1. Grass with long cylindrical spikes grown in northern United States and Europe for hay
   - timothy, Phleum pratense

Type of: grass

Part of: genus Phleum, Phleum

• genus Solea
• genus Soleirolia
• genus Solenopsis
• genus Solenostemon
• genus Solidago
• genus Somateria
• genus Sonchus
• genus Sonora
• genus Sophora
• genus Sorbus
• genus Sorex
• genus Sorghum
• genus Spadella
• genus Spalax
• genus Sparaxis
• genus Sparganium
• genus Sparmannia
• genus Spartina
• genus Spartium
• genus Spathiphyllum
• genus Spergula
• genus Spergularia
• genus Spermophilus
• genus Sphacele
• genus Sphacelotheca