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Definition of Sword fern
1. Noun. Any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed.
Generic synonyms: Fern
Group relationships: Genus Nephrolepis, Nephrolepis
Specialized synonyms: Boston Fern, Nephrolepis Exaltata, Nephrolepis Exaltata Bostoniensis, Basket Fern, Nephrolepis Pectinata, Toothed Sword Fern
Group relationships: Genus Nephrolepis, Nephrolepis
Specialized synonyms: Boston Fern, Nephrolepis Exaltata, Nephrolepis Exaltata Bostoniensis, Basket Fern, Nephrolepis Pectinata, Toothed Sword Fern