Noun | 1. scented fern - fern of eastern North America with pale green fronds and an aroma like hayboulder fern, Dennstaedtia punctilobula, hay-scented, hay-scented fernfern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by sporesDennstaedtia, genus Dennstaedtia - chiefly terrestrial ferns; in some classification systems placed in family Polypodiaceae | | 2. scented fern - sweetly scented African fern with narrow bipinnate frondsMohria caffrorumfern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by sporesgenus Mohria, Mohria - African terrestrial ferns | | 3. scented fern - common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinallygolden buttons, Tanacetum vulgare, tansycomposite plant, composite - considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowersgenus Tanacetum, Tanacetum - a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum |