Comprehensive Description
provided by Smithsonian Contributions to Botany
Pseudoparmelia ferax
Pseudoparmelia ferax (Müller Argoviensis) Hale, 1974:190.
Parmelia ferax Müller Argoviensis, 1886:257 [type collection: Australia: New South Wales, Gutawang, Hamilton 2 (G, ectotype)].
Parmelia obversa Stirton, 1899:76 [type collection: Australia, Paton (GLAM, lectotype; BM, isolectotype)].
Parmelia citrinescens Gyelnik, 1938b:271 [type collection: Lago Nahuel, Puerto Blest, Patagonia, Argentina, Dusén 163 (BP, holotype; S, US, isotypes)].
DESCRIPTION.—Thallus closely adnate on bark, greenish yellow, 5–8 cm broad; lobes subirregular, crowded, apically rotund, 3–4 mm wide; upper surface soon wrinkled and rugose, in part warty and lobulate; lower surface black and coarsely rhizinate except for a narrow brown zone at the margins. Apothecia common, sessile, plane to almost urceolate, 2–4 mm in diameter; spores 8, 7–8 × 13–16 μm.
CHEMISTRY.—Cortex K+ yellowish, medulla K−, C−, KC−, P+ red; atranorin, usnic acid, and physodalic acid.
DISTRIBUTION.—Australia and Chile.
HABITAT.—On branches and trunks of shrubs and trees in arid habitats up to 1200 m elevation.
- 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
