Tephromela atra (Huds.) Hafellner
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Tephromela atra (Huds.) Hafellner in Kalb, Lichenes Neotropici 7, 297 (1983)
Tephromela atra (Huds.) Hafellner
Biostatus
Nomenclature
(Huds.) Hafellner
Huds.
Hafellner
1983
297
ICN
species
Tephromela atra
Classification
Synonyms
Associations
Descriptions
Thallus grey to whitish-grey or creamish, smooth or warted-areolate, plicate, rugose, areolae, 1-3 mm diam., separated by gaping cracks or ± continuous, uneven, effuse or lacking, matt or slightly shining, Apothecia conspicuous, scattered to frequent, sessile, constricted at base, 0.2-3 mm diam., rounded to subirregular, disc black, matt or shining, epruinose, concave to plane to ± undulate-irregular to convex, thalline margin conspicuous, persistent, white, entire or crenulate or flexuose, inflexed when young. Epithecium dark red-brown 8-13 µm thick, dense. Hymenium dark brown, to 120 µm thick. Paraphyses thick, dense, 5-7 µm thick, apices capitate, 8.5 µm thick, dark brown. Asci globose to clavate, 52 × 17.4 µm. Ascospores biseriate, often difficult to find, ellipsoid, 10-15 × (5-)6-8 µm. Chemistry: Atranorin and α-collatolic acid.
Taxonomic concepts
Lecanora atra (Huds.) Ach.
Tephromela atra (Huds.) Hafellner
Lecanora pachypolis Nyl.
Tephromela atra (Huds.) Hafellner
Lecanora platylepis Zahlbr.
Tephromela atra (Huds.) Hafellner
Tephromela atra (Huds.) Hafellner
Tephromela atra (Huds.) Hafellner
Tephromela atra (Huds.) Hafellner
Tephromela atra (Huds.) Hafellner
Tephromela atra (Huds.) Hafellner
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Metadata
1113b8b0-801a-4732-afcb-25f56549bedf
scientific name
Names_Plants
1 January 2000
3 April 2020