Checklist » Excluded Taxa » Isatis tinctoria
Isatis tinctoria L.[FNA7, HC, HC2]
Dyer's woad
[This taxon is excluded from Washington]

Publication: Sp. Pl. 2: 670. 1753.

Origin: Introduced from Eurasia

Herbarium search: CPNWH

Notes: This species has neither been collected nor photographed in Washington. It is not considered established here. FNA7: "Isatis tinctoria has been cultivated since ancient times as a source of a blue dye (woad) obtained by fermenting the ground leaves and proximal portions of the plant."

Last updated 3/27/2022 by David Giblin.

Synonyms & Misapplied Names:
(none)