1. North American fern having tall erect pinnate fronds and a few sporogenous pinnae at or near the centre of the fertile fronds
   - interrupted fern

Type of: flowering fern, osmund

• indehiscent
• indelibility
• indelible
• indelible ink
• indelibly
• indelicacy
• indelicate
• indemnification
• indemnify
• indemnity
• indemonstrable
• indene
• indent
• indentation
• indention
• indenture
• indentured
• independence
• Independence Day
• Independence Hall
• independency
• independent
• independent agency
• independent clause
• Independent State of Papua New Guinea