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The dried plant, Cetraria islandica (family Parmeliaceae), a lichen, not a moss, used as a demulcent and as a folk remedy for bronchitis.
Synonym(s): Iceland moss
[L. caetra, a short Spanish shield (from shape of the apothecia)]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Cetraria islandica (L.) Ach.--10: MR (MA-Lich 16397), SM (MA-Lich 16357), Sue.
Immunologically active (1 [right arrow] 3)-(1 [right arrow] 4)-[alpha]-D-glucan from Cetraria islandica.
Cetraria crespoae (Barreno & Vazquez) Karnefelt--H: Fos (1998).
Although feather mosses were the dominant cover within the tree island, Cetraria nivalis and Cladina spp.
Orthodicranum flagellare 47.4 Orthodicranum quadrilobus Philonotis fontana Bryophytes Pleurocarpous mosses (unidentified spp.) Pohlia nutans Ptilidium pulcherrimum 44.7 Ptilidium ciliare Tomenthypnum nitens 63.2 18.4 Lichens Cetraria cucullata 5.3 Cetraria ericetorum Cetraria islandica 7.9 Cetraria nivalis 42.1 Cetraria tilesii Cetraria sp.
Extreme phenotypic variation in Cetraria aculeata (lichenized Ascomycota): adaptation or incidental modification?
Non-vascular Herbaceous Negative Effects Cetraria nivalis (1) Eriophorum vaginatum (2) Cladina arbuscula (7, 8) Oxytropis nigrescens (8) Cladina stellaris (1, 3, 5, 6) Pedicularis sudetica (8) Cladina mitis (1) Rubus chamaemorus (3) Cladina rangiferina (1) Solidago macrophylla (3) Stereocaulon paschale (1) Sphagnum sp.
lobaric acid (1), a [beta]-orcinol depsidone from Stereocaulon alpinum L., (+)-protolichesterinic acid (2), an aliphatic [alpha]-methylene-[gamma]-lactone from Cetraria islandica Laur.
Ranges of lichens (Cladonia and Cetraria genera) form one of the most important natural winter pasture resources for wild and semidomesticated reindeer (Rangifer tarandus) (Alaruikka, 1964; Skuncke, 1969; Skogland, 1975; Andreyev, 1977).
Material from Burgos was found on algal films on soil overgrowing unidentified Cladonia mats in Quercus rotundifolia forest; other lichen species members also of the this terricolous community were Cetraria aculeata, Cladonia convoluta, Diploschistes diacapsis, Toninia sedifolia and Xanthoparmelia pseudohungarica.
Ingolfsdottir K, Jurcic K, Fischer B, Wagner H (1994) Immunomodulatory active polysaccharide from Cetraria islandica.