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Arenaria ursina : ウィキペディア英語版 | Arenaria ursina
''Arenaria ursina'' is a species of flowering plant in the pink family known by the common name Bear Valley sandwort. ==Distribution== It is endemic to San Bernardino County, California, where it is known from a few occurrences in the vicinity of Big Bear. It grows on quartzite pebble plain habitat in forest openings in the San Bernardino Mountains near the communities of Fawnskin, Sugarloaf, and Baldwin Lake.〔USFWS. (Bear Valley Sandwort (''Arenaria ursina''): 5-Year Review - Summary and Evaluation ). March 2008.〕 It is an indicator species for the rare pebble plain habitat, which is unique to the area.〔Beattie, M. H. (Endangered and Threatened Wildlife and Plants; Proposed Endangered or Threatened Status for Seven Plants From the Mountains of Southern California ). US Fish & Wildlife Service. August 2, 1995.〕 It is a federally listed threatened species.
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「Arenaria ursina」の詳細全文を読む
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