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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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11. Common Reed

common reedCommon Reed (Phragmites australis)

  • Large, perennial, grass species with plume-like flowering stalks
  • Woody hollow stems can grow 1 to 4 meters tall
  • Likes roadside ditches, marshes, swamps, brackish estuaries, and alkaline wetlands
  • Seeds are shed from November through January and dispersed by wind, water, and animals

Photos by Glenn Miller, Oregon Deptartment of Agriculture

common reed