Observation 165412: Lichen P. Micheli

When: 2014-05-16

Collection location: Braga, Portugal [Click for map]

Who: Elsa (pinknailsgirl)

No specimen available


Proposed Names

57% (1)
Recognized by sight

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= Observer’s choice
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Yes, rock rules out Dibaeis baeomyces
By: Jason Hollinger (jason)
2014-05-17 22:01:36 CDT (-0400)

It was only a thought… Good luck!

Doesn’t seem like Dibaeis baeomyces.,
By: zaca
2014-05-17 20:37:04 CDT (-0400)

though I never found this species and it doesn’t appear in any portuguese cheklist (mainland, Madeira and Azores). I don´t know what it could be.

On other hand
By: Elsa (pinknailsgirl)
2014-05-17 20:13:31 CDT (-0400)

I was tending to Trapelia, and since D. baeomyces would grow on soil and these are on stone, Trapelia sounds a more reasonable guess. The only problem is that I only find a similar photo or two (without pinkish shade) and with a interrogation mark (“Trapelia placodiodes?”) http://www.stridvall.se/lichens/gallery/Trapelia/NIKB1041

Trapelia placodiodes – www.irishlichens.ie/pages-lichen/l-340.html

By: Jason Hollinger (jason)
2014-05-17 18:48:02 CDT (-0400)

If it really is _Dibaeis baeomyces, it should have baeomyceic, squamatic, and barbatic acids: K+y, C-, KC-?, UV+ white, P? Could help confirm or refute the hypothesis at least…

Bravo Jason, it could be, I was a little lost :)
By: Elsa (pinknailsgirl)
2014-05-17 18:12:39 CDT (-0400)

I think we have, though I haven’t find it yet, but Zaca would know better about this.

Probably not but…
By: Jason Hollinger (jason)
2014-05-17 17:57:21 CDT (-0400)

This looks a little like the sterile form of Dibaeis baeomyces. Do you have that species over there?

Created: 2014-05-17 14:10:37 CDT (-0400)
Last modified: 2014-05-17 14:10:45 CDT (-0400)
Viewed: 33 times, last viewed: 2019-07-13 07:10:38 CDT (-0400)
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