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28-02-2026 15:52

Spooren Marco Spooren Marco

Who has an idea ? I have no coupes made for conid

27-02-2026 17:51

Michel Hairaud Michel Hairaud

Bonjour, Quelqu'un peut il me donner un conseil p

28-02-2026 14:43

Alain GARDIENNET Alain GARDIENNET

A new refrence desired :Svanidze, T.V. (1984) Novy

28-02-2026 11:54

Alain GARDIENNET Alain GARDIENNET

Hi forum,Is anyone aware if the 1936 edition of Si

28-02-2026 11:05

Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

29-11-2024 21:47

Yanick BOULANGER

BonjourJ'avais un deuxième échantillon moins mat

27-02-2026 16:17

Mathias Hass Mathias Hass

Hi, Found this on Betula, rather fresh fallen twi

27-02-2026 12:56

Åge Oterhals

Found on fallen cones of Pinus sylvestris in midle

27-02-2026 11:21

Yannick Mourgues Yannick Mourgues

Hi to all. Here is a specie that can may be relat

26-02-2026 22:06

Malcolm  Greaves Malcolm Greaves

Can someone explain the features that split Geoscy

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Deepened stone - lichen
Cvenkel Miran, 10-10-2015 20:19
see deep round craters, flat bottom, like 1 mm or less deep, in stone.
http://agrozoo.net/jsp/Galery_one_image.jsp?id_galery_obfuscated=ac0d8291a0a24bc6b6ef4a9e1b6129c0

same thing but crater not visible as good as on upper link
http://agrozoo.net/jsp/Galery_one_image.jsp?id_galery_obfuscated=b1a5a9dc17534d7ba80ae302df51004c

The only thing that comes to mind, that could made this craters is lichen ? Which ?

The fruiting bodies there, in craters, could be secondary thing, I think.
Javier Etayo, 11-10-2015 08:56
Re : Deepened stone - lichen
Those are lichens. Photos of spores at least are neccesary to put a name because several calcicolous lichens have similar habit.
Cvenkel Miran, 27-10-2015 20:10
Re : Deepened stone - lichen
encountered: photo
see second image. It appears to me that this might be round deepened area (or not ?) just like on my photos.