Parmeliella gymnocheila (Nyl.) Müll.Arg.
Details
Parmeliella gymnocheila (Nyl.) Müll.Arg., Bull. Herb. Boissier 2: 44 (1894)
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Biostatus
Nomenclature
(Nyl.) Müll.Arg.
Nyl.
Müll.Arg.
1894
44
ICN
species
Parmeliella gymnocheila
Classification
Synonyms
Descriptions
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Thallus stellate-radiating, orbicular, closely attached, often minutely squamulose at margins, to 3 cm diam., bordered by a black or greyish, felted prothallus c. 0.5 mm wide, corticolous or saxicolous. Lobes narrow, 1-2 mm wide, sublinear, irregular, becoming imbricate and wrinkled-corrugate centrally, margins shallowly incised, slightly darkening, greyish-blue. Upper surface smooth, matt, often minutely wrinkled (×10 lens), scabrid, pale yellowish- to brownish-grey, sorediate. Soredia coarse granular, bluish-grey, mostly central, often forming a dense diffract-areolate crust. Lower surface dark brown or black, shining at margins, pale tomentose centrally. Apothecia sessile, to 1 mm diam., ± prominent, central, disc red-brown to blackened, plane to convex, proper margin entire, pale brownish to pinkish, persistent. Ascospores ellipsoid, 16-18 × 9-11 µm.
Taxonomic concepts
Pannaria gymnocheila Nyl.
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Parmeliella gymnocheila (Nyl.) Müll.Arg.
Collections
Metadata
7cd8d59f-200a-42c2-9e52-96ead60a2853
scientific name
Names_Plants
1 January 2000
9 April 2010