dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Botany
Pseudoparmelia adspersa

Pseudoparmelia adspersa (Vainio) Hale, 1974:189.

Parmelia adspersa Vainio, 1907:168 [type collection: Lem Ngob, Siam, Schmidt XV (TUR, lectotype; C, isolectotype)].

Parmelia filipina Hale, 1972a:99 [type collection: Tagaytay, Cavite, Philippine, Hale 26809 (US, holotype; TNS, UPS, isotypes)].

DESCRIPTION.—Thallus adnate on trunks, whitish ashy gray, 5–8 cm broad; lobes subrotund, 3–6 mm wide, the upper surface plane, continuous or finely cracked with age, densely isidiate, the isidia mostly simple, cylindrical, 0.1–0.15 mm high, 0.05 mm in diameter; lower surface black except for a narrow dark brown zone along the margins, sparsely to moderately rhizinate. Apothecia (from Hale 26976) rare, substipitate, 2–4 mm in diameter, the amphithecium isidiate; spores 8, 5 × 10–12 μm.

CHEMISTRY.—Cortex K+ yellow, medulla K−, C−, KC−, P+ red; atranorin, fumarprotocetraric acid, and succinprotocetraric acid.

DISTRIBUTION.—Philippines, Thailand.

HABITAT.—Planted Casuarina trees at low to mid elevation (200–2000 m).
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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