1. A common poplar of eastern and central United States; cultivated in United States for its rapid growth and luxuriant foliage and in Europe for timber
   - necklace poplar, Populus deltoides

Type of: cottonwood

• order Stomatopoda
• order Strigiformes
• order Struthioniformes
• order Synentognathi
• order Taxales
• order Temnospondyli
• order Testacea
• order Testudinata
• order Testudines
• order Tetraodontiformes
• order Thecodontia
• order Therapsida
• order Thymelaeales
• order Thysanoptera
• order Thysanura
• order Tinamiformes
• order Torpediniformes
• order Tremellales
• order Trichoptera
• order Trogoniformes
• order Tuberales
• order Tubulidentata
• order Tulostomatales
• order Ulvales
• order Umbellales