Consortium of Lichen Herbaria - Parmeliopsis subambigua

Parmeliopsis subambigua Gyelnik
Family: Parmeliaceae Southern Starburst Lichen [Foraminella subambigua (Gyeln.) S.L.F. Mey.] Stephen Sharnoff	North Carolina Biodiversity Project Resources North Carolina Biodiversity Project MB#411439 TYPE. UNITED STATES. MARYLAND, Anne Arundel County, Benfield, on trunks of pines, 8.VII.1911, C.C. Plitt 364 (MICH, isotype; US, possible isotype). Description. Lichenized fungus. Thallus foliose. Lobes radiating, linear, appressed, ~0.5 mm wide, greenish yellow. Photobiont Trebouxia? alga; vegetative diaspores soredia developing from laminal pustules. Lower surface yellowish white; rhizines simple, pale. Ascomata lecanorine apothecia, sessile, uncommon (originally described as sterile). Disk brown; exciple hyaline; epithecium brownish; hymenium hyaline; subhymenium hyaline; paraphyses simple. Asci 8-spored; ascal walls K/I+ blue. Ascospores colorless, reniform, simple. Pycnidia black, laminal, immersed; conidia falcate (strongly curved). Chemistry. Cortex UV+ blue-white, K+ yellow, KC-, C-; medulla K-, KC-, C-; soredia K+ yellow, KC-, C-; usnic and divaricatic acids. Substrate and Habitat. On conifers in exposed habitats. Distribution. Eastern North America; in North Carolina primarily in coastal plain and piedmont ecoregions. Literature Brodo, I.M., S. Duran Sharnoff & S. Sharnoff. (2001) Lichens of North America. Yale University Press, New Haven & London. 795 pp. Gyelnik, V. (1932) Über einige Arten der Gattung Parmeliopsis (Stiz.) Nyl. Annales Mycologici 30: 456-459. Meyer, S.L.F. (1982) Segregation of the New Lichen Genus Foraminella from Parmeliopsis. Mycologia 74(4): 592–598 (description as Foraminella subambigua).
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