- genus Dicksonia
- genus Dennstaedtia
- Gleichenia
- genus Hymenophyllum
- genus Olfersia
- genus Botrychium
- genus Selaginella
- genus Angiopteris
- genus Drymoglossum
- genus Campyloneurum
- genus Thelypteris
- genus Onoclea
- genus Dryopteris
- genus Microsorium
- genus Ceterach
- genus Cryptogramma
- genus Polybotria
- genus Lophosoria
- genus Diplopterygium
- genus Doodia
- genus Equisetum
- genus Cheilanthes
- genus Cibotium
- genus Gymnocarpium
- genus Pecopteris
- genus Psilotum
- genus Onychium
- genus Cyclosorus
- genus Dicranopteris
- genus Trichomanes
- genus Sticherus
- genus Psilophyton
- genus Isoetes
- genus Salvinia
- genus Solanopteris
- genus Polybotrya
- genus Todea
- genus Nephrolepis
- galactorrhoea
- Golgi apparatus
- Golgi complex
- Gaucher's disease
- giant hives
- green card
- green bristlegrass
- genetive
- genetic screening
- glandular disease
- glandular disorder
- gland disease