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Persicaria amphibia; Water Knotweed   

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Persicaria amphibia
Persicaria amphibia
Water Knotweed
Photographer: J. E.(Jed) and Bonnie McClellan
Collection: CalAcademy

ID: 1351 3151 4005 0027 (2005-10-18)

Copyright © 2005 California Academy of Sciences

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Sep 22, 1971
  • latitude 40.56000   longitude -121.28844   max error distance 1272 meters     View on Google Maps.
  • horizontal datum World Geodetic System 1984
  • georeferencing source GeoLocate
  • location   Butte Lake (Lassen County, California, US)
  • family Polygonaceae
  • synonyms Polygonum amphibium
  • CalAcademy slide #   T 105,051
  • photo category: Plant - annual/perennial

  • ADDITIONAL TAXONOMIC NOTES FOR THIS PHOTO
  • name change notes   May 21, 2014: TJM1 name Polygonum amphibium changed to TJM2 name Persicaria amphibia . (University & Jepson Herbaria)

  • MORE INFORMATION ABOUT THIS PLANT
  • common names   Water Knotweed, Water Smartweed (ITIS )
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Persicaria amphibia
  • View all photos in CalPhotos of Persicaria amphibia
  • Check Google Images for Persicaria amphibia


  • The photographer's identification Persicaria amphibia has not been reviewed. Click here to review or comment on the identification.

     
    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the image is clearly credited with J. E.(Jed) and Bonnie McClellan © California Academy of Sciences.

    Permission is granted to use the enlargement for personal, academic, or non-profit purposes as long as the user fills out the following form: https://forms.gle/R2ZUig8o8iYj4TrW9 and the image is clearly credited with J. E.(Jed) and Bonnie McClellan © California Academy of Sciences. For higher resolution images or commercial use please fill out this form: https://forms.gle/QKoVskQBcnYZPbrD6. Please make sure to include the 16 digit ID number for the image.


     

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