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Lichen islandicus L. (1753) Cetraria islandica , also known as true Iceland lichen [ 1 ] or Iceland moss , is an Arctic-alpine lichen whose erect or upright, leaflike habit gives it the appearance of a moss , where its name likely comes from.
Lichen products are chemical compounds produced by lichens. Pages in category "Lichen products" The following 44 pages are in this category, out of 44 total. ...
Lichenin, also known as lichenan or moss starch, is a complex glucan occurring in certain species of lichens. It can be extracted from Cetraria islandica ( Iceland moss ). [ 1 ] It has been studied since about 1957.
Cetraria arenaria, commonly known as the sand-loving Iceland lichen, [1] is a species of terricolous (ground-dwelling), fruticose lichen in the family Parmeliaceae. It was formally described as a new species in 1977 by the Norwegian lichenologist Ingvar Kärnefelt .
Cladonia islandica is a species of fruticose lichen in the family Cladoniaceae. [1] It is endemic to Iceland, where it grows on moss-covered rocks and stone walls.The lichen was described as a new species in 2009 by Hördur Kristinsson and Teuvo Ahti.
Cetraria is a genus of fruticose lichens that associate with green algae as photobionts.Most species are found at high latitudes, occurring on sand or heath, and are characterised by their "strap-like" form with spiny lobe edges.
An example is "reindeer moss", which is a lichen, not a moss. [16] There are only two species of known permanently submerged lichens; Hydrothyria venosa is found in fresh water environments, and Verrucaria serpuloides is found in marine environments. [137] A crustose lichen that grows on rock is called a saxicolous lichen.
With the exception of calicioid lichens, lichen growth forms are based on the appearance of the thallus, which is the vegetative (non-reproductive) part of the lichen. [5] In most species, this form is determined by the lichen's fungal partner, though in a small number, it is instead the alga or cyanobacteria (the lichen's photosynthetic ...