Populus nigra

Photo: Populus nigra.
Photo: Populus nigra 0.

Tree with unripe seed. Koskela, Helsinki, Finland. Planted. 2002-05-15.
Photo: Populus nigra 1.
Photo: Populus nigra 1.

Branch with unripe seed. Koskela, Helsinki, Finland. Planted. 2002-05-15.
Photo: Populus nigra 2.
Photo: Populus nigra 2.

Unripe seed. Koskela, Helsinki, Finland. Planted. 2002-05-15.
Photo: Populus nigra 3.
Photo: Populus nigra 3.

Leaf and fluff. Koskela, Helsinki, Finland. Planted. 2003-07-21.
Photo: Populus nigra 4.
Photo: Populus nigra 4.

Leaf and fluff. Koskela, Helsinki, Finland. Planted. 2003-07-21.