The following species in the grass genus Poa are accepted by Plants of the World Online.[1] Speciation in this genus is marked by interspecific and even intergeneric hybridization events.[2]
Web site: Poa L. . Plants of the World Online . Board of Trustees of the Royal Botanic Gardens, Kew . 2022 . 23 January 2022.
Interspecies hybridization in the origin of plant species: Cases in the genus Poa sensu lato . 2015 . Nosov . N. N. . Punina . E. O. . Machs . E. M. . Rodionov . A. V. . Biology Bulletin Reviews . 5 . 4 . 366–382 . 10.1134/S2079086415040088 . 2015BioBR...5..366N . 15874444 .