genus Usnea


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Related to genus Usnea: Usnea barbata, Usnea species
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Noun1.genus Usnea - widely distributed lichens usually having a greyish or yellow pendulous freely branched thallusgenus Usnea - widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus
fungus genus - includes lichen genera
family Usneaceae, Usneaceae - fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria
beard lichen, beard moss, Usnea barbata - greenish grey pendulous lichen growing on trees
References in periodicals archive ?
Notes on the genus Usnea (lichenized Ascomycota, Parmeliaceae) IV.
The lichen genus Usnea (Parmeliaceae) in tropical South America: species with a pigmented medulla, reacting C+ yellow.