Cladonia digitata (en)
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Cladonia digitata (L.) Hoffm.
Beschreibung: Apothecia rare. Pycnidia and apothecia bright red, eventually borne on fingerlike projections from the rims of the cups, but young pycnidia brown and at this stage set in the in-turned cup margins, or pycnidia absent. Podetia c. 1 cm tall, often poorly developed (pin- or horn-shaped) or absent, on barked (smooth) areas grey, otherwise white and sorediate, commonly arising from the centres of the basal squamules, forming abruptly expanded cups. Basal squamules up to 10 mm width, grey-green, rounded to shallowly lobed, margins raised. Lower surface and margin farinose-sorediate, white-pale green, often tinged orange towards the base. K+ yellow, P+ orange.
Vorkommen
Habitat: On damp trunks, rotting wood and peaty soil, common in old woodland.Weiterführende Links
Silverside, A.: Cladonia digitata. Contains very meaningful photos.
A collection of photos under Creative Commons license
Literatur
