Match poplar (Populus deltoides Bartr. ex Marshall)

eastern cottonwood (Populus deltoides ssp. deltoides)

Rio Grande cottonwood (Populus deltoides subsp. wislizeni (S. Watson) Eckenw.)

Populus deltoides × Populus × Populus canadensis

Populus deltoides ssp. wislizenii (S. Wats.) Eckenwalder

plains cottonwood (Populus deltoides ssp. monilifera (Ait.) Eckenwalder)

Populus deltoides W. Bartram ex Marshall

Rio Grande cottonwood (Populus deltoides wislizeni)

Populus deltoides × Populus simonii

Populus trichocarpa × Populus deltoides

Populus balsamifera × Populus deltoides

Populus deltoides × Populus nigra

Populus nigra × Populus deltoides

Populus deltoides ssp. monilifera

Populus deltoides × Populus tremuloides

Populus deltoides × Populus maximowiczii

Populus deltoides W. Bartram ex Marshall

Populus deltoides var. monilifera × Populus tremuloides

Populus deltoides ssp. monilifera (Aiton) Eckenw.

eastern cottonwood (Populus deltoides W. Bartram ex Marshall)

eastern cottonwood (Populus deltoides Bartram ex Marsh. ssp. deltoides)

Populus deltoides deltoides

Fremont cottonwood (Populus fremontii ssp. mesetae J. E. Eckenwalder)

Fremont cottonwood (Populus fremontii ssp. fremontii)

cottonwood (Populus)