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・ Carex porrecta
・ Carex praeceptorum
・ Carex praegracilis
・ Carex praticola
・ Carex proposita
・ Carex pseudocyperus
・ Carex pulicaris
・ Carex qingliangensis
・ Carex rainbowii
・ Carex raynoldsii
・ Carex riparia
・ Carex roanensis
・ Carex rossii
・ Carex rostrata
・ Carex rufina
Carex saxatilis
・ Carex scoparia
・ Carex sect. Ovales
・ Carex sect. Spirostachyae
・ Carex secta
・ Carex serotina
・ Carex sheldonii
・ Carex siderosticta
・ Carex simulata
・ Carex sodiroi
・ Carex sparganioides
・ Carex specifica
・ Carex spectabilis
・ Carex specuicola
・ Carex spicata


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Carex saxatilis : ウィキペディア英語版
Carex saxatilis

''Carex saxatilis'' is a species of sedge known by the common names rock sedge〔(USDA Plants Profile )〕 and russet sedge. It has a circumboreal distribution, occurring throughout the northern latitudes of the Northern Hemisphere. It occurs in Alaska, throughout most all of Canada to Greenland and in Eurasia. In North America it occurs at high elevations as far south as Utah and Colorado.〔Williams, Tara Y. 1990. (''Carex saxatilis''. ) In: Fire Effects Information System, (). U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.〕
This sedge is variable in appearance. In general, it forms a tuft of grasslike stems and leaves up to 80 or 90 centimeters tall. The inflorescence has staminate spikes above spikes of pistillate flowers.〔〔(''Carex saxatilis''. ) Flora of North America.〕
This sedge is a dominant or codominant species in several types of wetlands among other sedges. In more southerly regions it occurs near streams and lakes. It may not compete successfully with other vegetation in southern regions, and it may be found growing in only the wettest habitat where other plants will not grow.〔Aiken, S.G., et al. 2007. (''Carex saxatilis''. ) Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. NRC Research Press, National Research Council of Canada, Ottawa.〕 It grows in water or saturated substrates, but sometimes in drier sites like meadows. It may be associated with bluejoint reedgrass (''Calamagrostis canadensis''), tufted hairgrass (''Deschamsia caespitosa''), variableleaf pondweed (''Potamogeton gramineus''), subalpine fir (''Abies lasiocarpa''), lodgepole pine (''Pinus contorta''), Engelmann spruce (''Picea engelmannii''), and quaking aspen (''Populus tremuloides'').〔
==References==


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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