1. Coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico
   - western ragweed, perennial ragweed

Type of: ambrosia, bitterweed, ragweed

• impecunious
• impecuniousness
• impedance
• impede
• impeded
• impediment
• impedimenta
• impeding
• impeditive
• impel
• impelled
• impellent
• impeller
• impelling
• impend
• impendence
• impendency
• impendent
• genus Daviesia
• genus Decapterus
• genus Decumaria
• genus Deinocheirus
• genus Deinonychus
• genus Delairea
• genus Delichon