg. M. Cáceres & A. Aptroot, 15.03.2012, det.A. Aptroot 2012.

Trypethelium platystomum

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Trypethelium platystomum

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thallus to prothallus

Trypethelium platystomum