Crossword clue: a european herbaceous plant (achillea ptarmica) allied to the yarrow, having a strong, pungent smell.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
Eurasian herb having loose heads of button-shaped white flowers and long grey-green leaves that cause sneezing when powd