1. A lady fern with deeply cut leaf segments; found in the Rocky Mountains
   - Alpine lady fern

Type of: Athyrium filix-femina, lady fern

• unreplaceable
• unreportable
• unreported
• unrepresentative
• unrepressed
• unreproducible
• unreproducibly
• unreproved
• unrequested
• unrequited
• unresentful
• unreserved
• unreservedly
• unresistant
• unresisting
• unresolvable
• unresolved
• unrespectability
• unrespectable
• unresponsive
• unresponsiveness
• unrest
• unrested
• unrestrained
• unrestrainedly