Français English

Cladonia pocillum (Ach.) Grognot

Synonyms:

Family: CLADONIACEAE

Habitat: Aerohaline zone

Description

    Like Cladonia pyxidata but with particularly well-developed, spreading, contiguous and overlapping basal squamules, ± imbricate, erect, forming compact rosettes, tightly appressed, except towards the margin where they are slightly up-turned, tip lobe margins, eroded, indented, upper surface green, grey-green, softly pulverulent, white below. Podetia 0.5-2 cm tall, topped by scyphi, 0.3-10 mm diam., coarsely granular corticate inside and on outer surface. Apothecia at scyphi margins, brown. Photobiont : Trebouxioid. Thallus : C-, K-, KC-, Pd+ red. Mainly on sandy calcareous dunes and weakly acid soils with other species of the Toninion caeruleonigricantis where it often is the host of other cyanobacteria lichens and to Diploschistes muscorum. N.B. This species probably is an ecotype of Cladonia pyxidata that displays smaller basal squamules and is not forming rosette.*







Cladonia pocillum La Palue
Bernard BOUFFINIER



Cladonia pocillum avec Fulgensia fulgens La Palue
Michel DAVID



Cladonia pocillum La Palue 4
Bernard BOUFFINIER



Cladonia pocillum La Palue 5
Bernard BOUFFINIER



Cladonia pocillum avec un début de parasitisme par Diploschistes muscorum La Palue 3
Michel DAVID



Cladonia pocillum La Palue 6
Bernard BOUFFINIER



Cladonia pocillum avec un début de parasitisme par Diploschistes muscorum La Palue 6
Bernard BOUFFINIER



Cladonia pocillum sur roche calcaire Loiret
Arnaud DELHOUME



Cladonia pocillum sur roche calcaire Provence Mérindol
Bernard BOUFFINIER



Return
Content : Alain Gérault - Website development : Sylvain Ard - Hosting : Online.net