NS3680 : A lichen - Graphis scripta

3 km from Alexandria, West Dunbartonshire, Great Britain

A lichen - Graphis scripta
A lichen - Graphis scripta
This is one of the lirellate lichens, so called because the fruiting bodies, which are disc-shaped in many lichen species, are elongated instead into slit-like openings called lirellae, which may be linear or branched, depending on species.

Graphis scripta is very common on smooth-barked trees. Trees with rough bark are often host to a greater number of lichen species, since their surface texture provides better opportunities for lichens to become established. However, certain lichen species, such as this one, require a smooth surface.

In G. scripta, each lirella is bounded by a single raised black margin; the similar G. elegans has a furrowed margin. (In order to make an identification, such details must be checked at the time, with a hand-lens; they are too small to be discerned later on photographs.)
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NS3680, 36 images   (more nearby)
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Image classification?
Supplemental image
Date Taken
Friday, 1 May, 2009   (more nearby)
Saturday, 2 May, 2009
Geographical Context
Woodland, Forest 
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Closeup  Life 
Lichens and mosses   (more nearby)
Subject Location
OSGB36: geotagged! NS 3636 8009 [10m precision]
WGS84: 55:59.1476N 4:37.4802W
Photographer Location
OSGB36: geotagged! NS 3636 8009
View Direction
Northwest (about 315 degrees)
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