Here are 11 to consider. Lombardy poplar (Populus nigra) was once beloved as a quick-growing screen tree. Growing four to five feet a year — in an upright shape that fit many backyards — it ...

Conservation efforts are currently underway to restore its woodlands and protect the remaining trees. Black Poplar (Populus nigra subspecies betulifolia) The Black Poplar (Populus nigra subspecies ...

However, little has been known about whether this is also true for trees. The current study investigated ... defense of the black poplar Populus nigra, as well as the effects on the insect ...

For example, aphids living on the trees may excrete the fungus's defense ... on the herbivore defense of the black poplar Populus nigra, as well as the effects on the insect communities that ...