[2] It is found across northern and eastern China, and has been introduced to the US state of Louisiana.
[4] It also plays key roles in shelterbelts and urban afforestation in northern China.
[4] Populus × tomentosa has long been suspected to be a hybrid, but its exact parents remain unknown.
[5] Populus × tomentosa is found across northern and eastern China, and has been introduced to the US state of Louisiana.
[1][6] It is distributed between sea level and 1,500 metres (4,900 ft) in China.