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World Checklist of Selected Plant Families (WCSP)

Poa angustifolia subsp. costata (Schumach.) K.Richt., Pl. Eur. 1: 87 (1890).

This name is a synonym.

Accepted Name: Poa pratensis L., Sp. Pl.: 67 (1753).
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 costata Schumach., Enum. Pl. Saell. 1: 28 (1801).

Poa pratensis var. costata (Schumach.) Fr., Summa Veg. Scand.: 76 (1845).

Poa pratensis proles costata (Schumach.) Asch. & Graebn., Syn. Mitteleur. Fl. 2(1): 433 (1900).

* Basionym/Replaced Synonym

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