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Criteria: latin name contains ‘Polygonum’;

Number of results: 3

  • [photo of Leathery Knotweed] Polygonum achoreumLeathery Knotweed
  • [photo of Douglas' Knotweed] Polygonum douglasiiDouglas' Knotweed
  • [photo of Slender Knotweed] Polygonum tenueSlender Knotweed

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