The Nordic Stripe Fern

The Nordic stripe fern (Asplenium Sept. trio regional) is a rare fern in the family line fern (Aspleniaceae). The plant is found in rocky, poor calcium and sunny places. In Belgium, the Netherlands and rare species that is very rare.

The Nordic stripe sailing is a perennial plant. The whole looks like a gray-green, tangled mass of narrow, forked leaves, stems and dark brown spores, which usually depend on the rocks and to a few decimetres long.

The dark green to gray-green leaves are fork-shaped branched into narrow, wedge-shaped lobes up to 20 cm long and only a few millimeters wide. The top of the panties could again toothed or deeply incised are. The stem is short and dark.

The spore cases are in narrow elongated piles on the underside of the leaf segments. At full maturity, it seems the whole plant covered. The spores are ripe from July to October.

The Nordic stripe sail for what is his preferred habitat of the show in line with most other ferns. The plant prefers rocky limestone places silicaatrijke and poor (eg granite or schist) in full sunlight. The species is often found on old walls like vines, garden walls and quay walls.

The Nordic sail stripe occurs worldwide in temperate regions of the Northern Hemisphere, North America through Europe to Central Asia. The plant is preferably in mountainous regions for.

In Belgium, the plant is rare or very rare in Wallonia and in several places in Flanders. In the Netherlands the species found only a few times, including in Rotterdam, Maastricht and Zwolle.

The northern line is unmistakably sail. Because of his unusual appearance and differential habitat selection, he is often not even recognized as a sail.

The Nordic stripe sailing on the Flemish Red List (plant) are listed as "endangered."



Source: http://nl.wikipedia.org/wiki/Noordse_streepvaren


See also: International Flower Delivery, Florist