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Lichen on tree bark

Observed: 19th May 2012 By: jip4
S159 Neighbourhood Nature - course complete
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Lichen on tree bark
Description:

This lichen was abundant on smooth barked trees, possibly lime tree.

Identifications

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

Comments

synan's picture

Tricky

Very young thalli, so not easy. The largest grey thallus is Physcia. The cilia (hair-like structures) distinguish it from Hypogymnia. The two smaller thalli might be Hypogymnia, but I think they are more likely to be Physcia too. However, if they are Hypogymnia, I don't think it's visually possible to arrive at a species... but I might be wrong. I usually ignore young material.

Nigel