Publication: Annales des Sciences Naturelles; Botanique, série 4 15: 88. 1861.
Origin: Introduced from Australia
Herbarium search: CPNWH
Notes: Known at least from Snohomish and Pacific counties (J. Parsons, personal communication, 2016). Specimen collected from Pacific County in 2016.
Last updated 10/2/2023 by David Giblin.