2007

NS3679 : A lichen - Rhizocarpon petraeum

taken 17 years ago, near to Renton, West Dunbartonshire, Scotland

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.

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Geographical Context: Grassland Image Buckets ?: Closeup Life Near: Carman Muir Category: Lichens and mosses other tags: Lichen Click a tag, to view other nearby images.
This photo is linked from: Articles: · FUNGI ON GEOGRAPH and some notes about fungi Automatic Clusters: · Lichen [3] · Discs [2] Other Photos: · Lichens on a boulder in a disused quarry · A lichen: Rhizocarpon oederi ·
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NS3679, 44 images   (more nearby 🔍)
Photographer
Lairich Rig   (more nearby)
Date Taken
Friday, 23 November, 2007   (more nearby)
Submitted
Saturday, 8 November, 2008
Subject Location
OSGB36: geotagged! NS 3693 7903 [10m precision]
WGS84: 55:58.5884N 4:36.8941W
Camera Location
OSGB36: geotagged! NS 3693 7903
View Direction
NORTH (about 0 degrees)
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Image classification(about): Supplemental image
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