non endemic long establish trees at P Ranch Malheur NWR
Site is a vacant lot; at one time a mobile home park.
The large deciduous tree at center.
This tree is about 12 meters tall, looks very healthy. It has leaves that are dark green, with a very distinctive spade like shape and it is not common in the area.
Populus trichocarpa (black cottonwood; also known as western balsam poplar or California poplar) is a deciduous broadleaf tree species native to western North America. It is used for timber, and is notable as a model organism in plant biology. Its full genome sequence was published in 2006. It is the first tree species to be sequenced.