CalPhotos    Photo Database

Polygonum aviculare ssp. depressum; Doorweed, Common Knotweed   

Contributors      Log In  

click photo for larger file
Polygonum aviculare ssp. depressum
Polygonum aviculare ssp. depressum
Doorweed, Common Knotweed
Photographer: Barry Breckling

ID: 0000 0000 1209 1359 (2009-12-13)

Copyright © 2009 Barry Breckling

  • date of photo  Dec 11, 2008
  • latitude 37.73611   longitude -120.93444   max error distance 2899 meters     View on Google Maps.
  • horizontal datum World Geodetic System 1984
  • georeferencing source GeoLocate
  • location   Riverbank Mall in Riverbank (Stanislaus County, California, US)
  • family Polygonaceae
  • photo category: Plant - annual/perennial

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

  • The photographer's identification Polygonum aviculare ssp. depressum 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 photo is clearly credited with © 2009 Barry Breckling. For other uses, or if you have questions, contact Barry Breckling breckling[AT] (Replace the [AT] with the @ symbol before sending an email.)


    Copyright © 1995-2024 UC Regents. All rights reserved.

    CalPhotos is a project of BNHM     University of California, Berkeley