Lichen: Cladonia polydactyla
Name: Cladonia polydactyla (Flörke) Spreng.
Pronunciation: Cladonia polydactyla
Conservation Evaluation: Least Concern
Body Type: Cladonia - squamulose
Description: The basal squamules are very small with an orange tint to the base. They may be lightly sorediate and incised. The green-grey to white podetia may reach a height of 3 cm. The cups open out abruptly from the stalk reaching a diameter of 5 mm. Thallus C negative, K positive (yellow), KC negative, Pd positive (orange), UV negative (thamnolic acid).
Chemical Tests: K+ yellow, Pd+ orange, UV-.
Nature Notes: Found on decaying wood, especially tree trunks and old fences. Common on heathland and among mosses.
Vice County distribution map of Cladonia polydactyla: 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 floerkeana (Fr.) Flörke
- 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 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.


