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Western Needlegrass (Achnatherum occidentale)

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Achnatherum Occidentale, or more commonly know as Western Needlegrass, is a graminoid of the genus Achnatherum. Its duration is perennial which means it will grow year after year. Achnatherum Occidentale or Western Needlegrass's floral region is North America US Lower 48, specifically in the states of Arizona, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington and Wyoming.

  • Category: Monocot
  • Genus: Achnatherum
  • Family: Poaceae
  • Order: Cyperales
  • Class: Liliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Graminoid
  • Native Status: L48 (N) CAN (N)





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