Verrucaria furfuracea (B. de Lesd.) Breuss
Lichen Flora of the Greater Sonoran Desert Region, 3: 354, 2007. Basionym: Verrucaria macrostoma DC. f. furfuracea B. de Lesd. - Rev. Bryol. Lichénol., 18: 71, 1949.
Synonyms: Verrucaria furfuracea (B. de Lesd.) Breuss; Verrucaria macrostoma DC. f. furfuracea B. de Lesd.; Verrucaria macrostoma var. imbricum Garov.; Verrucaria tectorum auct. p.p.
Description: Thallus crustose, episubstratic, well-developed, up to several cm wide, 0.25-0.4 mm thick, ochraceous grey or pale to mid-brown, areolate, the areoles 0.5-1 mm wide, the margins with abundant, yellowish to pale brown, 20-45 μm thick, simple or sometimes branched isidioid blastidia. Cortex up to 20 µm thick, sometimes reduced to a single layer of cells, overlain by an up to 30 μm thick epinecral layer; algal layer 100–150 μm thick; medulla white to patchily brownish, not forming a black basal layer. Perithecia very rare, black, immersed in the areoles with the apical part more or less emergent, the projecting part narrowly covered by the thallus, the apex naked, convex. Involucrellum well-developed, appressed to exciple, reaching at least half-way to the base, broadening to 75-100 µm toward the base; exciple broadly pyriform with a short conical neck, 0.3-0.35 mm across, the wall colourless to brown, c. 25 µm thick; hamathecium of branched and anastomosing, 35-50 µm long periphysoids, 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, 20-27 x 11-13 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 asexual, by soredia, or soredia-like structures (e.g. blastidia)
Poorly known taxon in need of further study
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: absent
Montane belt: very rare
Dry submediterranean belt: extremely 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
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
3/8/2015
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
P.L. Nimis CC BY-SA 04
TSB 21897
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=514&lang=en
France, Lanveoc
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Poorly known taxon in need of further study
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: absent
Montane belt: very rare
Dry submediterranean belt: extremely 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
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
3/8/2015
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verrucaria_macrostoma.htm
France, 3/8/2015 - Poleymieux-au-Mont d’Or, alt. 450 m - Rhône
P.L. Nimis CC BY-SA 04
TSB 21897
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=514&lang=en
France, Lanveoc
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=981&lang=en
France, Postolonnec
sur beton
