Avenella Koch ex Steudel. Subfamily: Pooideae. Tribe: Poeae (CHLOROPLAST GROUP 2 Poeae type). Subtribe: Airinae. supertribe: Poodae. clade: "BOP". Hairgrass.
A monotypic genus, perennial, circumboreal, formerly often included in Deschampsia.
Ref: Barkworth (2007n) In Flora of North America Editorial Committee (2007a); Chiapella (2007); Tucker (1996). Show full citations.
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