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''Roccella tinctoria'' is a species of fungus in the genus ''Roccella'', homotypic synonym of ''Lecanora tinctoria'' (DC.) Czerwiak., 1849. It was first described by Augustin Pyramus de Candolle in 1805. It has the following varieties: * ''R. t.'' var. ''portentosa'' * ''R. t.'' var. ''subpodicellata'' * ''R. t.'' var. ''tinctoria'' and formae: * ''R. t.'' f. ''complanata'' * ''R. t.'' f. ''tinctoria'' == Uses == It is used to make litmus, a mixture of several organic compounds. Orcinol, a natural phenolic organic compound, occurs in many species of lichens〔Robiquet: „Essai analytique des lichens de l’orseille“, ''Annales de chimie et de physique'', 1829, ''42'', p. 236–257.〕 including ''R. tinctoria''. 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「Roccella tinctoria」の詳細全文を読む スポンサード リンク
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