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World Checklist of Selected Plant Families (WCSP)

Roegneria tsukushiensis var. transiens (Hack.) B.Rong Lu, C.Yen & J.L.Yang, Acta Bot. Yunnan. 12: 245 (1990).

This name is a synonym.

Accepted Name: Elymus tsukushiensis Honda, Bot. Mag. (Tokyo) 50: 391 (1936).
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:

* Agropyron semicostatum var. transiens Hack., Bull. Herb. Boissier, sÚr. 2, 2: 507 (1902).

Agropyron tsukushiense var. transiens (Hack.) Ohwi, Bull. Natl. Sci. Mus. Tokyo 33: 67 (1953).

Elymus tsukushiensis var. transiens (Hack.) K.Osada, J. Jap. Bot. 65: 266 (1990).

* Basionym/Replaced Synonym

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