Contains 3 accepted taxa overall.

Characteristics
Populus L.
POPLAR
Classification
MALPIGHIALES
Populus
Citation
POPULUS Linnaeus, Sp. Pl. 1034. 1753.
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TYPE: Populus alba Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 587. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Populus alba WHITE POPLAR; SILVER POPLAR Not Native
Populus deltoides EASTERN COTTONWOOD Native FAC (NWPL) FACW (DEP)
Populus heterophylla SWAMP COTTONWOOD Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Leaf blades white tomentose on the lower surface
1.  Leaf blades glabrous or hairy only along the veins
2
2.  Petiole flattened near the blade; leaf blade deltoid, the apex acute to acuminate
2.  Petiole mostly terete; leaf blade broadly ovate, the apex obtuse
Genus Synonyms
Synonym Full Citation Basionym Type
Aigeiros Aigeiros Tidestrom, Elys. Marianum 2: 15. 1910. TYPE: Non designatus.
Monilistus Monilistus Rafinesque, Alsogr. Amer. 42. 1838. TYPE: Monilistus monilifera Rafinesque 1838.
Octima Octima Rafinesque, Alsogr. Amer. 42. 1838. TYPE: Populus canescens Smith 1804.
Tacamahaca Tacamahaca Miller, Fig. Pl. 174, pl. 261. 1758. TYPE: Non designatus.
Tremula Tremula Dumortier, Bijdr. Natuurk. Wetensch. 1: 46. 1826. TYPE: Tremula vulgaris Opiz 1852. (Populus tremula Linnaeus 1753.)