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Parmelia cunninghamii Cromb.
Details
Parmelia cunninghamii Cromb. (1876)
Nomenclature
Cromb.
Cromb.
1876
228
ICN
Parmelia cunninghamii Cromb.
species
Parmelia cunninghamii
Classification
Descriptions
Parmelia cunninghamii Cromb.
Thallus loosely attached, to 15 cm diam., rather thick, coriaceous, corticolous or saxicolous. Lobes rounded to broadly linear-laciniate (12-20 × 5 mm), undulate centrally, margins entire, sinuous or subcrenate, black and shining, often ascending and slightly thickened. Upper surface smooth, waxy, often white-pruinose, sometimes coarsely wrinkled, greenish-grey (becoming distinctly yellowish on storage), pseudocyphellae rather few, small, fleck-like, mainly at margins. Soralia common, marginal, rarely laminal, globose to linear-confluent, soredia whitish, becoming grey-black with age, rather coarse and granular. Lower surface black, rhizinate, often with a smooth, naked, shining, brown marginal zone. Rhizines black, simple to squarrosely branched, sparse to dense. Apothecia rare, subpedicellate, disc plane to distinctly concave, matt, brown, imperforate, margins entire or shallowly incised, thalline exciple strongly wrinkled and pseudocyphellate, not sorediate. Ascospores ellipsoid, 11-15 × 6.5-8.3 µm. Pycnidia rare, minute, black, punctiform, towards margins. Chemistry: Cortex K+ yellow; medulla K+ yellow → red, C-, KC+ red, Pd+ orange. Salazinic acid and atranorin.
Taxonomic concepts
Parmelia cunninghamii Cromb.
Parmelia cunninghamii Cromb.
Parmelia cunninghamii Cromb.
Parmelia cunninghamii Cromb.
Parmelia cunninghamii Cromb.
Collections
Metadata
e13d40c7-fd0d-4a43-9892-07aabead983c
scientific name
Names_Plants
1 January 2000
5 May 2016