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

Type of: fern

• Macropus
• Macropus agiles
• Macropus giganteus
• Macrorhamphosidae
• macroscopic
• macroscopic anatomy
• macroscopical
• macroscopically
• macrosporangium
• macrospore
• Macrothelypteris
• Macrotis
• Macrotis lagotis
• macrotus
• Macrotus californicus
• Macrotyloma
• Macrotyloma uniflorum
• Macrouridae
• macrozamia
• Macrozamia communis
• Macrozamia spiralis
• Macrozoarces
• Macrozoarces americanus
• Macruridae
• macula