Populus sp. ID: 9092 3191 3543 0106 [detail] Sherry Ballard © 1999 California Academy of Sciences	Populus sp. Cottonwood Or Poplar Or Aspen ID: 8235 3181 2553 0005 [detail] Sherry Ballard © 1999 California Academy of Sciences	Populus sp. ID: 0000 0000 0702 0585 [detail] © 2002 University of California Museum of Paleontology	Populus sp. Cottonwood ID: 0024 3291 2007 0066 [detail] Jo-Ann Ordano © 2000 California Academy of Sciences
Populus sp. Aspen ID: 1351 3163 4290 0049 [detail] Lorraine Elrod © 2007 California Academy of Sciences	Populus sp. Cottonwood (catkin) ID: 1351 3163 4290 0100 [detail] Marguerite Gregory © 2007 California Academy of Sciences	Populus sp. (shown with Wyethia sp.) ID: 5555 5555 0000 0940 [detail] 2005 The Regents of the University of California	Populus sp. (shown with Salix sp.) ID: 5555 5555 0000 0632 [detail] 2005 The Regents of the University of California
Populus sp. (shown with Symphoricarpos sp.) ID: 5555 5555 0000 0224 [detail] 2005 The Regents of the University of California	Populus sp. ID: 5555 5555 0000 1248 [detail] 2005 The Regents of the University of California	Populus sp. ID: 5555 5555 0000 1364 [detail] 2005 The Regents of the University of California	Populus sp. ID: 5555 5555 0000 1365 [detail] 2005 The Regents of the University of California
Populus sp. (shown with Symphoricarpos sp.) ID: 5555 5555 0000 0221 [detail] 2005 The Regents of the University of California	Populus sp. ID: 0000 0000 1113 2296 [detail] © 2013 Robert A. Stevenson	Populus sp. ID: 0000 0000 1116 1758 [detail] © 2016 Zoya Akulova	Populus sp. ID: 0000 0000 1116 1759 [detail] © 2016 Zoya Akulova
Populus sp. ID: 0000 0000 1116 1760 [detail] © 2016 Zoya Akulova	Populus sp. ID: 0000 0000 1116 1761 [detail] © 2016 Zoya Akulova	Populus sp. ID: 0000 0000 1116 1762 [detail] © 2016 Zoya Akulova	Populus sp. ID: 0000 0000 1116 1763 [detail] © 2016 Zoya Akulova

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.