TYPE. UNITED STATES. “Granitic rocks, Vermont (Frost), Tuckerman in Nyl. l.c. 1858.” (Tuckerman 1882).
Description.Life form: lichenized fungus.
Thallus granular, dark reddish brown to black, orange-red when wet. Photobiont Gleocapsa cyanobacterium with reddish gelatinous sheath. Ascomata apothecoid pyrenoascocarps (developing from pycnidia), abundant to crowded, globose, concolorous with thallus, 0.3-0.4 mm diam.; disk open, deeply concave. Paraphyses conglutinate. Ascospores ellipsoid, hyaline, simple, 11-12 x 7.5-8 μm.
Chemistry. Not reported.
Substrate and Habitat. Semi-aquatic on siliceous rock along lakes and streams.
Distribution. North America; in North Carolina found in Piedmont and Blue Ridge ecoregions.
Literature
Brodo, I.M., S. Duran Sharnoff & S. Sharnoff. (2001) Lichens of North America. Yale University Press, New Haven & London. 795 pp.
Lewis, C.J. (2014) Notes on new and interesting cyanolichens from Ontario, Canada. Opuscula Philolichenum13: 34-43.
Schultz, M. (2007) Pyrenopsis. Pp. 286-287 in T. H. Nash, III, C. Gries and F. Bungartz. Lichen Flora of the Greater Sonoran Desert Region. Volume 3. Lichens Unlimited, Arizona State University, Tempe.
Tuckerman, E. (1882) A synopsis of the North American lichens. Part. I. Comprising the Parmeliacei, Cladoniei and Coenogoniei. S.F. Cassino, Boston, 262 pp.