Carex Atratiformis, or more commonly know as Scrabrous Black Sedge, is a graminoid of the genus Carex. Its duration is perennial which means it will grow year after year. Carex Atratiformis or Scrabrous Black Sedge's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, Maine, Michigan, New Hampshire, New York and Vermont.
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