Xylographa vitiligo (Ach.) J.R. Laundon
Lichenologist, 2: 147, 1963. Basionym: Spiloma vitiligo Ach. - Meth. Lich.: 10, 1803.
Synonyms: Agyrium rufum sensu Anzi; Agyrium spilomaticum Anzi; Xylographa spilomatica (Anzi) Th. Fr.
Description: Thallus crustose, endosubstratic to thinly episubstratic, forming endoxylic tubercles which burst open into concave to slightly convex soralia. Soralia rounded to fusiform, 0.2-0.6(-1) x 0.2-0.3(-0.8) mm in diam., often lacking a strong internal mycelial cushion, at first often brown or grey-mottled due to pigmentation of the external soredia, later more or less dirty white, often confluent and forming elongate, several mm long patches; soredia globose, with a more or less distinct paraplectenchymatous wall, 19-45 μm across, becoming conglutinated into colourless or brown, 22-50(-70) μm wide consoredia. Apothecia rare, solitary or in up to 3 mm wide clusters, more or less rounded, ellipsoid or fusiform, rarely substellate, usually straight, occasionally slightly curved, 0.3-0.6 x 0.1-0.3 mm, with a concave to flat, greyish white to brown disc, and an often reflexed, brown, often glossy proper margin. Exciple brown in outer part, colourless within; epithecium brown; hymenium colourless, 72-100 μm high; paraphyses 1-1.5 μm thick at mid-level, the apical cells up to 2.5(-3.5) μm wide; hypothecium colourless. Ascospores 1-celled, hyaline, elongate with rounded ends to ellipsoid, (8-)10–14(-16.5) x 4-7.5 μm. Photobiont chlorococcoid. Spot tests: soralia K+ yellow, C-, KC-, P+ yellow-orange. Chemistry: stictic acid plus traces of satellites.
Growth form: Crustose
Substrata: lignum
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: rather common
Montane belt: 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
Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/
P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (15272)
2001/12/11
P.L. Nimis CC BY-SA 4.0
TSB 42085
P.L. Nimis CC BY-SA 4.0
TSB 42086
P.L. Nimis CC BY-SA 4.0
TSB 42086
P.L. Nimis CC BY-SA 4.0
TSB 42493
P.L. Nimis CC BY-SA 4.0
TSB 42494
P.L. Nimis CC BY-SA 4.0
TSB 42494
P.L. Nimis CC BY-SA 4.0
TSB 42494
Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/
P.L. Nimis CC BY-SA 4.0
TSB 42493
Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/
Growth form: Crustose
Substrata: lignum
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Commonnes-rarity: (info)
Alpine belt: absent
Subalpine belt: rather common
Montane belt: 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
Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/
P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (15272)
2001/12/11
P.L. Nimis CC BY-SA 4.0
TSB 42085
P.L. Nimis CC BY-SA 4.0
TSB 42086
P.L. Nimis CC BY-SA 4.0
TSB 42086
P.L. Nimis CC BY-SA 4.0
TSB 42493
P.L. Nimis CC BY-SA 4.0
TSB 42494
P.L. Nimis CC BY-SA 4.0
TSB 42494
P.L. Nimis CC BY-SA 4.0
TSB 42494
Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/
P.L. Nimis CC BY-SA 4.0
TSB 42493
