Comprehensive Description
provided by Smithsonian Contributions to Botany
Pseudoparmelia dahlii
Thallus adnatus, corticola, viridi-flavicans, 3–4 cm latus, lobis sublinearibus, contiguis, 1.5–2.0 mm latis; superne convexus, opacus, dense isidiatus, isidiis cylindricis, simplicibus, usque ad 0.5 mm altis; cortex superior 12–14 μm crassus, epicorticatus; stratum gonidiale 15–20 μm crassum; medulla alba, 140–160 μm crassa; cortex inferior paraplectenchymatus, 12–14 crassus; subtus pallide castaneus, dense rhizinosus, rhizinis pallidis, simplicibus, elongatis. Apothecia adnata, 1 mm diametro; hymenium 40–45 μm altum; sporae 8:nae, 6 × 7–9 μm.
CHEMISTRY.—Cortex K−, medulla K−, C+, KC+ red, K−, usnic acid, caperatic acid and lecanoric acid.
HOLOTYPE.—Sri Lanka: Polonnaruwa, E. Dahl, 6 January 1972 (O; US isotype).
DISTRIBUTION.—Sri Lanka.
HABITAT.—On trees in lowland forest.
- 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
