Observation 177214: Lichen P. Micheli

When: 2014-04-20

Collection location: Planalto das Cezaredas, Portugal [Click for map]

Who: zaca

No specimen available

Growing on rocky soil.
All chemical reactions negative.
Only two asci found with 8 spores (see attached photo); Measuring some spores within the asci I got values in the ranges 20 – 25 × 9.5 – 10.5 um; all the other asci were empty or in the process of formation of the spores, some very big e.g. 145 × 30 um. The reaction of the hymenium was I-.


Microscopy: Hymenium and algal layer;
Microscopy: Asci and spores.

Proposed Names

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Recognized by sight
29% (1)
Recognized by sight

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Add Comment
I never look …
By: zaca
2014-09-07 12:17:07 PDT (-0700)

at this as a Pertusaria and for sure is not. My first thought was Thelocarpon, but the species in this genus have very small spores. As I told already, this was “one of those days”.

Sure looks like Pertusaria but not with spores that small
By: Jason Hollinger (jason)
2014-09-07 11:42:13 PDT (-0700)