TYPE. “In America septentrionali (super cortices laevigates in Carolina, Tuckerman).” (Hue 1891)

Description. Life form: lichenized fungus.

Thallus crustose, pale grayish green to olive green, thin, continuous; vegetative diaspores absent. Photobiont trentepohlioid alga. Ascomata lirellae, elongate, narrow, erumpent with lobulate thalline margin; disk open, flat to concave, brown-black. Exciple thin, entire, continuous below the hymenium; hymenium hyaline, inspersed. Asci 8-spored; ascospores brownish, 5-7-septate, 27-30 x 7-9 μm.

Chemistry. No substances detected by TLC.

Substrate and Habitat. Corticolous hardwood trees.

Distribution. Southeastern North America; in North Carolina found in Coastal Plain and Piedmont ecoregions.

Literature

Hue, A. (1891) Lichenes exoticos a professore W. Nylander descriptos vel recognitos et in herbario musei Parisiense pro maxima parte asservatos in ordine systematico deposuit. Nouv. Arch. du Muséum d'Hist. Nat., 3 sér. 3: 33-120 (original description as Graphis erumpens).

Lücking, R., F. Seavey, R. Common, S.Q. Beeching, O. Breuss, W.R. Buck, L. Crane, M. Hodges, B.P. Hodkinson, E. Lay, J.C. Lendemer, R.T. McMullin, J.A. Mercado-Díaz, M.P. Nelsen, E. Rivas Plata, W. Safranek, W.B. Sanders, H.P. Schaefer Jr., & J. Seavey. (2011) The lichens of Fakahatchee Strand Preserve State Park, Florida: Proceedings from the 18th Tuckerman Workshop. Bulletin of the Florida Museum of Natural History 49(4): 127-186.

Seavey, F., J. Seavey, J. Gagnon, J. Guccion, B. Kaminsky, J. Pearson, A. Podaril, & B. Randall. (2017) The lichens of Dagny Johnson Key Largo Hammock Botanical State Park, Key Largo, Florida, USA. Bulletin of the Florida Museum of Natural History 53(5): 201–268.