Bryologist 16, 5: 69 - 70 (1913).
Basionym: xxx.
Synonym: Index Fungorum
Type: In the herbarium of the Museum histoire d'naturelle, Paris. Cotype in the Sprague herbarium, Boston Society of Natural History, Boston.
Thallus: Caespitose (max. length 6 cm.) rigid, virescent to rufescent; cortex glabrous, transverse-rimose or rugose; laciniae, compressed spatulate, two-edged, subsimple or branched, expanded and digitate above or laterally (max. width 2.5 cm.), apices blunt-attenuate. Apothecia common, subterminal, or terminal, often aggregate, applanate or concave, marginate at length lacerate (max. diam. 10 mm.), thalline exciple rugose, disk concolorous. Spores ellipsoid, straight or substraight, 10 - 21 x 3 - 6 µm.
Photobiont:
Chemistry:
Ecology: On maritime rocks.
Molecular data: Genbank
Distribution: Database
Note: