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Parmelia testacea Stirt.

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Stirt.
Stirt.
1878
203
ICN
Parmelia testacea Stirt.
species
Parmelia testacea

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testacea

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Parmelia testacea Stirt.

Thallus spreading, to 10 cm diam., loosely attached, corticolous. Lobes variable, often rather narrow (2-5 mm wide) and elongate, to short and rounded-imbricate, dichotomously to irregularly branched, often clustered, imbricate centrally, apices blunt, pointed or rounded, margins entire, often devoid of algae in a narrow, white band. Upper surface greenish-grey (often bluish-green in deep shade) smooth, shining, rather thin and fragile when dry, often maculate at margins and apices, pseudocyphellae not well-developed, mainly marginal, small, sparse and scattered. Lower surface black, wrinkled or smooth, shining, densely rhizinate. Rhizines black, squarrosely branched, often protruding beyond margins. Apothecia frequent, pedicellate, small (2-4 mm diam.), to large and lacerate-expanded (to 20 mm diam.), disc brown, pale and often maculate in shaded specimens, imperforate, margins entire to crenate-incised, thalline exciple strongly wrinkled to corrugate-verrucose and maculate, rather scabrid, often lacking algae, concolorous with thallus. Ascospores ellipsoid, 13-18 × 8.5-11 µm. Pycnidia numerous, scattered, reddish-black, immersed, punctiform. Chemistry: Chemodeme i: Cortex K+ yellow; medulla K+ yellow → red, C-, KC+ red, Pd+ orange. Salazinic acid and atranorin. Chemodeme ii: Cortex K+ yellow; medulla K+ yellow, C-, KC+ pink, Pd+ orange. Protocetraric acid, atranorin and an unidentified compound. Chemodeme iii: Echinocarpic acid and atranorin. Chemodeme iv: Atranorin. In addition, occasional specimens appear to be "hybrids" with mixed chemical constituents.

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Parmelia testacea Stirt.
Parmelia testacea Stirt.
Parmelia testacea Stirt.
Parmelia testacea Stirt.

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Parmelia testacea Stirt.
New Zealand
Canterbury Land District
Parmelia testacea Stirt.
New Zealand
South Auckland Land District
Parmelia testacea Stirt.
New Zealand
Southland Land District
Parmelia testacea Stirt.
New Zealand
Wellington Land District
Parmelia testacea Stirt.
New Zealand
Westland Land District

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81549d83-6e43-4bbc-849c-0ecc6c0d6614
scientific name
Names_Plants
1 January 2000
5 May 2016
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