hart's-tongue fern
       n 1: tropical American terrestrial fern with leathery lanceolate
            fronds; sometimes placed in genus Polybotrya [syn: hart's-tongue,
             Olfersia cervina, Polybotrya cervina, Polybotria
            cervina]
       2: Eurasian fern with simple lanceolate fronds [syn: hart's-tongue,
           Asplenium scolopendrium, Phyllitis scolopendrium]
       3: 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]