Punctelia subflava (Taylor) Elix & J.Johnst.
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Punctelia subflava (Taylor) Elix & J.Johnst. (1988)
Punctelia subflava (Taylor) Elix & J.Johnst.
Biostatus
Nomenclature
(Taylor) Elix & J.Johnst.
Taylor
Elix & J.Johnst.
1988
501
ICN
species
Punctelia subflava
Classification
Synonyms
Associations
Descriptions
Thallus spreading, closely attached 4-8(-20) cm diam., corticolous or saxicolous. Lobes rounded, crenate or regularly incised, dissected, somewhat crowded, margins sinuous, black, shining, isidiate. Upper surface smooth, shining, glossy, wrinkled, becoming ± faveolate at or near margins, wrinkled- ridged centrally, pale greenish-white or greenish-greyor pale bluish-grey, often brownish at margins, pseudocyphellae small, punctiform, mainly marginal, not becoming sorediate. Isidia flattened, lobate-squamiform, rarely terete and simple, becoming strongly dorsiventral, marginal in young lobes, spreading densely over surface of older lobes. Lower surface uniform pale buff or tan with a smooth, pale, naked marginal zone. Rhizines central, simple, pale, long, often densely developed. Apothecia occasional, pedicellate, to 10 mm diam., disc dark red-brown, matt, smooth, imperforate, plane to deeply concave, thalline exciple concolorous with thallus, pseudocyphellate and isidiate. Spores subglobose to broadly ellipsoid, 15-20 × 10-12 µm. Chemistry: Cortex K+ yellow; medulla K-, C+ red, KC+ red, Pd-. Lecanoric acid and atranorin.
Taxonomic concepts
Cetraria corallophora Müll.Arg.
Punctelia subflava (Taylor) Elix & J.Johnst.
Parmelia rutidota var. vestita Zahlbr.
Punctelia subflava (Taylor) Elix & J.Johnst.
Parmelia subflava Taylor
Punctelia subflava (Taylor) Elix & J.Johnst.
Punctelia rudecta (Ach.) Krog
Punctelia subflava (Taylor) Elix & J.Johnst.
Punctelia subflava (Taylor) Elix & J.Johnst.
Punctelia subflava (Taylor) Elix & J.Johnst.
Punctelia subflava (Taylor) Elix & J.Johnst.
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Metadata
960dc418-d20c-4966-b41d-d31f26d12eb9
scientific name
Names_Plants
1 January 2000
16 June 2010