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|Noun||1.||division Lichenes - comprising the lichens which grow symbiotically with algae; sometimes treated as an independent group more or less coordinate with algae and fungi|
division - (botany) taxonomic unit of plants corresponding to a phylum
Lichenales, order Lichenales - category used especially in former classifications for organisms now constituting the division Lichenes
Lechanorales, order Lechanorales - category used in some classification systems for all lichens that produce apothecia
family Usneaceae, Usneaceae - fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria
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