1. Tall North American perennial herbs
   - genus Silphium

Type of: asterid dicot genus

Part of: aster family, Asteraceae, Compositae, family Asteraceae, family Compositae

Encyclopedia: Silphium

• metrology
• metromania
• metronidazole
• metronome
• metronome marking
• metronymic
• metropolis
• metropolitan
• metroptosis
• metrorrhagia
• metrosexual
• Metroxylon
• Metroxylon sagu
• green snake
• green soap
• green soybean
• green spleenwort
• green tea
• green thumb
• green turtle
• green turtle soup
• green woodpecker
• green-blind
• green-blindness
• green-eyed