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Polytrichum commune

Posted by
Johan Dierckx (Wijnegem, Belgium) on 4 April 2013 in Plant & Nature and Portfolio.

Polytrichum commune (Syn: Polytrichum uliginosum) (NL: Gewoon haarmos / EN: Common Haircap / DE: Goldenes Frauenhaarmoos / FR: Polytrichum commune) can be found in a wide range of damp, acidic habitats, tolerating shade and moderate amounts of pollution and nutrient enrichment. The species is well-grown, large and hummocks or turfs of this species are unmistakable. They consist of tough, wiry shoots up to 40 cm long (usually about 20 cm). When moist, the 8–12 mm long, narrowly spearhead-shaped leaves spread or strongly curve away from the stem, with a glossy sheathing base, giving a starry appearance viewed from above. When dry, the margins become inrolled, wavy and gently twist around the stems. The margins are sharply toothed and the broad nerve is covered with up to 70 ridges of tissue. The leaves surrounding the base of the seta are longly tapering and toothed above. The 4-angled, box-like capsule, produced in summer, is borne on a long (to 12 cm), reddish seta. It is erect when young, becoming inclined to horizontal with age; its lid is shortly beaked. The young capsule is covered by a long, golden brown, hairy calyptra.
In this image the capusles are still young and the moss is rather dry.

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

Canon EOS 7D 1/125 second F/5.6 ISO 200 150 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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Ana Lúcia from Leiria, Portugal

Splendid macro shot, excellent work.

4 Apr 2013 8:41pm

Josep from Barcelona, Spain

Beautiful and colorful shot. Great exercise with DOF. You got a wonderful pattern there.

4 Apr 2013 9:24pm

Canon EOS 7D
1/125 second
ISO 200
150 mm