Publication: Consp. Fl. Eur. 2: 399. 1879.
Origin: Introduced
Herbarium search: CPNWH
Notes: No specimens of this taxon are known from Washington, despite being reported in WA by Abrams and Kartesz. Until a specimen is produced from WA, this taxon will not be considered part of the flora.
Last updated 2/26/2013 by David Giblin.