Pannaria araneosa (C.Bab.) Hue
Details
Pannaria araneosa (C.Bab.) Hue (1902 [1901])
Pannaria araneosa (C.Bab.) Hue
Biostatus
Nomenclature
(C.Bab.) Hue
C.Bab.
Hue
1902
1901
57
ICN
species
Pannaria araneosa
Classification
Synonyms
Associations
Descriptions
Thallus large, rosette-forming to spreading, loosely to closely attached, lobate-foliose, free at margins, without a prothallus, 5-12(-20) cm diam. Lobes broad, 5-20 mm wide, coriaceous, margins rounded, sinuous often crisped, ascending, overlapping, conspicuously thickened. Upper surface uneven, matt centrally, coarsely scabrid near margins and regularly marginally tomentose, tomentum white, arachnoid, pubescent, plant bright green when wet, pale greenish-grey or pale greenish-fawn when dry. Medulla white. Lower surface whitish, naked or very finely tomentose, striate, with occasional tufts of pale buff, squarrose rhizines centrally. Cephalodia frequent to moderate, small, globose, ± granular to subplacodioid, 1.3 mm diam., pale whitish-grey, laminal, densely wrinkled-plicate. Apothecia sessile, laminal, often crowded centrally 1-5 mm diam., margins concolorous with thallus, thick, crenulate-striate, disc plane or subconcave, chestnut-brown to dark red-brown, smooth, matt, epruinose, not gyrose-contorted, without fissures or thalline lobules, thalline exciple wrinkled-verrucose. Ascospores ellipsoid, 12-16 × 8-9 µm.
Taxonomic concepts
Cetraria dermatoidea (Stirt.) Zahlbr.
Pannaria araneosa (C.Bab.) Hue
Lecanora araneosa (C.Bab.) Nyl.
Pannaria araneosa (C.Bab.) Hue
Pannaria araneosa (C.Bab.) Hue
Pannaria araneosa (C.Bab.) Hue
Pannaria araneosa (C.Bab.) Hue
Parmelia rubiginosa var. araneosa C.Bab.
Pannaria araneosa (C.Bab.) Hue
Platysma dermatoides Stirt.
Pannaria araneosa (C.Bab.) Hue
Psoroma araneosum (C.Bab.) Nyl.
Pannaria araneosa (C.Bab.) Hue
Psoroma subpruinosum Nyl.
Pannaria araneosa (C.Bab.) Hue
Collections
Metadata
d9255471-f199-46bb-b18c-318e284d9d03
scientific name
Names_Plants
23 February 2009
9 March 2010