Didymodon ferrugineus
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Didymodon ferrugineus |
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| ( Schimp. Ex Besch. ) MOHill |
Didymodon ferrugineus ( Back Curved double toothed Moss ) is a moss -Art from the family pottiaceae . A common synonym is Barbula reflexa (Brid.) Brid.
features
The moss forms loose, brown-green to often red-brown lawns. The little branched stems are up to 3 centimeters in size and have a central strand in cross section. The leaves are up to 2 millimeters long, gradually tapering from an egg-shaped base, with entire margins and keeled, with a strong rib that extends to the tip of the leaf. When wet, the leaves are strongly curved back into a sickle shape. The leaf margins are bent back in the lower half of the leaf. The leaf cells are thick-walled, in the upper part of the leaf round, square and papilose, on the leaf base square to short rectangular. The top of the rib has narrow, elongated cells.
The diocesan way is very rarely fruitful. The red seta is 1 centimeter long, the elongated egg-shaped to cylindrical, upright capsule has 16 thread-shaped and twisted peristome teeth , the lid is long beaked, the spores are smooth and 7 to 10 µm in size.
Distribution and location requirements
Didymodon ferrugineus occurs in Europe in parts of Asia, in North and Central America and in North Africa. In Central Europe, the moss is fairly widespread in the limestone regions of the mountains, in the Alps it rises to the alpine level. It grows on stony soils, on rocks and walls in light to partially shaded, fresh to moist locations.
literature
- Jan-Peter Frahm , Wolfgang Frey : Moosflora (= UTB . 1250). 4th, revised and expanded edition. Ulmer, Stuttgart 2004, ISBN 3-8252-1250-5 .
- Martin Nebel, Georg Philippi (ed.): The mosses of Baden-Württemberg. Volume 1: General part, special part (Bryophytina I, Andreaeales to Funariales). Ulmer, Stuttgart 2000, ISBN 3-8001-3527-2 .
