woad

n.

a blue dyestuff obtained from the woad plant

any of several herbs of the genus Isatis

Origin of Indigo of Woad
Indoxyl Derivatives In Woad In Relation To Medieval Indigo Production
Novel indole-type glucosinolates from woad ( Isatis tinctoria L.)
Evaluating Montana's dyer's woad (Isatis tinctoria) cooperative eradication project.
A Study of Phylogeny of the Dyer's Woad Rust Fungus and Other Species of Puccinia
Qualitative analysis of indigo precursors from woad by HPLC and HPLC‐MS
An indigo-reducing moderate thermophile from a woad vat, Clostridium isatidis sp. nov
A Study on the Phylogeny of the Dyer's Woad Rust Fungus and Other Species of Puccinia from Crucifers.
Identification of an indigo precursor from leaves of Isatis tinctoria (Woad).
Satellite Remote Sensing to Predict Potential Distribution of Dyers Woad (Isatis tinctoria)