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

Type of: Athyrium filix-femina, lady fern

• cow pen
• cow pony
• cow shark
• cow's head
• cow-nosed ray
• cow-tongue fern
• cowage
• coward
• cowardice
• cowardliness
• cowardly
• cowbane
• cowbarn
• cowbell
• cowberry
• cowbird
• cowboy
• cowboy boot
• cowboy hat
• cowcatcher
• Cowen
• cower
• cowfish
• cowgirl
• cowhand