Phytologia 28: 339 (1974).

Basionym: Parmelia ultralucens Krog, Bryologist 77: 253 (1974).

Protolog: Thallus saxicolus vel corticolus, laxe adnatus, 10-20 cm diametro, cinereus vel cinereoalbidus; lobis rotundatis, 8-15 mm latis, margine crenato, ciliato, ciliis usque ad 2 mm longis, superne opacus, isidiatus, isidiis cylindricis, simplicibus vel coralloideo-ramosis, usque ad 0.3 mm longis, subtus ater, modice rhizinosus, margine nitido, brunneo, late nudo. Apothecia rara, ad 8 mm diametro, disco imperforato, sporis octonis, 10-12 x 15-17 µm. Cortex K+ flavescens, medulla K+ rubescens, PD+ aurantiacus, c-, KC-, UV+ intense lutescens, acidum salazinicum, lichexanthonum et atranorinum continens.

Holotype: USA. Georgia. Harris Co.: Dowdell's Knob, on rock, Krog, 1965, in Botanical Museum, University of Oslo (O). Isotypes in BM, S, and US.

Type locality: Data lacking.

Type locality coordinates: Data lacking.

Barcode: Data lacking.

Thallus: Data lacking.

Photobiont: Data lacking.

Chemistry: No lichen substances.

Ecology: Data lacking.

Distribution: Database

Molecular data: Genbank

Mycobank: Mycobank

Note:

Pictures: Tropical Lichens