Science magazines
- Flat-spired Three-toothed Snail
- Flattened Musk Turtle
- Flatwoods Salamander
- Fleshy Owl's-clover
- Florida Bonamia
- Florida Golden Aster
- Florida Grasshopper Sparrow
- Florida Key Deer
- Florida Perforate Cladonia
- Florida Salt Marsh Vole
- Florida Scrub-jay
- Florida Skullcap
- Florida Snail Kite
- Florida Torreya
- Florida Ziziphus
- Fosberg's Love Grass
- Foskett Speckled Dace
- Fountain Darter
- Fountain Thistle
- Four-petal Pawpaw