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, of scattered granules or continuous to cracked, bright golden yellow, ecorticate, easily separated from the substrate, usually forming extensive, irregularly spreading, to c. 1.0 mm thick patches, consisting of bright yellow, 40-75 μm thick, irregular granules which become paler toward base. Apothecia and pycnidia unknown. Photobiont chlorococcoid. Spot tests: K+ faintly orange, C-, 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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Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php (Courtesy: Anita Stridvall)



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