lichen : Idioms & Phrases


beard lichen

  • noun greenish grey pendulous lichen growing on trees
    Usnea barbata; beard moss.
WordNet

Dog lichen

  • (Bot.), a kind of lichen (Peltigera canina) growing on earth, rocks, and tree trunks, a lobed expansion, dingy green above and whitish with fuscous veins beneath.
Webster 1913

horsehair lichen

  • noun any of several lichens of the genus Alectoria having a thallus consisting of filaments resembling hair
    horsehair lichen.
WordNet

horsetail lichen

  • noun any of several lichens of the genus Alectoria having a thallus consisting of filaments resembling hair
    horsehair lichen.
WordNet

iceland lichen

  • noun lichen with branched flattened partly erect thallus that grows in mountainous and Arctic regions; used as a medicine or food for humans and livestock; a source of glycerol
    Cetraria islandica; Iceland moss.
WordNet

lichen planus

  • noun an eruption of shiny flat-topped purplish (usually itchy) papules on the wrist and forearms and thighs
    lichen planus.
WordNet

lichen ruber planus

  • noun an eruption of shiny flat-topped purplish (usually itchy) papules on the wrist and forearms and thighs
    lichen planus.
WordNet

Lung lichen

  • (Bot.), tree lungwort. See under Lungwort.
Webster 1913

manna lichen

  • noun any of several Old World partially crustaceous or shrubby lecanoras that roll up and are blown about over African and Arabian deserts and used as food by people and animals
WordNet

Map lichen

  • (Bot.), a lichen (Lecidea geographica.) growing on stones in curious maplike figures.
Webster 1913

reindeer lichen

  • noun an erect greyish branching lichen of Arctic and even some north temperate regions constituting the chief food for reindeer and caribou and sometimes being eaten by humans
    reindeer moss; Cladonia rangiferina; arctic moss.
WordNet