About
Education
Discuss
TraitBank
Sign In
Sign Up
Language
Deutsch
English
Español
français
italiano
Nederlands
Piemontèis
Português do Brasil
suomi
Türkçe
Čeština
Ελληνικά
македонски
Українська
العربية
简体中文
繁體中文
names in breadcrumbs
vernacular
scientific
About
Education
Discuss
TraitBank
Sign In
Sign Up
en
Deutsch
English
Español
français
italiano
Nederlands
Piemontèis
Português do Brasil
suomi
Türkçe
Čeština
Ελληνικά
македонски
Українська
العربية
简体中文
繁體中文
names in breadcrumbs
vernacular
scientific
Life
»
…
»
Plants
»
…
»
Dicotyledons
»
…
»
Willow Family
Life
»
Cellular
»
Eukaryotes
»
Plants
»
Chloroplastida
»
Streptophyta
»
Embryophytes
»
Tracheophyta
»
Seed Plants
»
Dicotyledons
»
Eudicots
»
Superrosids
»
Rosids
»
Malpighiales
»
Willow Family
«
Poplar
Populus
collect
overview
data
media
articles
maps
names
license
any license
CC-BY
CC-BY-NC
CC-BY-NC-SA
CC-BY-SA
No copyright
image
any type
image
map
sound
video
provider
any provider
Arnold Arboretum Photo Gallery
Barcode of Life Data Systems
Barry Armstead Photography, ALA
BioImages, the virtual fieldguide, UK
Botanical Illustrations
Bugs for Bugs, Atlas of Living Australia
CalPhotos
CephBase
Eastfield College SEM Lab
eMammal
Femorale
Fishbase
Flickr BHL
Flickr Group
Harvard Museum of Comparative Zoology
iNaturalist
Moorea Biocode
Mycokeys
NMNH Collection
Phytokeys
PlanetScott
SailinSteve
SI Wild
SINA images
TreatmentBank
Turbellarian Taxonomic Database
USDA PLANTS images
Wikimedia Commons
Wolf Spiders of Australia, ALA
World Register of Marine Species
« First
1
2
3
4
5
6
7
8
9
…
Last »
cc-by-nc
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc-sa-3.0
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
cc-by-nc
trusted
Image of Black Cottonwood
cc-by-nc
2014 Zoya Akulova
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
2008 Keir Morse
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
2008 Keir Morse
CalPhotos
Image of Black Cottonwood
cc-by-nc
2016 Zoya Akulova
CalPhotos
Image of Black Cottonwood
cc-by-nc
2016 Zoya Akulova
CalPhotos
Image of Black Cottonwood
cc-by-nc
2016 Zoya Akulova
CalPhotos
Image of Black Cottonwood
cc-by-nc
2017 Thayne Tuason
CalPhotos
resinous bracts that fall of with newly emerged leaves in spring
Image of Black Cottonwood
cc-by-nc
2017 Thayne Tuason
CalPhotos
Image of Black Cottonwood
cc-by-nc
2017 Thayne Tuason
CalPhotos
fluffy cotton-like seeds being dispersed
Image of Black Cottonwood
cc-by-nc
2017 Thayne Tuason
CalPhotos
younger tree felled by beavers, cottonwood cambium is one of their favorite foods
Image of Black Cottonwood
cc-by-nc
2017 Thayne Tuason
CalPhotos
Largest cottonwood tree in the middle Columbia region, leafless because its still very early spring
Image of Black Cottonwood
cc-by-nc-sa-3.0
2007 California Academy of Sciences
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
2007 California Academy of Sciences
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
1998 California Academy of Sciences
CalPhotos
Populus trichocarpa
Image of Black Cottonwood
cc-by-nc-sa-3.0
1998 California Academy of Sciences
CalPhotos
Populus trichocarpa
Image of Black Cottonwood
cc-by-nc-sa-3.0
1998 California Academy of Sciences
CalPhotos
Populus trichocarpa
Image of Black Cottonwood
cc-by-nc-sa-3.0
1998 California Academy of Sciences
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
1999 California Academy of Sciences
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
1999 California Academy of Sciences
CalPhotos
Image of Black Cottonwood
cc-by-nc-sa-3.0
1999 California Academy of Sciences
CalPhotos
Image of quaking aspen
cc-by-nc
2004 Robert Sivinski
CalPhotos
Image of quaking aspen
cc-by-nc
2006 Robert Sivinski
CalPhotos
Image of quaking aspen
cc-by-nc
2014 Zoya Akulova
CalPhotos
Image of quaking aspen
cc-by-nc
2014 Zoya Akulova
CalPhotos
« First
1
2
3
4
5
6
7
8
9
…
Last »