TYPE. INDONESIA. Sprengel s.n., s.d. (L. holotype).

Life form. Lichenized fungus.

Description. Thallus crustose, corticate; surface smooth to uneven, olive-green to yellowish. Vegetative diaspores absent. Photobiont Trentepohlia alga. Ascomata perithecia, globose, trypethelioid: numerous perithecia clustered within pseudostromata, 1-2 mm diam., prominent, to almost sessile, brownish, usually covered by yellow pigment; ostioles apical, dark; internally yellow. Hamathecium hyaline, clear. Asci clavate, 8-spored; ascospores hyaline, fusiform, 37-52 x 8-11 μm, 9-13-septate, lumina rectangular when mature, K/I-.

Chemistry. Thallus spot tests negative; pseudostromata UV+ red, K+ purple, with yellow anthaquinone.

Substrate and habitat. Corticolous on hardwood trees.

Distribution. Pantropical; in North Carolina found in the Piedmont and Coastal Plain ecoregions.

Literature

Aptroot, A. & R. Lücking (2016) A revisionary synopsis of the Trypetheliaceae (Ascomycota: Trypetheliales). The Lichenologist 48(6): 763-982.

Sprengel, C.P.J. (1804) Anleitung zur Kenntnis der Gewaechse 3: 1-374 (original description).