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See list of 2 species in this genus
  • 1a. Plants annual or short-lived perennial, lacking rhizomes; leaf blades (5–) 20–100 mm wide; mature spikelets not or only tardily disarticulating
  • 1b. Plants perennial, with rhizomes; leaf blades 8–20 (–40) mm wide; mature spikelets disarticulating

 Show photos of:   Each photo represents one species in this genus.