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Caloplaca ferruginea (Huds.) Th. Fr.

Synonyms:

Family: TELOSCHISTACEAE

Habitat: Ubiquitous

Description

    Thallus crustose, thin, minutely granular or cracked squamulose, dull white, pale grey, pale grey-green, seldom with a blackish hypothallus. Apothecia scattered all over the thallus, 0,5-2 mm diam., disc plane, brown-red, redish, bright red, red-orange, with a markedly unevenly flexuose margin, persitent, paler than disc. Ascospores polarilocular, septum 3-6 µm wide, 12-17 x 7-9 µm. Photobiont : trebouxioide. Thallus : K-, apothecia : K+ purple.  Thermophile trend, on bark of deciduous trees in well lit situations. N.B. Very similar to another species growing on rocks:  Caloplaca crenularia !*        

 







Caloplaca ferruginea Drôme provençale 1
Jacques HAINE



Caloplaca ferruginea Drôme provençale 2
Jacques HAINE



Caloplaca ferruginea Drôme provençale 3
Jacques HAINE



Caloplaca ferruginea sur Juniperus Ibiza 1
Michel DAVID



Caloplaca ferruginea sur Juniperus Ibiza 2
Michel DAVID



Caloplaca ferruginea sur Juniperus Ibiza 4
Michel DAVID



Caloplaca ferruginea sur Juniperus Ibiza 3
Michel DAVID



Caloplaca ferruginea Pays Basque Col d'Ibardin 1
Bernard BOUFFINIER



Caloplaca ferruginea Pays Basque Col d'Ibardin 2
Bernard BOUFFINIER



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