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The Poeae are the largest tribe of the grasses, with around 2,800 species in 118 genera.[1] The tribe includes many lawn and pasture grasses.

Aira caryophyllea FWS-01.jpg
silver hairgrass (Aira caryophyllea)
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Tribe: Poeae
R.Br. (1814)

118 genera, see text




Two separate tribes, Poeae and Aveneae, used to be distinguished based on morphology, but phylogenetic analysis showed that they are intermingled. Poeae now includes the former Aveneae. Phylogenetic analyses identified two lineages based on chloroplast genomes. The genera are classified in 19 subtribes.[1]

Reticulate evolution occurred repeatedly in the tribe.[1]

Chloroplast group 1Edit

Chloroplast group 2Edit


  1. ^ a b c d Soreng, Robert J.; Peterson, Paul M.; Romschenko, Konstantin; Davidse, Gerrit; Zuloaga, Fernando O.; Judziewicz, Emmet J.; Filgueiras, Tarciso S.; Davis, Jerrold I.; Morrone, Osvaldo (2015). "A worldwide phylogenetic classification of the Poaceae (Gramineae)". Journal of Systematics and Evolution. 53 (2): 117–137. doi:10.1111/jse.12150. ISSN 1674-4918.   

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