NS3679 : A lichen - Rhizocarpon petraeum

near to Renton, West Dunbartonshire, Great Britain

A lichen - Rhizocarpon petraeum
A lichen - Rhizocarpon petraeum
In older books, this may be listed under the synonym Rhizocarpon concentricum, a name that well describes its appearance. The concentric pattern is formed by many black dots arranged in rings; these individual dots are the spore-producing discs (apothecia).

This lichen was growing on rocks in the northern half of a disused quarry: NS3678 : Carman Quarry. Compare another member of this genus which presents a very different appearance: NS3779 : The "Map Lichen" - Rhizocarpon geographicum.
Creative Commons Licence [Some Rights Reserved]   © Copyright Lairich Rig and licensed for reuse under this Creative Commons Licence.
year taken
2007
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NS3679, 34 images   (more nearby)
Photographer
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Image classification?
Supplemental image
Date Taken
Friday, 23 November, 2007   (more nearby)
Submitted
Saturday, 8 November, 2008
Geographical Context
Grassland 
Image Buckets ?
Closeup  Life 
Near (from Tags)
Carman Muir 
Category
Lichens and mosses   (more nearby)
Subject Location
OSGB36: geotagged! NS 3693 7903 [10m precision]
WGS84: 55:58.5884N 4:36.8941W
Photographer Location
OSGB36: geotagged! NS 3693 7903
View Direction
NORTH (about 0 degrees)
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Lichen 

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