Placopsis subgelida (Nyl.) Nyl.
Details
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Biostatus
Nomenclature
(Nyl.) Nyl.
Nyl.
Nyl.
1888
57
ICN
species
Placopsis subgelida
Classification
Synonyms
Descriptions
Placopsis subgelida (Nyl.) Nyl.
Thallus determinate, suborbicular, forming effigurate patches, to 4 cm diam., saxicolous. Marginal lobes broad, plane, smooth, 1.5-5 mm long, 1-2.5 mm broad, contiguous, separated by cracks, 0.1-0.3 mm wide, subcuneate, irregularly branched, apices rounded or subcrenulate and produced inwards towards centre. Upper surface smooth, irregularly cracked, not areolate, creamish, matt, white-pruinose, without isidia or soredia. Cephalodia scattered, sessile, suborbicular to irregular, flattened, 2-7 mm diam., effigurate, with radiating folds and cracks, dark pinkish or pale brownish, matt. Apothecia irregularly scattered, rounded, to 2 mm diam., subpedicellate, thalline margin thick, entire, rounded, white-pruinose, disc plane or subconcave, red-brown or reddish, matt, slightly pruinose. Hymenium 285-320 µm tall, epithecium with sordid yellow crystals. Hypothecium colourless. Paraphyses not thickened at apices. Ascospores uniseriate, ellipsoid to broadly ellipsoid 25-30 × 12-21 µm. Pycnidia immersed, ostioles minute, black, punctiform. Conidia not seen. Chemistry: Cortex K-, C+ rose; medulla K- or pale yellow, C+ rose, Pd-.
Taxonomic concepts
Lecanora subgelida Nyl.
Placopsis subgelida (Nyl.) Nyl.
Lecanora subgelida Nyl.
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Placopsis subgelida (Nyl.) Nyl.
Historic biostatus
Collections
Metadata
82761443-cb9c-4262-90e1-d3ec3987c88c
scientific name
Names_Plants
1 January 2000
11 October 2013