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''Lecidea'' is a genus of curstose lichens with a carbon black ring or outer margin (exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic) rock.〔Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2〕 Lichens that have such a black exciple are called lecideine, meaning "like ''Lecidea'', even if they are not in this genus.〔 Members of the genus are commonly called disk lichens or tile lichens.〔 ==Selected species== According to the ''Dictionary of the Fungi'' (10th edition, 2008), the widespread genus contains an estimated 427 species.〔 * ''L. atrobrunnea'' * ''L. Brodoana'' * ''L. fuscoatra'' * ''Lecidea hassei'' * ''L. laboriosa'' * ''L. plana'' * ''L. tessellata'' 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Lecidea」の詳細全文を読む スポンサード リンク
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