Observation 75855: Lichen P. Micheli
When: 2011-08-27
Who: Byrain
No herbarium specimen

Notes: Found on a rock used as a decoration for a fountain, its sharing a rock with the first specimen from obs – 75379 and has really cool rhizomorph-like patterns forming around them in the rock. I didn’t manage to produce any useful chemistry photos, I am not sure I even got a reaction.

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Comments

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Prothalli seem to be common in tropical lichens
By: Jason Hollinger (jason)
2011-09-09 14:33:12 CDT (-0400)

See Coenogonium, Cryptothecia, Herpothallon, for example. Also Lecanora thysanophora is a classic example. Notice that the thallus is broken up into little round tiles; Ochrolechia or Pertusaria are always continuous.

To my experience,
By: zaca
2011-09-09 13:47:35 CDT (-0400)

the “rhizomorph-like patterns forming around them in the rock”, as Byrain said, can be found in Pertusaria and Ochrolechia (see, for example, MO66883 and MO73225). Maybe this lichen belong to one of them.

It certainly is
By: Byrain
2011-09-09 12:46:45 CDT (-0400)

Next year I hope to go back more prepared to collect and work on lichens, hopefully this one along with many of the others won’t hide before then.

Beautiful and mysterious
By: Jason Hollinger (jason)
2011-09-09 03:55:53 CDT (-0400)

I would need spores and apothecial details before even knowing where to start…

Created: 2011-09-09 02:01:56 CDT (-0400)
Last modified: 2011-09-09 02:02:58 CDT (-0400)
Viewed: 35 times, last viewed: 2016-03-30 19:28:31 CDT (-0400)
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