Ropalospora viridis (Tønsberg) Tønsberg

Sommerfeltia, 14: 293, 1992. Basionym: Fuscidea viridis Tønsberg in Culberson & al. - Mycologia, 76: 156, 1984.
Synonyms:
Distribution: N - Frl (TSB s.n.), Lomb (Ravera & al. 2022b).
Description: Thallus crustose, episubstratic, areolate and sorediate, forming orbicular, up to 3 cm (or more) wide, irregular patches, occasionally becoming confluent with other thalli to cover much wider areas; prothallus indistinct or thin, whitish to brown. Areoles greyish green, matt, rounded, convex, up to 0.2 mm in diam. Soralia bursting from the apices of the areoles, green, yellow-green or straw-coloured, irregularly rounded, often becoming confluent, especially towards the centre, forming a more or less continuous subleprose crust. Soredia farinose, 20-30 μm in diam., sometimes loosely packed into larger consoredia. Apothecia very rare, lecideine, black, 0.2-0.4 mm across, with a flat disc and a persistent proper margin. Exciple brown in outer part, pale brown within, of narrow, evenly thickened hyphae with at least some lumina >3 times as long as wide; epithecium brown; hymenium colourless, 50-75 μm high, non-amyloid, inspersed with oil droplets; paraphyses easily becoming free, mostly simple, 1.5-2.0 μm thick, not or slightly thickened at apices; hypothecium pale brown. Asci 12-16-spored, clavate to broadly clavate, with a non-amyloid wall and a thin and weakly developed tholus in mature asci, K/I+ deep blue. Ascospores 5-6-septate, hyaline, clavate, straight to curved; 22-31(-44) x (1.7-)2-2.5(-3.7) μm. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV+ white. Chemistry: perlatolic acid (major), hyperlatolic-, isohyperlatolic- and superlatolic acids (minor or traces).
Note: on smooth bark of deciduous and coniferous trees in cold-humid, open woodlands; perhaps more widespread, but certainly not common. It was included in the Italian red list of epiphytic lichens as “Data Deficient” (Nascimbene & al. 2013c).
Growth form: Crustose
Substrata: bark
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: absent
Oromediterranean belt: absent
Montane belt: very rare
Submediterranean belt: extremely rare
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: absent
Dry mediterranean belt: absent

pH of the substrata:

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Solar irradiation:

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Aridity:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model
Herbarium samples


Felix Schumm – CC BY-SA 4.0
[16640], Germany, Rheinland-Pfalz, Naturpark Pfälzer Wald, ca. 2 km südlich von Hofstätten, am Weg zum Annweiler Forsthaus, 49.260193° N, 7.891891° E, 291 m. Leg. V. John, 03.09.2010 (BLAM-Exkursion)



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (32737)
2003/03/17



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (32737)
2003/03/17



Felix Schumm – CC BY-SA 4.0
[16640], Germany, Rheinland-Pfalz, Naturpark Pfälzer Wald, ca. 2 km südlich von Hofstätten, am Weg zum Annweiler Forsthaus, 49.260193° N, 7.891891° E, 291 m. Leg. V. John, 03.09.2010 (BLAM-Exkursion)



Felix Schumm – CC BY-SA 4.0
[16640], Germany, Rheinland-Pfalz, Naturpark Pfälzer Wald, ca. 2 km südlich von Hofstätten, am Weg zum Annweiler Forsthaus, 49.260193° N, 7.891891° E, 291 m. Leg. V. John, 03.09.2010 (BLAM-Exkursion)



Felix Schumm – CC BY-SA 4.0
[16640], Germany, Rheinland-Pfalz, Naturpark Pfälzer Wald, ca. 2 km südlich von Hofstätten, am Weg zum Annweiler Forsthaus, 49.260193° N, 7.891891° E, 291 m. Leg. V. John, 03.09.2010 (BLAM-Exkursion)


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=595&lang=en
France, Han sur Lesse


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=595&lang=en
France, Han sur Lesse


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=595&lang=en
France, Han sur Lesse


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=595&lang=en
France, Han sur Lesse


Ulrich Kirschbaum
Central Europe; Germany; Hesse: Taunus mountains (Wispertal).


Ulrich Kirschbaum
Central Europe; Germany; Hesse: Taunus mountains (Wispertal).


Ulrich Kirschbaum
Central Europe; Germany; Hesse: Taunus mountains (Wispertal).


Ulrich Kirschbaum
Central Europe; Germany; Hesse