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Lichen: Cladonia floerkeana

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Cladonia floerkeana grows in well drained soil with a high humus content.

Cladonia floerkeana grows in well drained soil with a high humus content.

Name: Cladonia floerkeana (Fr.) Flörke

Pronunciation: Cladonia floerkeana-

Cladonia floerkeana develops large podetia.

Cladonia floerkeana develops large podetia.

Conservation Evaluation: Least Concern

Description: The podetia in this species are very distinctive and tall. They have been recorded as high as 60 mm although the norm is in the range 10 mm to 30 mm high, with a diameter of 1.5 mm. Podetia may be branched at the tips; branching is more frequent at the base near the small primary squamules (8mm long). Coarse squamules cover podetia. Apothecia form on the rim of the tip of the podetia; these are common and are light to dark brown in colour. Red pycnidia also form on the tips of the podetia.


K positive yellow and UV positive blue. Primary squamules are green on the upper surface and white with a hint of orange on the underside. It is easy to confuse with Cladonia crispata; Cladonia floerkeana has larger squamules.

Nature Notes: Found growing on rotting logs or well drained soil with a high humus content, fence posts and open heathland.

Vice County distribution map of Cladonia floekeana: See map.

Link: Map this species on the Lichen Survey

Other species recorded in Ireland

  • Cladonia arbuscula (Wallr. )Flot. [10]
  • Cladonia azorica Ahti
  • Cladonia bellidiflora (Ach.) Schaer.
  • Cladonia caespiticia (Pers.) Flörke
  • Cladonia cariosa (Ach.) Spreng.
  • Cladonia cervicornis (Ach. ) Flot.
  • Cladonia cervicornis ssp. verticillata (Hoffm.) Ahti
  • Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. [11]
  • Cladonia ciliata Stirt.
  • Cladonia ciliata var. tenuis (Flörke) Ahti
  • Cladonia coccifera (L.) Willd. [12]
  • Cladonia coniocraea (Flörke) Spreng.
  • Cladonia cornuta (L.) Hoffm.
  • Cladonia crispata var. cetrariiformis (Delise ex Duby) Vain.
  • Cladonia cyathomorpha Stirt. ex Walt.Watson
  • Cladonia digitata (L.) Hoffm.
  • Cladonia diversa Asperges [13]
  • Cladonia fimbriata (L.) Fr.
  • Cladonia firma (Nyl.) Nyl.
  • Cladonia foliacea (Huds.) Willd.
  • Cladonia furcata (Huds.) Schrad.
  • Cladonia furcata ssp. subrangiformis (Sandst.) Abbayes
  • Cladonia glauca Flörke
  • Cladonia gracilis (L.) Willd.
  • Cladonia humilis (With.) J.R.Laundon
  • Cladonia incrassata Flörke
  • Cladonia luteoalba Wheldon & A.Wilson
  • Cladonia macilenta Hoffm.
  • Cladonia ochrochlora Flörke
  • Cladonia parasitica (Hoffm.) Hoffm.
  • Cladonia peziziformis (With.) J.R.Laundon
  • Cladonia pleurota (Flörke) Schaer.
  • Cladonia pocillum (Ach.) Grognot
  • Cladonia polydactyla (Flörke) Spreng.
  • Cladonia portentosa (Dufour) Coem.
  • Cladonia pyxidata (L.) Hoffm.
  • Cladonia ramulosa (With.) J.R.Laundon
  • Cladonia rangiferina (L.) F.H.Wigg.
  • Cladonia rangiformis Hoffm.
  • Cladonia scabriuscula (Delise) Nyl.
  • Cladonia squamosa var. subsquamosa (Nyl. ex Leight.) Vain.
  • Cladonia stereoclada Abbayes
  • Cladonia strepsilis (Ach.) Grognot
  • Cladonia subcervicornis (Vain.) Kernst.
  • Cladonia subulata (L.) F.H.Wigg.
  • Cladonia sulphurina (Michx.) Fr.
  • Cladonia uncialis ssp. biuncialis (Hoffm.) M.Choisy
  • Cladonia zopfii Vain.

Text and images © Paul Whelan, 2009.