Pascal Tordeux / Line of Black poplar trees (Populus nigra) at sunset, Surfontaine, Picardy, France.
01549366
Jean E. Roche / Bark of an old Black poplar (Populus nigra) Oppedette Canyon, Provence, France, April 2016.
01712676
Andres M. Dominguez / Catkins on Cottonwood (Populus nigra) tree, Grazalema, Southern Spain. March.
01686056
Will Watson / Black poplar (Populus nigra ssp. betulifolia) canopy, a rare species in the UK, veteran tree, Clifford, Herefordshire, England, UK. July.
01685987
Will Watson / Canopy of veteran Black poplar tree (Populus nigra ssp. betulifolia), Blakemere, Herefordshire, England, UK. May, 2021.
01665151
Fabrice Cahez / Catkins on Cottonwood (Populus nigra) Loire, France, April.
