1. Tropical American fern cultivated for its finely divided greyish-green foliage; West Indies and southern Mexico to Peru and Brazil
   - basket fern, toothed sword fern

Type of: sword fern

• Irvingia gabonensis
• ISA
• Isaac
• Isaac Asimov
• Isaac Bashevis Singer
• Isaac Hull
• Isaac M. Singer
• Isaac Mayer Wise
• Isaac Merrit Singer
• Isaac Newton
• Isaac Stern
• Isaac Watts
• Isabella
• Isabella I
• Isabella Stewart Gardner
• Isabella the Catholic
• Isadora Duncan
• Isaiah
• Isak Dinesen
• Isamu Noguchi
• isarithm
• Isatis
• Isatis tinctoria
• ISBN
• ischaemia