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Orcuttia californica : ウィキペディア英語版 | Orcuttia californica
''Orcuttia californica'' is a rare species of grass known by the common name California Orcutt grass. ==Distribution== It is native to southern California and northern Baja California, where it grows in scattered locations in vernal pool habitat. In 1993 it was known from fewer than 20 occurrences, including those at the Santa Rosa Plateau, a creek drainage near Hemet, Otay Mesa in San Diego County, and one spot in Woodland Hills. ''Orcuttia californica'' is a federally listed endangered species, and its existence is still threatened by the disappearance of vernal pools in the region, a naturally rare habitat type that has been reduced further by urban development.〔USFWS. (Determination of endangered status for three vernal pool plants and the Riverside fairy shrimp ). ''Federal Register'' August 3, 1993.〕
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「Orcuttia californica」の詳細全文を読む
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