1. Perennial of western North America having white flowers
   - white prairie aster

Type of: aster

• mainframe computer
• mainland
• mainland China
• mainline
• mainly
• mainmast
• mains
• mainsail
• mainsheet
• mainspring
• mainstay
• mainstream
• mainstreamed
• maintain
• maintainable
• maintained
• maintainer
• maintenance
• maintenance man
• maintenance staff
• Maintenon
• maintop
• maiolica
• maisonette
• maisonnette