Anthracothecium macrosporum (Hepp) Müll. Arg.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.


André Aptroot CC BY-SA NC – Source: http://www.tropicallichens.net/photopath/anthracothecium-macrosporum-taiwan.jpg



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[Shibuich6067], Japan, Hokkaido, Prov. Ishikari, Noborikawa, Yubaricity. On bark of Acer sp., 350 m. Leg. H. Shibuichi (no 6067) & K. Yoshida, det. H. Kashiwadani as Anthracothecium japonicum.ISOTYPE. DISTRIBUTED IN LICHENES RARIORES ET CRITICI NO. 502
Thallus brownish to dark green, without pseudocyphellae. Ascomata solitary, conical, not distinctly flattened, erumpent from the substratum, laterally covered by the thallus, 1.0–2.5 mm diam., to 2mm tall. Ascomatal wall with a distinct clypeus, to 500 μm thick; ostiole whitish, obconical, apical. Ascospores muriform, dark brown, 2–4 per ascus, elongate-fusiform, with rounded ends, 120–160 × 30–45 μm.



Felix Schumm - CC BY-SA 4.0
[ABL78683], Brazil, Santa Catarina, Rio Negrinho, Rio Preto, Fazenda Velha, on farm on tree. 26°17'57'' S, 49°37'24'' W, 800 m. Leg. A. Aptroot (no 78683), 31 March 2019, det. A. Aptroot 2019. - Ascomata mostly single, Ostiole apical. Hamathecium not inspersed, filaments mostly unbranched. Spores 1-4/ascus, brown, muriform, euseptata, 250 x 25 μm.



Felix Schumm - CC BY-SA 4.0
[ABL78683], Brazil, Santa Catarina, Rio Negrinho, Rio Preto, Fazenda Velha, on farm on tree. 26°17'57'' S, 49°37'24'' W, 800 m. Leg. A. Aptroot (no 78683), 31 March 2019, det. A. Aptroot 2019. - Ascomata mostly single, Ostiole apical. Hamathecium not inspersed, filaments mostly unbranched. Spores 1-4/ascus, brown, muriform, euseptata, 250 x 25 μm.