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Barbeyella minutissima
''Barbeyella minutissima'' is a slime mould species of the order Echinosteliales, and the only species of the genus ''Barbeyella''. First described in 1914 from the Jura mountains, its habitat is restricted to montane spruce and spruce-fir forests of the Northern Hemisphere, where it has been recorded from Asia, Europe, and North America. It typically colonises slimy, algae-covered logs that have lost their bark and have been partially to completely covered by liverworts. The sporangia are roughly spherical, up to 0.2 mm in diameter, and supported by a thin stalk up to 0.7 mm tall. After the spores have developed, the walls of the sporangia split open into lobes. The species is one of the smallest members of the Myxogastria and is considered rare.
==Taxonomy and classification==
The species was first described in 1914 by Charles Meylan on the basis of a collection made at an altitude of from the Swiss Jura in September the year before. Meylan thought the species warranted a new genus based on the unique mode of dehiscence and the makeup of the capillitium.〔 The genus was named for the Swiss botanist William Barbey (1842–1914).〔 It and the genus ''Clastoderma'' together make up the family Clastodermataceae.〔 Studies of the ultrastructure of the sporocarps suggests that ''Barbeyella'' occupies a systematic position intermediate between Echinosteliales and the Stemonitales.〔
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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