1. Eurasian plant widely naturalized as a weed in North America; used as salad greens and to make wine
   - common dandelion, Taraxacum officinale

Type of: blowball, dandelion

• genus Triticum
• genus Triturus
• genus Trogium
• genus Troglodytes
• genus Trogon
• genus Trollius
• genus Trombicula
• genus Tropaeolum
• genus Tropidoclonion
• genus Truncocolumella
• genus Tsuga
• genus Tuber
• genus Tubercularia
• genus Tulestoma
• genus Tulipa
• genus Tulostoma
• genus Tunga
• genus Tupaia
• genus Tupinambis
• genus Turbatrix
• genus Turdus
• genus Turnix
• genus Turreae
• genus Turritis
• genus Tursiops