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Aconogonon davisiae; Davis' Knotweed   

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Aconogonon davisiae
Aconogonon davisiae
Davis' Knotweed
Photographer: Charles Webber
Organization: California Academy of Sciences
Collection: CalAcademy

ID: 8076 3101 3973 0083 (1998-10-16)

Copyright © 1998 California Academy of Sciences

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Aug 1, 1955
  • latitude 40.48111   longitude -121.38222   max error distance 16130 meters     View on Google Maps.
  • horizontal datum World Geodetic System 1984
  • georeferencing source GeoLocate
  • georeferencing remarks Based error on Lassen Volcanic National Park brochure. http://www.nps.gov/lavo/planyourvisit/upload/lavo_road_map.pdf
  • location   Lassen Volcanic National Park (Shasta County, California, US)
  • family Polygonaceae
  • synonyms Polygonum davisiae
  • CalAcademy slide #   T 2268
  • photo category: Plant - annual/perennial

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

  • MORE INFORMATION ABOUT THIS PLANT
  • common names   Davis' Knotweed (CF, ITIS )
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Aconogonon davisiae
  • View all photos in CalPhotos of Aconogonon davisiae
  • Check Google Images for Aconogonon davisiae


  • The photographer's identification Aconogonon davisiae 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 Charles Webber © 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 Charles Webber © 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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