1. Tufted rigid North American perennial with loose clusters of white flowers
   - upland white aster

Type of: aster

• Rwanda franc
• Rwandan
• Rwandese Republic
• Rx
• rya
• rya rug
• sombrely
• sombreness
• sombrero
• some
• some other
• somebody
• someday
• somehow
• someone
• someplace
• somersault
• somersaulting
• somerset
• Somerset Maugham
• somesthesia
• somesthesis
• something
• sometime
• sometimes