Publication: Fl. Sicul. Syn. 2: 867. (dt. 1844; publ. Sep-Oct 1845?). 1855.
Origin: Introduced
Herbarium search: CPNWH
Notes: This species is known from a single collection in 2013 from a Kittitas County roadside. Until additional localities are documented for this species it is not considered established in the flora.
Last updated 7/25/2020 by David Giblin.