TYPE. UNITED STATES. “Trunks, southern Alabama (Mr. Beaumont)” (Tuckerman 1876); Alabama, no date, Anonymous s.n. (US 00068341, isosyntype).

Description. Life form: lichenized fungus.

Thallus crustose, thin, shiny greenish or greenish brown, corticate; prothallus present; vegetative diaspores absent. Photobiont trentepohlioid alga. Ascomata fissurine lirellae, emergent to subsessile, usually darker than thallus, elongate, slender, simple to 2-3-branched, disk a slit. Exciple well-developed, yellow to orange; hymenium not inspersed, 50-120 µm. Asci (6-)8-spored; ascopores hyaline, submuriform to muriform, 22-32 × 10-11 µm.

Chemistry. No substances detected by TLC; exciple K+ red-orange.

Substrate and Habitat. Corticolous on hardwood trees.

Distribution. Southeastern North America and Carribbean (Puerto Rico); in North Carolina found in the Coastal Plain ecoregion.

Literature

Harris, R.C. (1995) More Florida Lichens. Including the 10¢ Tour of the Pyrenolichens. Published by the Author, Bronx, N.Y. 192 pp (treated as Graphina scolecitis).

Lendemer, J.C. (2007) Lichens of Eastern North America Exsiccati, Fascicle V, Nos. 201-250. Opuscula Philolichenum 4: 69-80.

Tuckerman, E. (1872) Genera Lichenum: An arrangement of the North America lichens. 281 pp. (original description as Graphis scolecitis).

Wirth, M. & M.E. Hale, Jr. (1963) The Lichen Family Graphidaceae in Mexico. Contributions from the United States National Herbarium 36(3): 63-119 (described as Graphina scolecitis).