Apple moss
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The apple mosses ( Bartramia ) are a genus of deciduous mosses from the Bartramiaceae family . It is named after John Bartram , an American botanist (1699–1777).
features
The mosses form loose to dense, often bluish green cushions. The plants can be up to 15 centimeters tall, are usually forked and rhizoid-tomentose below. The mostly long, narrow leaves, sawn at the edge, often have a half-sheathed to sheathed base. The leaf cells are rectangular to linear in the lower leaf area, thin-walled and smooth, in the upper part rectangular to square, thick-walled and nipple-like. As with the other mosses of the Bartramiaceae family , the spore capsules are rounded (called apple moss).
distribution
The genus is cosmopolitan, but mainly in the tropics.
species
The information about the worldwide number of species varies depending on the source from 60 to about 150. According to Frey-Fischer-Stech, 60 species are counted in the genus. European species are:
- Bartramia halleriana , Haller's apple moss
- Bartramia ithyphylla , Straffblättriges Apple Moss
- Bartramia pomiformis , real apple moss
- Bartramia stricta
- Bartramia subulata
literature
- Jan-Peter Frahm , Wolfgang Frey : Moosflora (= UTB . 1250). 4th, revised and expanded edition. Ulmer, Stuttgart 2004, ISBN 3-8252-1250-5 .
- Wolfgang Frey, Michael Stech, Eberhard Fischer: Bryophytes and Seedless Vascular Plants (= Syllabus of Plant Families. 3). 13th edition. Borntraeger, Berlin et al. 2009, ISBN 978-3-443-01063-8
- Martin Nebel, Georg Philippi (ed.): The mosses of Baden-Württemberg. Volume 2: Special part, (Bryophytina II, Schistostegales to Hypnobryales). Ulmer, Stuttgart 2001, ISBN 3-8001-3530-2 .
