Meaning : Tropical American terrestrial fern with leathery lanceolate fronds. Sometimes placed in genus Polybotrya.
Synonyms : hart's-tongue, olfersia cervina, polybotria cervina, polybotrya cervina
Meaning : Eurasian fern with simple lanceolate fronds.
Synonyms : asplenium scolopendrium, hart's-tongue, phyllitis scolopendrium
Meaning : Common epiphytic or sometimes terrestrial fern having pale yellow-green strap-shaped leaves. Florida to West Indies and Mexico and south to Uruguay.
Synonyms : cow-tongue fern, florida strap fern