Observation 160933: Placynthium nigrum (Hudson) Gray
When: 2014-02-22
Who: zaca
No herbarium specimen

Notes: Growing on calcareous rock.

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Dear synan,
By: zaca
2014-03-23 12:07:44 PDT (-0700)

Thanks for you comment. That was an intriguing point for me since I saw the photos. I believe you are right and I already gave a look to
http://www.lichens.lastdragon.org/...
where some photos are displayed retracting such occurence.

Toninia verrucarioides
By: synan (synan)
2014-03-23 11:50:13 PDT (-0700)

The second photo appears to feature the green squamules of Toninia verrucarioides, often found on Placynthium nigrum.

Created: 2014-03-08 15:58:19 PST (-0800)
Last modified: 2014-03-23 11:47:19 PDT (-0700)
Viewed: 36 times, last viewed: 2017-07-03 00:43:00 PDT (-0700)
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