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
© Johan Dierckx
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