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Polygonum aviculare subsp. depressum; Doorweed, Common Knotweed   

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Polygonum aviculare subsp. depressum
Polygonum aviculare subsp. depressum
Doorweed, Common Knotweed
Photographer: Barry Breckling

ID: 0000 0000 1209 1353 (2009-12-13)

Copyright © 2009 Barry Breckling

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Jul 8, 2009
  • latitude 37.71722   longitude -119.65889   max error distance 301 meters     View on Google Maps.
  • horizontal datum World Geodetic System 1984
  • georeferencing source GeoLocate
  • location   Along edge of Bridalveil Meadow, Yosemite National Park (Mariposa County, California, US)
  • family Polygonaceae
  • synonyms Polygonum arenastrum Polygonum arenastrum
  • notes   In TJM2, changed to Polygonum aviculare ssp. depressum
  • photo category: Plant - annual/perennial

  • ADDITIONAL TAXONOMIC NOTES FOR THIS PHOTO
  • name change notes   May 21 2014: TJM1->TJM2 update via script. TJM1 name: Polygonum arenastrum ; TJM2 name: Polygonum aviculare ssp. depressum
  • name change notes   Feb 19 2025: Jepson eFlora update via script. Previous name: Polygonum arenastrum ; updated name: Polygonum aviculare subsp. depressum

  • MORE INFORMATION ABOUT THIS PLANT
  • common names   Doorweed, Common Knotweed (photographer)
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Polygonum aviculare subsp. depressum
  • View all photos in CalPhotos of Polygonum aviculare subsp. depressum
  • Check Google Images for Polygonum aviculare subsp. depressum


  • The photographer's identification Polygonum aviculare subsp. depressum has not been reviewed. Sign in to review or comment on this photo

     
    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 photo is clearly credited with © 2009 Barry Breckling. For other uses, or if you have questions, contact Barry Breckling breckling[AT]garlic.com. (Replace the [AT] with the @ symbol before sending an email.)


     

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