1. Chiefly lithophytic or epiphytic fern of North America and east Asia
   - rock polypody, rock brake, American wall fern

Type of: polypody

• rock group
• rock gunnel
• rock harlequin
• rock hind
• rock hopper
• rock hyrax
• Rock Island
• rock kangaroo
• rock lobster
• rock maple
• rock melon
• rock music
• Rock of Gibraltar
• rock oil
• rock opera
• rock outcrop
• rock partridge
• rock penstemon
• rock pigeon
• rock pink
• rock plant
• rock polypody
• rock purslane
• rock python
• rock rabbit