Comprehensive Description
provided by Smithsonian Contributions to Botany
Pseudoparmelia vanderbylii
Pseudoparmelia vanderbylii (Zahlbruckner) Hale, 1974:191.
Parmelia vanderbylii Zahlbruckner, 1932a:252 [type collection: Union of South Africa, Van Rhynsdorp, Cape Province, P. A. van der Byl (W, lectotype)].
DESCRIPTION.—Thallus closely adnate on rocks, brownish or dark mineral gray, 3–6 cm broad; lobes subirregular, apically subrotund, contiguous, 1–2 mm wide; upper surface plane, shiny, rimose with age; lower surface pale brown, sparsely rhizinate, the rhizines pale brown. Apothecia common, sessile, 1–2 mm in diameter; spores 8, 6 × 8–10 μm.
CHEMISTRY.—Cortex K+ yellow, medulla K− or K+ very faint orange, C−, KC−, P−; atranorin and two or more unidentified substances.
DISTRIBUTION.—Union of South Africa.
HABITAT.—On exposed rocks in open areas.
- 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
