Comprehensive Description
provided by Smithsonian Contributions to Botany
Pseudoparmelia caribaea
Pseudoparmelia caribaea (Hale) Hale, 1974:189.
Parmelia caribaea Hale in Hale and Kurokawa, 1964:152 [type collection: St. Barthélemy, West Indies, Le Gallo 494 (US, holotype)].
DESCRIPTION.—Thallus adnate on rocks, ashy white, rather coriaceous, 6–10 cm broad; lobes irregularly sublinear, often densely imbricate, 3–6 mm wide; upper surface plane or rugulose, cracked with age; lower surface black, moderately rhizinate. Apothecia subpedicellate, at first globose, urceolate at maturity, up to 5 mm in diameter; spores 8, 4–5 × 10–13 μm.
CHEMISTRY.—Cortex K+ yellow, medulla K−, C−, KC+ rose, P+ red; atranorin and protocetraric acid.
DISTRIBUTION.—West Indies and French Guiana.
HABITAT.—On schist and volcanic rocks in open areas up to 275 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
