Aspicilia supertegens Arnold

Verh. zool.-bot. Ges. Wien, 17: 567, 1877.
Synonyms: Aspicilia prinii B. de Lesd.; Lecanora leucostoma H. Magn.; Lecanora supertegens (Arnold) Zahlbr.; Oxneriaria supertegens (Arnold) S. Y. Kondr. et L. Lőkös
Description: Thallus crustose, episubstratic, continuous to rimose, rarely distinctly areolate, 0.4-0.8 mm thick, smooth, whitish, pale grey or grey-brown, sometimes with a violet tinge, often delimited by a black prothallus, forming well-delimited orbicular patches. Cortex granular-inspersed; medulla white, I-; algal layer not extending below the hypothecium. Apothecia lecanorine-aspicilioid, immersed in the thallus, 0.3-1.5(-2) mm across, usually irregular in outline, with a concave to finally flat, black, epruinose disc and a thin, often indistinct thalline margin. Epithecium greenish to olive-brownish, N+ emerald green; hymenium colourless, 115-140 µm high, I+ blue turning reddish; paraphyses submoniliform, the apical cells to 3.5 µm wide; hypothecium colourless, inspersed with oil droplets. Asci 8-spored, cylindrical-clavate, the thin outer coat K/I+ blue, the wall and apical dome K/I-. Ascospores 1-celled, hyaline, broadly ellipsoid, (15-)17-22(-25) x 10-14(-16) µm. Conidia thread-like, slightly curved, (17-)25-40 x c. 0.5 µm. Photobiont chlorococcoid. Spot tests: cortex and medulla K-, C-, KC-, P-. Chemistry: aspicilin.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: very rare
Subalpine belt: rare
Montane belt: extremely rare
Dry submediterranean belt: absent
Humid submediterranean belt: absent
Padanian area: absent

pH of the substrata:

12345
info

Solar irradiation:

12345
info

Aridity:

12345
info

Eutrophication:

12345
info

Poleotolerance:

0123
info

Altitudinal distribution:

123456
info

Rarity

absent
extremely rare
very rare
rare
rather rare
rather common
common
very common
extremely common
Loading data...
Occurrence data
Predictive map

P.L. Nimis CC BY-SA 04
TSB 1012


P.L. Nimis CC BY-SA 4.0
TSB 1012


Source: https://www.europeana.eu/it/item/841/NHMUKXBOTXBM001107839
Aspicilia supertegens Arnold - 1876 - The Trustees of the Natural History Museum, London, United Kingdom - CC BY.


Source: https://www.europeana.eu/it/item/841/NHMUKXBOTXBM001107839
Aspicilia supertegens Arnold - 1876 - The Trustees of the Natural History Museum, London, United Kingdom - CC BY.