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World Checklist of Selected Plant Families (WCSP)

Avenastrum elongatum var. friesiorum Pilg., Notizbl. Bot. Gart. Berlin-Dahlem 9: 517 (1926).

This name is a synonym.

Accepted Name: Trisetopsis umbrosa (Hochst. ex Steud.) Röser & A.Wölk, Schlechtendalia 25: 60 (2013).
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:

Helictotrichon friesiorum (Pilg.) C.E.Hubb., Bull. Misc. Inform. Kew 1936: 333 (1936).

Arrhenatherum friesiorum (Pilg.) Potztal, Bot. Jahrb. Syst. 75: 329 (1951).

Trisetopsis friesiorum (Pilg.) Röser & A.Wölk, Schlechtendalia 25: 59 (2013).

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