Comprehensive Description
provided by Smithsonian Contributions to Botany
Pseudoparmelia lecanoracea
Pseudoparmelia lecanoracea (Müller Argoviensis) Hale, 1974: 190.
Parmelia lecanoracea Müller Argoviensis, 1888:529 [type collection: Arisdrift, Oranje River, Namaqualand, Union of South Africa, Schenck 543 (G, lectotype)].
DESCRIPTION.—Thallus closely adnate, appearing areolate at the center, pruinose whitish buff, 2–3 cm broad; lobes sublinear, 0.6–1.0 mm wide, black rimmed; upper surface convex, rugose with age, roughened; medulla pigmented reddish yellow in the lower half; lower surface tan or darkening, moderately rhizinate, the rhizines brown. Apothecia rare, adnate, 1 mm in diameter; spores 8, 7 × 8–10 μm.
CHEMISTRY.—Cortex K+ yellow, medulla K−, C+, KC+ rose; atranorin and evernic acid; pigmented medulla K+ purple, skyrin present.
DISTRIBUTION.—Union of South Africa.
HABITAT.—On rocks.
- bibliographic citation
- Hale, Mason E., Jr. 1976. "A Monograph of the Lichen Genus Pseudoparmelia Lynge (Parmeliaceae)." Smithsonian Contributions to Botany. 1-62. https://doi.org/10.5479/si.0081024X.31
