poplar genus

Family: Salicaceae

Species
1. Populus alba (white)
2. Populus balsamifera (balsam)
3. Populus caspica (Caspian)
4. Populus deltoides (eastern cottonwood)
5. Populus fremontii (Fremont's cottonwood)
6. Populus grandidentata (large-tooth aspen)
7. Populus lasiocarpa (Chinese necklace)
8. Populus maximowiczii (Japanese)
9. Populus nigra (black)
10. Populus rotundifolia (圆叶杨)
11. Populus talassica (命叶杨)
12. Populus tremula (European aspen)
13. Populus tremuloides (trembling aspen)
14. Populus trichocarpa (black cottonwood)
15. Populus wilsonii (Wilson's)
16. Populus x Griffin (Griffin)
17. Populus x canadensis (hybrid black)
18. Populus x canescens (gray)
19. Populus x jackii (northwest)
20. Populus yunnanensis (Yunnan)

Photos from species in Populus.