TYPE. UNITED STATES. Florida, Duval County, Big Talbot Island State Park, 0.9 mi S of park boundary along Fla. Hwy. A1A, coastal oak scrub, 17.XII.1987, Harris 21236 (NY, holotype).
Description. Life form: lichenized fungus.
Thallus crustose, thin, whitish, ecorticate; vegetative diaspores absent. Photobiont trentepohlioid alga. Ascomata lirellae, < 2 mm long, immersed, straight or curved, occasionally once-branched, visible as faint lines. Exciple indistinct; hymenium not inspersed. Asci 8-spored; ascopores hyaline, 4-celled, 15-17 × 6-7 µm.
Chemistry. No substances detected by TLC.
Substrate and Habitat. Corticolous on trees.
Distribution. Southeastern North America along the Atlantic and Gulf coasts; in North Carolina found in the Coastal Plain ecoregion.
Harris, R.C. (1990) Some Florida Lichens. Published by the Author, Bronx, N.Y. 109 pp.
Lendemer, J.C. and K. Knudsen. (2008) Studies in lichens and lichenicolous fungi: further notes on North American taxa. Mycotaxon 103: 75-86.