synan's picture

Physcia caesia

Observed: 22nd October 2011 By: synansynan is knowledgeable about Fungi and Lichenssynan’s earned reputation in Fungi and Lichenssynan’s earned reputation in Fungi and Lichenssynan’s earned reputation in Fungi and Lichenssynan’s earned reputation in Fungi and Lichenssynan’s earned reputation in Fungi and Lichens
Physcia caesia
Description:
Identifications

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

Species interactions

No interactions present.

Comments

AlanS's picture

Not sure about this

It isn't doing much to propagate itself, no soredia, no apothecia.

It certainly could be P. cinerea, but I cannot rule out P. aipolia.

No substrate information provided, but as P. aipolia is usually on trees but sometimes on sheltered walls, and P. cinerea is usually on walls and rock but sometimes on dust-impregnated tree trunks, it wouldn't be definitive anyway.

Put it down as an immature Physcia.

Alan

synan's picture

Thanks

Thanks, as always, for your invaluable comments. That's the second immature lichen I've posted. I'll try to remember the substrate info next time (it was a wall in this case).

Is cinerea a synonym for caesia?

Nigel

AlanS's picture

cinerea

"Is cinerea a synonym for caesia?"

No, it's a b____ stupid typo for caesia.

Checks time of posting, concludes insufficient coffee intake.

Sorry about that.

Alan

btw, I think caesia is indeed most likely, but without soredia it's iffy.