1. Tropical American terrestrial fern with leathery lanceolate fronds; sometimes placed in genus Polybotrya
   - hart's-tongue, hart's-tongue fern, Polybotrya cervina, Polybotria cervina

Type of: fern

• leu
• Leucadendron
• Leucadendron argenteum
• leucaemia
• Leucaena
• Leucaena glauca
• Leucaena leucocephala
• Leucanthemum
• Leucanthemum lacustre
• Leucanthemum maximum
• Leucanthemum superbum
• Leucanthemum vulgare
• leucine
• Leuciscus
• Leuciscus cephalus
• Leuciscus leuciscus
• leucite
• leuco-
• leucocyte
• leucocytosis
• leucocytozoan
• leucocytozoon
• Leucogenes
• Leucogenes leontopodium
• leucoma