Englishfor English speakers
sphagnum
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noun
any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat
lichen
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noun
any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc
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noun
any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks