Species
Populus trichocarpa (Black cottonwood)
Populus trichocarpa. Photo: (c) norcaljoshua, some rights reserved (CC BY-NC)
Populus trichocarpa, the black cottonwood, 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.
Sightings
Where in Humboldt
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