How are vestibular disorders diagnosed? The inner earâs vestibular organs and the associated nerves and brain centers form a complex system that serves many functions and can be affected by a number of outside systems. A thorough evaluation of the inner ear may therefore require several different kinds of tests.
Birch and tea-leaved willow are the main species of tree found in Icelandic woodlands and shrublands. Birch is the only species of tree to form continuous natural woodlands in Iceland, although the occasional rowan or aspen can be found growing in among the birch trees. Mosses and lichens often abound in forests, both as undergrowth and epiphytes growing on trees.
Trees in Iceland. Iceland used to be known around the world as the land with no trees, but thanks to the increased flow of tourists and Icelanders collectively saying âHey, that's not exactly fairâ, most people now know that we do in fact have trees. Reputations, though, are not gained for nothing and Iceland does indeed have fewer trees than many other countries.