Verrucaria endocarpoides Servít
Preslia, 24: 357-358, 1952.
Synonyms:
Description: Thallus crustose, episubstratic, rimose-areolate, 0.15-0.25 mm thick, usually delimited by a thin black prothallus, the areoles pale ochre-coloured to dark brown, dull to slightly shiny, 0.2-0.7 mm wide, polygonal, sometimes subdivided into smaller units, with wavy margins, separated by thin fissures. Cortex 10-25(-30) μm thick, rarely overlain by a very thin epinecral layer; algal layer 60-200 μm thick; medulla white to brownish at the base, without a black basal layer. Perithecia black, numerous, c. 120-180/cm², 1-2 per areole, completely or 2/3 immersed, the apical part flat to convex, c. 0.25 mm across. Involucrellum reaching down at least ⅔ of the perithecium, adpressed to exciple, 40-60 μm thick in upper part, 80-100 μm thick in lower part; exciple 0.25-0.30 mm across, the wall 15-20 μm thick, pale to dark brown, K+ olive-green; hamathecium of mostly simple periphyses and periphysoids measuring 20-30(-40) x c. 3 μm, interascal filaments absent; hymenial gel hemiamyloid, I+ red (I+ blue at very low concentrations of I), K/I+ blue. Asci 8-spored, clavate, I-, fissitunicate, the wall thickened above, with an ocular chamber, dehiscent by extrusion of an endotunica to form a delicate rostrum, Verrucaria-type; Ascospores 1-celled, hyaline, ellipsoid, (18-)20-26 x 8-11 μm. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Poorly known taxon in need of further study
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: absent
Montane belt: extremely rare
Dry submediterranean belt: very rare
Humid submediterranean belt: absent
Padanian area: absent
pH of the substrata:
1 2 3 4 5
Solar irradiation:
1 2 3 4 5
Aridity:
1 2 3 4 5
Eutrophication:
1 2 3 4 5
Poleotolerance:
0 1 2 3
Altitudinal distribution:
1 2 3 4 5 6
Rarity
absent
extremely rare
very rare
rare
rather rare
rather common
common
very common
extremely common
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Occurrence data
Predictive map
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Poorly known taxon in need of further study
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: absent
Montane belt: extremely rare
Dry submediterranean belt: very rare
Humid submediterranean belt: absent
Padanian area: absent
pH of the substrata:
1 | 2 | 3 | 4 | 5 |
Solar irradiation:
1 | 2 | 3 | 4 | 5 |
Aridity:
1 | 2 | 3 | 4 | 5 |
Eutrophication:
1 | 2 | 3 | 4 | 5 |
Poleotolerance:
0 | 1 | 2 | 3 |
Altitudinal distribution:
1 | 2 | 3 | 4 | 5 | 6 |
Rarity
absent
extremely rare
very rare
rare
rather rare
rather common
common
very common
extremely common
Loading data...
Occurrence data
Predictive map