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Loreleia
''Loreleia'' is a genus of brightly colored agarics in the Hymenochaetales that have an omphalinoid morphology. They inhabit mosses and or liverworts on soil in temperate regions of the Northern Hemisphere. Phylogenetically related agarics are in the genera ''Contumyces'', ''Gyroflexus'', ''Rickenella'', ''Cantharellopsis'' and ''Blasiphalia'', as well as the stipitate-stereoid genera ''Muscinupta'' and ''Cotylidia'' and the clavaroid genus, ''Alloclavaria''.〔 However, the large number of DNA base-pair changes causes a long-branch to form in phylogenetic analyses depicted as cladograms.
In the field, to the eye, ''Loreleia'' is most similar to ''Rickenella'' because of the orangish colors and omphalinoid shape, but microscopically it differs by the absence of cystidia that in ''Rickenella'' make the latter minutely fuzzy as seen with a hand lens. ''Loreleia'' penetrates the rhizoids of liverworts and may form a type of symbiosis with them, but in axenic culture tests, ''L. marchantiae'' killed ''Marchantia polymorpha'' when directly inoculated in contrast to the absence of necrosis in nature ''in situ''. In nature ''Loreleia'' often occur in wet areas such as seepages with their hosts, ''Marchantia''.
Older literature often treats the species, like ''L. postii'' and ''L. marchantiae'', in the genera ''Omphalina'' or ''Gerronema''.
==Etymology==
''Loreleia'' was named after the contemporary American mycologist, Dr. Lorelei L. Norvell, who studied omphalinoid agarics, and who apropos was in turn named after the riverine Lorelei of folklore.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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