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Project Noah Nature School
Physconia distorta
Folioise lichen with palmate lobes, green when wet and brown-grey when dry. The lobe ends are covered by a powdery white dust (white pruinose). Often with small lobules in centre of thallus. Under-surface is whitish at the tips and black in centre with black 'bottle-brush rhizines. It has pseudocyphellae, while isidia and soralia are absent. The apothecia are frequent, brown with coarse pruina and with a thick, sometimes lobate, margin. Pycnidia are frequent.
On the bark of a Holm oak in mediterranean forest at Parque Nacional de Monfragüe
Camera Model: NIKON D300. Exposure Time: 1/280 sec. f/6.3 ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired
Spotted on Apr 1, 2012
Submitted on May 2, 2012
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