switch grass

switch grass (countable and uncountable, plural switch grasses)

1. Panicum virgatum, a dominant species of the central North American tallgrass prairie.

• (Panicum virgatum): tall panic grass, Wobsqua grass, blackbent, tall prairiegrass, wild redtop, thatchgrass, Virginia switchgrass

• switch grass on Wikipedia.Wikipedia
• Panicum virgatum on Wikispecies.Wikispecies
• Category:Panicum virgatum on Wikimedia Commons.Wikimedia Commons
• switch grass at USDA Plants database