1. Fern of eastern North America with pale green fronds and an aroma like hay
   - hay-scented, hay-scented fern, boulder fern, Dennstaedtia punctilobula 
2. Sweetly scented African fern with narrow bipinnate fronds
   - Mohria caffrorum 
3. Common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinally
   - tansy, golden buttons, Tanacetum vulgare

Derived forms: scented ferns

Type of: composite, composite plant, fern

Part of: Dennstaedtia, genus Dennstaedtia, genus Mohria, genus Tanacetum, Mohria, Tanacetum

• isocyanate
• isocyanic acid
• isocyclic
• isodiametric
• isodynamic
• isoelectronic
• Isoetaceae
• Isoetales
• Isoetes
• isoflurane
• isogamete
• isogamy
• isogloss
• isogon
• isogonal line
• isogone
• isogonic
• isogonic line
• isogram
• isohel
• isohyet
• isolable
• isolate
• isolated
• isolating