1. Wiry tufted perennial of the eastern United States with stiff erect rough stems, linear leaves and large violet flowers
   - stiff aster

Type of: aster

• Robert Andrews Millikan
• Robert Anson Heinlein
• Robert Anthony Eden
• Robert Arthur Talbot Gascoyne-Cecil
• Robert Barany
• Robert Bartlett
• Robert Benchley
• Robert Boyle
• Robert Brown
• Robert Browning
• Robert Bruce Mathias
• Robert Bunsen
• Robert Burns
• Robert Burns Woodward
• Robert Charles Benchley
• Robert Charles Venturi
• Robert Clive
• Robert Curl
• Robert De Niro
• Robert E Lee Day
• Robert E Lee's Birthday
• Robert E. Lee
• Robert E. Peary
• Robert Edward Lee
• Robert Edwin Peary