Chrysothrix chlorina (Ach.) J.R. Laundon

Lichenologist, 13: 110, 1981. Basionym: Lichen chlorinus Ach. - Lichenogr. Suec. Prodr.: 6, 1799.
Synonyms: Calicium chlorinum (Ach.) Schaer. non auct. p.p.; Lepra chlorina (Ach.) DC.; Lepraria chlorina (Ach.) Ach.; Pulveraria chlorina (Ach.) Ach.
Distribution: N - Frl (Tretiach & Hafellner 2000), Ven, Lomb, Piem (Morisi & Sereno 1995, Piervittori 2003, Isocrono & al. 2006, 2007), VA (Piervittori & Isocrono 1997, 1999). C - Tosc (Benesperi 2006), Sar (Nöske 2000, Nöske & al. 2000, Rizzi & al. 2011). S - Camp (Aprile & al. 2002), Cal (Puntillo 1996), Si (Caniglia & Grillo 2003, Grillo & Caniglia 2004, 2006).
Description: Thallus leprose, woolly-textured, of scattered granules or continuous to cracked, ecorticate, easily separated from the substrate, usually forming extensive, irregularly spreading, 0.3-1 mm thick patches, entirely consisting of bright golden yellow, (20-)40-100(-150) µm thick, irregular, soredia-like granules which become paler toward the interior of the thallus. Apothecia and pycnidia unknown. Photobiont chlorococcoid. Spot tests: K- or K+ faintly orange, C-, KC- or KC+ faintly reddish, P-, UV+ orange. Chemistry: calycin, vulpinic acid and sometimes zeorin (minor)
Note: a widespread lichen found in underhangs and crevices of siliceous rocks in shaded, humid situations, limited to areas with high air humidity; widespread throughout the Alps, also occurs in the siliceous mountains of southern Italy and of Sardegna.
Growth form: Leprose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
In underhangs rarely wetted by rain

Commonnes-rarity: (info)

Alpine belt: extremely rare
Subalpine belt: extremely rare
Oromediterranean belt: absent
Montane belt: very rare
Submediterranean belt: very rare
Padanian area: absent
Humid submediterranean belt: very rare
Humid mediterranean belt: extremely rare
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

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 (31429)
2001/12/09



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (31429)
2001/12/09


Leif Stridvall - Source: http://www.stridvall.se/lichens/gallery/
Courtesy: Anita Stridvall



Pier Luigi Nimis - CC BY-SA 4.0
TSB 41916



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 388021



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 388021



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 388021


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php (Courtesy: Anita Stridvall)


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/