Sword fern

Sword fern is a common name for several ferns and may refer to:

• Nephrolepis, a tropical genus of ferns, especially:
• Nephrolepis exaltata, commonly cultivated as a houseplant, including the Boston fern
• Polystichum, a cosmopolitan genus of ferns, especially:
• Polystichum munitum, native to western North America
• Giant swordfern