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World Checklist of Selected Plant Families (WCSP)

Poa tristis Trin., Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 2: 528 (1835).

This name is a synonym.

Accepted Name: Poa glauca subsp. altaica (Trin.) Olonova & G.H.Zhu, Fl. China 22: 309 (2006).
Family: Poaceae
The Poaceae generic classification system originated from the GrassBase database, originally based on Genera Graminum (1985). Work is in progress to update this to a new globally accepted and collaborative generic classification based on the latest research.
Homotypic Names:

Poa laxa var. tristis (Trin.) Griseb. in C.F.von Ledebour, Fl. Ross. 4: 372 (1852).

Original Compiler: W.D.Clayton, R.Govaerts, K.T.Harman, H.Williamson & M.Vorontsova