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''Nolina cismontana'', the chaparral beargrass, chaparral nolina, California beargrass, Peninsular beargrass, or peninsular nolina, is a rare species of flowering plant of the Peninsular and Transverse Ranges in California. It is endemic to (known from) only four counties in Southern California: Los Angeles, Orange, San Diego and Ventura Counties. There are perhaps 15 to 17 occurrences in existence, with a total population estimated between 10,000 and 20,000.〔(The Nature Conservancy )〕 This species, previously classified as a subspecies of ''Nolina parryi'', was elevated to species status in 1995.〔Hess, W. J. and J. C. Dice. (1995). ''Nolina cismontana'' (Nolinaceae), a new species name for an old taxon. ''Novon'' 5:2 162-4.〕 The type specimen is from Trabuco Canyon.〔 The two species differ in morphology as well as habitat and ecology. ==Distribution== ''Nolina cismontana'' occurs in coastal mountain ranges in dry chaparral and coastal sage scrub habitat on rocky sandstone and gabbro substrates. By contrast, ''N. parryi'' is more often found in woodlands on granite soils.〔 The plant is in decline throughout most of its range.〔 Threats include destruction and fragmentation of habitat for development, construction of roads, and agriculture, changes in the fire regime, recreational activity, and non-native species.〔 This species is a "fire-follower", experiencing reproduction and prolific blooming after wildfire.〔 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「Nolina cismontana」の詳細全文を読む スポンサード リンク
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