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Cladonia gracilis (L.) Willd.

Synonyms:

Family: CLADONIACEAE

Habitat: Aerohaline zone

Description

    Primary thallus made of basal squamules up to 2 mm, indented, grey-greenish soon mostly disappearing. Podetia 2-10 cm tall, slender, sparingly branched, pointed at apices or usually some with a small and shallow terminal scyphus, 1-2 mm diam., not perforated, often with dentate margins, sometimes proliferating from rim, grey-greenish, olive when moist to brownish when dry, most often becoming dark brown towards the base. Apothecia rare, at apices of podetia, dark brown. Pycnidia frequent. Photobiont: trebouxioid. C-, K-, KC-, P+ red, UV-. Common on acid sandy soils of heathlands. N.B. Not to confuse with Cladonia furcata s. l. that is devoid of scyphus and displays hollowed podetia and from Cladonia crispata var. cetrariiformis of which scyphi are perforated.







Cladonia gracilis Saint Hernot 2
Bernard BOUFFINIER



Cladonia gracilis Saint Hernot 1
Bernard BOUFFINIER



Cladonia gracilis Saint Hernot 3
Bernard BOUFFINIER



Cladonia gracilis Trez Bihan
Bernard BOUFFINIER



Cladonia gracilis Ty ar C'huré 1
Bernard BOUFFINIER



Cladonia gracilis Ty ar C'huré 2
Bernard BOUFFINIER



Cladonia gracilis Ty ar C'huré 3
Bernard BOUFFINIER



Cladonia gracilis Ty ar C'huré 4
Bernard BOUFFINIER



Cladonia gracilis Crozon MĂ©nez Kador 1
Bernard BOUFFINIER



Cladonia gracilis Crozon MĂ©nez Kador 2
Bernard BOUFFINIER



Cladonia gracilis Crozon MĂ©nez Kador 3
Bernard BOUFFINIER



Cladonia gracilis & Cladonia portentosa f. condensata Cap de la Chèvre 1
Michel DAVID



Cladonia gracilis & Cladonia portentosa f. condensata Cap de la Chèvre 2
Michel DAVID



Cladonia gracilis avec Cladonia portentosa Cap de la Chèvre 3
Michel DAVID



Cladonia gracilis avec Cladonia portentosa fertile Cap de la Chèvre 4
Michel DAVID



Cladonia gracilis et Cladonia portentosa forma laxiuscula Cap de la Chèvre 5
Michel DAVID



Cladonia gracilis avec Cladonia uncialis subsp. biuncialis et Cladonia portentosa Cap de la Chèvre 6
Michel DAVID



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