Melanohalea elegantula (Zahlbr.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch

Mycol. Res. 108, 8: 882 (2004).

Basionym: Parmelia aspidota var. elegantula Zahlbr., Verh. Ver. Nat., Heilk. Pressb. 8: 39 (1894).


Description: Lichen. Thallus appressed but often slightly raised at the periphery, loosely to moderately adnate, to 6 cm diam. Lobes short and of rounded, to 4 mm wide, contiguous to imbricate. Upper surface dark olive brown, occasionally pale, reddish or blackening, usually matt; isidia spread over most of the thallus, cylindrical, branched or unbranched. Lower surface pale brown, with concolorous rhizinae. Apothecia rare, sessile, with crenulate margin, to 3.5 mm diam. Spores 8-12 x 4-7 μm. Pycnidia rare. Conidia usually slightly dumbbell-shaped, 7 x 1 μm.

Photobiont: Data lacking.

Chemistry: No secondary substances (by TLC).

Ecology: Preferably corticolous on deciduous trees in open situations, such as avenues, parks and churchyards.

Distribution type: Has its northern limit in southwest Scandinavia where it occurs in Denmark, SW Sweden and S Norway. Widely distributed and known from southern, central and western Europe, North and South America, Morocco and Pakistan.

Taxonomy: Data lacking.


Distribution Database: Distributions

Distribution Database: Discover Life

Picture Database: Tropical Lichens

Molecular Database: Genbank

Synonym Database: Index Fungorum

Synonym Database: Mycobank