Populus tremuloides
(Trembling Aspen)

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Branch and Leaves


Leaves


Leaf Top

Leaf Bottom

Immature Male Catkins

Mature Male Catkins

Immature Male Catkin

Mature Male Catkin

Immature Male Catkin
Cross Section

Mature Male Catkin
Cross Section

Male Catkin Cut Open



Male Flower Top

Male Flower Bottom

Female Catkins

Female Catkins

Female Catkin

Female Catkin Close-up

Female Flowers

Female Flower

Herbarium Specimen

Herbarium Specimen
with Seeds