Observation 86033: Lichen P. Micheli

When: 2011-12-25

Collection location: Serra de São Mamede, Portugal [Click for map]

Who: zaca

No specimen available

Very strange structures in the thallus of a crustose lichen.

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RE: Diploschistes ?
By: zaca
2012-03-01 17:25:31 CST (-0600)

Yes, Antonio, this is the thallus of a Diploschistes. However, the emphasis here are the other structures in the thallus. Do you know what they are? At that place thare are a lot of crustose lichen with similar things on it (see MO79098 and MO79099 for other examples). Thanks.

Diploschistes ?
By: Anto (Antonio Valero)
2012-02-29 18:46:49 CST (-0600)

Diploschistes ?


Maybe these structures …
By: zaca
2012-01-10 15:08:52 CST (-0600)

don’t make part of the lichen, since there are similar ones in different thallus (see MO78984 and MO79099 for other examples of lichens from the same place). I’ve tried to analyze one under the microscope but I saw nothing strange, i.e. it seemed a regular crustose thallus.

Odd structures
By: Jason Hollinger (jason)
2012-01-10 01:22:14 CST (-0600)

Do you think the blackened spots are associated with the lichen? Could be some sort of parasite maybe? The underlying crust has coarse pustules breaking down into schizidia of some sort. Aspicilia simoensis is a bit like this but the chemistry is all wrong. I wonder if any Ochrolechia have pustules instead of soredia or isidia.

Created: 2012-01-09 16:34:09 CST (-0600)
Last modified: 2012-01-09 16:34:12 CST (-0600)
Viewed: 42 times, last viewed: 2017-06-10 07:25:36 CDT (-0500)
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