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Aspidotis carlotta-halliae
''Aspidotis carlotta-halliae'' is a species of perennial fern known by the common names tufted lacefern and Carlotta Hall's lace fern. It is endemic to California,〔(【引用サイトリンク】url=http://plants.usda.gov/core/profile?symbol=ASCA17 )〕 where it is found in the Central Coast Ranges and coastal hillsides, often on serpentine soils. This species is a fertile hybrid between ''Aspidotis californica'' and ''Aspidotis densa''. The fern was named for fern collector Carlotta Case Hall, who coauthored the 1912 botanical guide ''A Yosemite Flora'' with her husband, botanist Harvey Monroe Hall.〔(H. M. Hall Biographical Notes )〕
==Description==
In appearance it is intermediate between the two other ferns. It has leathery triangular leaves divided into many pairs of leaflets, which are each subdivided into many coarse, irregularly toothed segments. The stipe is very thin and dark. The undersides of the segments are lined with sori containing sporangia. It is found between to in elevation.〔(【引用サイトリンク】url=http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Aspidotis+carlotta-halliae )〕 It is often found growing under rocks.〔(【引用サイトリンク】url=http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=14505 )〕
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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