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World Checklist of Selected Plant Families (WCSP)

Poa sessiliflora (Poir.) Kunth, Révis. Gramin. 1: 111 (1829).

This name is a synonym.

Accepted Name: Chasmanthium laxum (L.) H.O.Yates, S. W. Naturalist 11: 433 (1966).
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:

* Uniola sessiliflora Poir. in Lamarck, Encycl. 8: 185 (1808).

Chasmanthium sessiliflorum (Poir.) Yates, S. W. Naturalist 11: 426 (1966).

Chasmanthium laxum subsp. sessiliflorum (Poir.) L.G.Clark, Ann. Missouri Bot. Gard. 77: 601 (1990).

Chasmanthium laxum var. sessiliflorum (Poir.) Wipff & S.D.Jones, Phytologia 77: 456 (1994 publ. 1995).

* Basionym/Replaced Synonym

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