Polygonum aviculare Wire Grass ID: 1351 3151 4005 0028 [detail] J. E.(Jed) and Bonnie McClellan © 2005 California Academy of Sciences	Polygonum aviculare Wire Grass ID: 1351 3151 4005 0029 [detail] J. E.(Jed) and Bonnie McClellan © 2005 California Academy of Sciences	Polygonum aviculare Prostrate Knotweed ID: 0000 0000 1108 1580 [detail] © 2008 Keir Morse	Polygonum aviculare Prostrate Knotweed ID: 0000 0000 1108 1581 [detail] © 2008 Keir Morse
Polygonum aviculare Prostrate Knotweed ID: 0000 0000 1108 1582 [detail] © 2008 Keir Morse	Polygonum aviculare Prostrate Knotweed ID: 0000 0000 1010 0533 [detail] © 2010 Steven Thorsted	Polygonum aviculare Prostrate Knotweed ID: 0000 0000 1010 0442 [detail] © 2010 Steven Thorsted	Polygonum aviculare Prostrate Knotweed ID: 0000 0000 0513 2377 [detail] © 2013 Ron Wolf
Polygonum aviculare Prostrate Knotweed ID: 0000 0000 0513 2378 [detail] © 2013 Ron Wolf	Polygonum aviculare Prostrate Knotweed ID: 0000 0000 0516 2202 [detail] © 2016 Steven Thorsted	Polygonum aviculare ssp. depressum Common Knotweed ID: 0175 3301 2363 0057 [detail] © 2001 CDFA

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos.