Poa Linnaeus. Subfamily: Pooideae. Tribe: Poeae (CHLOROPLAST GROUP 2 Poeae type). Subtribe: Poinae. supertribe: Poodae. clade: "BOP". Bluegrass.
A genus of about 500 species, annuals and perennials, cosmopolitan.
Ref: Haines (2004); Hitchcock & Chase (1950); Soreng (1998); Soreng (2007) In Flora of North America Editorial Committee (2007a); Soreng & Simmons (2018); Tucker (1996). Show full citations.
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© Gary P. Fleming | 
© Gary P. Fleming | 
© Gary P. Fleming | 
© Gary P. Fleming |