Sporodictyon cruentum (Körb.) Körb.
Parerga Lichenol.: 332, 1863. Basionym: Segestrella cruenta Körb. - Denkschr. Schles. Ges. vaterl. Cultur: 237, 1853.
Synonyms: Polyblastia cruenta (Körb.) P. James & Swinscow; Polyblastia henscheliana (Körb.) Lönnr.; Polyblastia robusta Arnold; Sphaeromphale henscheliana Körb.; Sporodictyon henschelianum (Körb.) Körb.; Verrucaria subumbrina Nyl.
Description: Thallus crustose, episubstratic, continuous to rimose especially around the perithecia, grey-green (in shade) to brown, greenish black when wet. Perithecia black, forming 0.5-0.7 mm wide projections, often covered by a thalline layer at least in lower half. Involucrellum of pseudoparenchymatous cells, progressively diverging from exciple and reaching the base of the perithecium; exciple dark brown in upper part, paler at base; hamathecium of periphyses and periphysoids, interascal filaments absent; hymenial gel hemiamyloid, I+ red (I+ blue at very low concentrations of I), K/I+ blue. Asci (4-)8-spored, clavate, K/I-, fissitunicate, the wall thickened above, with an ocular chamber, dehiscent by extrusion of an endotunica to form a delicate rostrum. Ascospores muriform, medium brown when mature, rarely dark brown but then the cells still visible, ellipsoid, 50-60 x (21-)24-31 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
Periodically submerged (e.g. in creeks)
Commonnes-rarity: (info)
Alpine belt: very rare
Subalpine belt: rare
Montane belt: absent
Dry submediterranean belt: absent
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
Felix Schumm – CC BY-SA 4.0
[14285] Österreich, Vorarlberg
Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige
Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige
Felix Schumm – CC BY-SA 4.0
[14285] Österreich, Vorarlberg
Felix Schumm – CC BY-SA 4.0
[14285] Österreich, Vorarlberg
Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige
Source: Zschacke, H. (1934) Epigloeaceae, Verrucariaceae und Dermatocarpaceae. In: Dr. L. Rabenhorst‘s Kryptogamen-Flora, Band 9, Abt. 1, Teil 1. Akademische Verlagsgesellschaft, Leipzig, 695 pp. - Public Domain
Source: Zschacke H. 1914. Die mitteleuropäsche Verrucariaceen. II. Hedwigia, 55: 286-324. Public Domain
36. P. Henscheliana Stricker: a Perithezium, b 3 Sporen.
Source: Zschacke H. 1914. Die mitteleuropäsche Verrucariaceen. II. Hedwigia, 55: 286-324. Public Domain
36. P. Henscheliana Stricker: a Perithezium, b 3 Sporen.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Periodically submerged (e.g. in creeks)
Commonnes-rarity: (info)
Alpine belt: very rare
Subalpine belt: rare
Montane belt: absent
Dry submediterranean belt: absent
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
Felix Schumm – CC BY-SA 4.0
[14285] Österreich, Vorarlberg
Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige
Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige
Felix Schumm – CC BY-SA 4.0
[14285] Österreich, Vorarlberg
Felix Schumm – CC BY-SA 4.0
[14285] Österreich, Vorarlberg
Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige
Source: Zschacke, H. (1934) Epigloeaceae, Verrucariaceae und Dermatocarpaceae. In: Dr. L. Rabenhorst‘s Kryptogamen-Flora, Band 9, Abt. 1, Teil 1. Akademische Verlagsgesellschaft, Leipzig, 695 pp. - Public Domain
Source: Zschacke H. 1914. Die mitteleuropäsche Verrucariaceen. II. Hedwigia, 55: 286-324. Public Domain
36. P. Henscheliana Stricker: a Perithezium, b 3 Sporen.
