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World Checklist of Selected Plant Families (WCSP)

Windsoria poiformis Nutt., Gen. N. Amer. Pl. 1: 70 (1818), nom. superfl.

This name is a synonym.

Accepted Name: Tridens flavus (L.) Hitchc., Rhodora 8: 210 (1906).
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 quinquefida Pursh, Fl. Amer. Sept. 1: 81 (1813).

Tridens quinquefidus (Pursh) Roem. & Schult., Syst. Veg., ed. 15 bis 2: 599 (1817).

Tricuspis quinquefida (Pursh) P.Beauv. ex G.Don in J.C.Loudon, Hort. Brit.: 31 (1830).

* Basionym/Replaced Synonym

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