Image: Polygonum douglasii

Description: The leaves are often narrow and the plants of this Polygonum (foreground, center) are almost indistinguishable from the coexisting grasses.
Title: Polygonum douglasii
Credit: originally posted to Flickr as Polygonum douglasii
Author: Matt Lavin
Permission: This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 11 September 2010, 08:35 by Pauk. On that date, it was confirmed to be licensed under the terms of the license indicated. This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/2.0 CC BY-SA 2.0 Creative Commons Attribution-Share Alike 2.0 truetrue
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes