Astrothelium grossoides Aptroot & Lücking



Felix Schumm - CC BY-SA 4.0
[ABL18361], Papua New Guinea, Chimbu prov., Mount Wilhelm area, near lake Piunde (= Pindaunde), on tree in forest remnants, 145°03’ E, 5°47’ S, 3500 m. Leg. A. Aptroot (no 18361), 03.1987, det. A. Aptroot, 1987.
Thallus corticate, olive-green to brownish, uneven bullate, pseudogallinducing. Ascomata with apical ostioles, dense to diffusely pseudostromatic, 0.4–0.5 mm diam., immersed, covered by thallus. Hamathecium inspersed. Ascospores 8/ascus, 3-septate, hyaline, 15–32 × 9–12 μm, IKI-. Chemistry: thallus and ascomata UV+ yellow, K-. TLC: lichexanthone.



Felix Schumm - CC BY-SA 4.0
[ABL18361], Papua New Guinea, Chimbu prov., Mount Wilhelm area, near lake Piunde (= Pindaunde), on tree in forest remnants, 145°03’ E, 5°47’ S, 3500 m. Leg. A. Aptroot (no 18361), 03.1987, det. A. Aptroot, 1987.
Thallus corticate, olive-green to brownish, uneven bullate, pseudogallinducing. Ascomata with apical ostioles, dense to diffusely pseudostromatic, 0.4–0.5 mm diam., immersed, covered by thallus. Hamathecium inspersed. Ascospores 8/ascus, 3-septate, hyaline, 15–32 × 9–12 μm, IKI-. Chemistry: thallus and ascomata UV+ yellow, K-. TLC: lichexanthone.



Felix Schumm - CC BY-SA 4.0
[ABL18361], Papua New Guinea, Chimbu prov., Mount Wilhelm area, near lake Piunde (= Pindaunde), on tree in forest remnants, 145°03’ E, 5°47’ S, 3500 m. Leg. A. Aptroot (no 18361), 03.1987, det. A. Aptroot, 1987.
Thallus corticate, olive-green to brownish, uneven bullate, pseudogallinducing. Ascomata with apical ostioles, dense to diffusely pseudostromatic, 0.4–0.5 mm diam., immersed, covered by thallus. Hamathecium inspersed. Ascospores 8/ascus, 3-septate, hyaline, 15–32 × 9–12 μm, IKI-. Chemistry: thallus and ascomata UV+ yellow, K-. TLC: lichexanthone.



Felix Schumm - CC BY-SA 4.0
[ABL18361], Papua New Guinea, Chimbu prov., Mount Wilhelm area, near lake Piunde (= Pindaunde), on tree in forest remnants, 145°03’ E, 5°47’ S, 3500 m. Leg. A. Aptroot (no 18361), 03.1987, det. A. Aptroot, 1987.
Thallus corticate, olive-green to brownish, uneven bullate, pseudogallinducing. Ascomata with apical ostioles, dense to diffusely pseudostromatic, 0.4–0.5 mm diam., immersed, covered by thallus. Hamathecium inspersed. Ascospores 8/ascus, 3-septate, hyaline, 15–32 × 9–12 μm, IKI-. Chemistry: thallus and ascomata UV+ yellow, K-. TLC: lichexanthone.



Felix Schumm - CC BY-SA 4.0
[ABL18361], Papua New Guinea, Chimbu prov., Mount Wilhelm area, near lake Piunde (= Pindaunde), on tree in forest remnants, 145°03’ E, 5°47’ S, 3500 m. Leg. A. Aptroot (no 18361), 03.1987, det. A. Aptroot, 1987.
Thallus corticate, olive-green to brownish, uneven bullate, pseudogallinducing. Ascomata with apical ostioles, dense to diffusely pseudostromatic, 0.4–0.5 mm diam., immersed, covered by thallus. Hamathecium inspersed. Ascospores 8/ascus, 3-septate, hyaline, 15–32 × 9–12 μm, IKI-. Chemistry: thallus and ascomata UV+ yellow, K-. TLC: lichexanthone.



Felix Schumm - CC BY-SA 4.0
[ABL18361], Papua New Guinea, Chimbu prov., Mount Wilhelm area, near lake Piunde (= Pindaunde), on tree in forest remnants, 145°03’ E, 5°47’ S, 3500 m. Leg. A. Aptroot (no 18361), 03.1987, det. A. Aptroot, 1987.
Thallus corticate, olive-green to brownish, uneven bullate, pseudogallinducing. Ascomata with apical ostioles, dense to diffusely pseudostromatic, 0.4–0.5 mm diam., immersed, covered by thallus. Hamathecium inspersed. Ascospores 8/ascus, 3-septate, hyaline, 15–32 × 9–12 μm, IKI-. Chemistry: thallus and ascomata UV+ yellow, K-. TLC: lichexanthone.