1. Stiff perennial of the eastern United States having small linear leaves and numerous tiny white flower heads
   - Aster dumosus

Derived forms: bushy asters

Type of: aster

• Army Intelligence
• Army National Guard
• Army of Muhammad
• Army of the Confederacy
• Army of the Pure
• Army of the Righteous
• army officer
• army tank
• army unit
• armyworm
• Arna Wendell Bontemps
• ARNG
• Arnhem
• arnica
• arnica bud
• Arnica cordifolia
• Arnica montana
• Arno
• Arno River
• Arnold
• Arnold Daniel Palmer
• Arnold Gesell
• Arnold Joseph Toynbee
• Arnold Lucius Gesell
• Arnold of Brescia