scented fern

(noun) fern of eastern North America with pale green fronds and an aroma like hay. Synonyms: hay-scented, hay-scented fern, boulder fern, Dennstaedtia punctilobula.

(noun) sweetly scented African fern with narrow bipinnate fronds. Synonyms: Mohria caffrorum.

(noun) common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinally. Synonyms: tansy, golden buttons, Tanacetum vulgare.