'hart's-tongue fern' definitions:

Tropical American terrestrial fern with leathery lanceolate fronds; sometimes placed in genus Polybotrya [syn: hart's-tongue, hart's-tongue fern, Olfersia cervina, Polybotrya cervina, Polybotria cervina]

Eurasian fern with simple lanceolate fronds [syn: hart's-tongue, hart's-tongue fern, Asplenium scolopendrium, Phyllitis scolopendrium]

Common epiphytic or sometimes terrestrial fern having pale yellow-green strap-shaped leaves; Florida to West Indies and Mexico and south to Uruguay [syn: Florida strap fern, cow- tongue fern, hart's-tongue fern]