NS4276 : A lichen - Parmelia ernstiae

taken 13 years ago, near to Bellsmyre, West Dunbartonshire, Great Britain

A lichen - Parmelia ernstiae
A lichen - Parmelia ernstiae
In most respects, this lichen resembles NS3678 : A lichen - Parmelia saxatilis, but is rarer; like P. saxatilis, it has a network of pale lines on its lobes, and isidia (see the item just cited) are present. However, the centre of this lichen is densely covered in small lobules, a distinctive feature of this species.

The tree on which this lichen is growing supported a much richer flora than its near neighbour. In a given area, the number of lichen species found on a tree depends to a large extent on the texture of its bark; most species are better able to establish themselves on rough bark (although there are a few species that favour a smooth surface). Another important factor is the pH of the bark, which can vary greatly between different tree species.
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NS4276, 214 images   (more nearby search)
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Date Taken
Tuesday, 17 March, 2009   (more nearby)
Saturday, 21 March, 2009
Geographical Context
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Lichens and mosses   (more nearby)
Subject Location
OSGB36: geotagged! NS 4269 7669 [10m precision]
WGS84: 55:57.4435N 4:31.2797W
Camera Location
OSGB36: geotagged! NS 4269 7669
View Direction
EAST (about 90 degrees)
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