jonmortin's picture

Lichen

Observed: 30th April 2013 By: jonmortin
Bristol Regional Environmental Records Centre
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DSCN1714a
Description:

Grey foliose lichen with brown underside, growing on hawthorn.

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.

Comments

Paul Roberts's picture

Cilia

Not a lot of this is in focus but at least one lobe (mid right) appears to have marginal cilia. Is this consistent with H. revoluta? Not being critical just curious.

synan's picture

Rhizines

Those are rhizines originating from the lower surface. H. revoluta is rhizinate to the margins, whereas Parmotrema spp. have a marginal zone with no rhizines, but sometimes have cilia. Apparently H. revoluta can, rarely, have sparse marginal cilia too, but these aren't them.

Nigel

AlanS's picture

Underside colour

Good to see that we are provided with a note of the colour of the underside. It being brown is useful confirmation that this is H. revoluta and not H. afrorevoluta (black underside except near the margins).

Alan