nch86's picture

Lichen(s?) with yellow and grey cups

Observed: 21st November 2009 By: nch86nch86’s reputation in Fungi and Lichensnch86’s reputation in Fungi and Lichens
Lichen with yellow and grey cups - or two lichens ?

Lichen found on vertical wall in mortar between bricks


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

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

  • Mycophycophyta
    Confidence: It might be this.
    Likely ID
    Confidence: It might be this.
Species interactions

No interactions present.


gardener's picture

The yellow apothecia are

The yellow apothecia are possibly Candelariella aurella but you need to test to see whether you get a K- reaction to be certain. The other crustose lichen with yellow discs are Caloplaca species, they give a K+ crimson result.

Not sure about the brown discs, I'm wondering if they could be the same but parasitised by something.

A lot of crustose species can be difficult enough to ID in the field and I'm afraid I'm just not experienced enough to be too much help with most of them from photo's.