"any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks"@en-us . . . "113421926"@en-us . "0.0"^^ . . "0.0"^^ . "14229403-n"^^ . "0.0"^^ . . "114229403"^^ . . . "0"^^ . . "lichen"@en-us . "lichen"^^ . "0.0"^^ . "0.0"^^ . . "0.0"^^ . . "1.0"^^ . "0.0"^^ . . "0.5"^^ .