Publication: Descr. Icon. Pl. Hung. 1: 5. 1799.
Origin: Introduced
Herbarium search: CPNWH
Notes: Known in Washington from single specimen at WS collected in 1985 from Chelan County irrigation ditch. This is likely a misidentification. This species is considered excluded until additional specimens from Washington are collected.
Last updated 1/2/2022 by David Giblin.