sarahjo's picture

Lichen on Horse Chestnut tree 2

Observed: 10th April 2011 By: sarahjo
S159 Neighbourhood Nature - current student
sarahjo’s reputation in Fungi and Lichenssarahjo’s reputation in Fungi and Lichens
Grey Lichen

Crusty grey lichen on trunk, quite hard.


Caution: Do NOT use iSpot to identify fungi to eat!

Some fungi are very poisonous so a mistaken ID could have serious consequences.

Species interactions

No interactions present.

Species with which Physcia interacts


AlanS's picture

A nasty mixture

Perhaps the predominant species is P. adscendens, but I think P. tenella is there as well. There is also something with soredia along the lobe margins - I think it is very dried up Phaeophyscia orbicularis (usually darker in colour, but not always).