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Normandina pulchella

Posted by
Johan Dierckx (Wijnegem, Belgium) on 3 April 2013 in Plant & Nature and Portfolio.

Normandina pulchella (NL: Hamsteroortje) is a species of lichen. The squamules that make up the thallus are like tiny plates turned up at the edge to form a rim; the edge is paler than the rest of the structure. Each squamule is just 1 mm to 2.5 mm wide and grey-green in colour. The internal flat part of the squamules often show concentric ridges or rings. Soredia may be sprinkled across squamules (including up on to the turned up edge) giving it a pruinose texture. The underside of the squamules is pale in colour. The photobiont is the green unicellular algae Trebouxia.

Image: Malle (BE) - 26/03/2013

Canon EOS 7D 2 seconds F/22.0 ISO 200 300 mm

© Johan Dierckx

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All species are photographed in their natural habitat, without cutting or capturing them, and with maximal respect and the least possible disturbance to the environment.

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Josep from Barcelona, Spain

Perfect exposure for this scene: beautiful range of tonalities and colors. With that aperture, i suppose you chose to use a shallow DOF by using that long focal length. Excellent presentation.

3 Apr 2013 9:46pm

Canon EOS 7D
2 seconds
F/22.0
ISO 200
300 mm

fungi
ascomycota
eurotiomycetes
verrucariales
verrucariaceae
normandina
be