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Graphis cf. scripta
Crustose lichen. Very variable. It has a thin, smooth, pale crust with prominent, long, very narrow, curved, often forked apothecia (lirellae), with a grey hymenium and raised, black, unfurrowed margins. Very similar to G. elegans. Widespread and often common on smooth bark. Generally the commonest of a group of very similar species, including species of Graphina and Phaeographis, that require microscopic examination for certain identification. Sometimes parasitised by Stigmidium microspilum Common of the soft bark of deciduous trees
Spotted on the soft bark of a common alder. Riverine river. Reserva de la Biosfera del Rio Eo.
Camera Model: NIKON D300. Exposure Time: 1/60 sec.; f/11; ISO Speed Rating: 200. Exposure Bias: 0 EV. Focal Length: 90.0 mm. Flash fired
Spotted on Aug 26, 2016
Submitted on Mar 21, 2017
1 Comment
Two, very pretty photos....