Fungal Diversity 49, 1: 50 (2011).

Basionym: Opegrapha bicolor R. C. Harris & Lendemer, Opuscula Philolichenum 2: 10 (2005).

Protolog: Opegrapha distincta, disco et interdum margine albo pruinoso, margine saepe aurantico pruinoso, ascosporis 3-septatis, 16-19 x 4-5.5 µm et conidiis 1-septatis 12.5-13.5 x 1.5-2 µm.

Protolog type data: TYPE: USA. PENNSYLVANIA. MONROE COUNTY: Middle Smithfield Township, Delaware Water Gap National Recreation Area, Community Drive wetlands/Hogback Ridge, 1.5 km S of Bushkill, 41°04'46"N, 75°00'44"W, mesic forest, on white oak at edge of wetland. 24.April.2004. R.C. Harris 49566 (NY, holotype; hb. Lendemer, isotype).

Type locality: USA, Pennsylvania, Monroe County, Middle Smithfield Township, Delaware Water Gap National Recreation Area, Community Drive wetlands/Hogback Ridge, 1.5 km S of Bushkill, mesic forest, on white oak at edge of wetland, xxx m, 24. April 2004, R.C. Harris 49566 (NY - holotype; hb. Lendemer - isotype).

Type locality coordinates: 41°04'46"N, 75°00'44"W.

Molecular barcode: Data lacking.

Thallus: crustose, whitish (brownish where photobiont absent), immersed in bark, forming patches to 2 cm across. Ascomata lerelliform, slightly immersed to sessile, sinuous and/or bent, mostly unbranched, occasionally once branched, mostly narrowed at ends, to 1.5 mm long, 0.2-0.3 mm across, with disk white pruinose and margin often becoming white pruinose or in places at ends ....

Photobiont: Trentepohlia (Harris & Lendemer 2005: 10).

Chemistry: No lichen substances.

Ecology: Data lacking.

Distribution type: Data lacking.

Taxonomy: Data lacking.

Note:

Distribution Database: Distributions

Picture Database: Tropical Lichens

Molecular Database: Genbank

Synonym Database: Index Fungorum

Synonym Database: Mycobank