Gagea, Genus
Galanthus, Genus
Galega, Genus
Galeopsis, Genus
Galinsoga, Genus
Galium, Genus
Genista, Genus
Gentiana, Genus
Gentianaceae, Family
Gentianales, Order
Gentianella, Genus
Gentianopsis, Genus
Geraniaceae, Family
Geraniales, Order
Geranium, Genus
Geum, Genus
Glaucium, Genus
Glaux, Genus
Glebionis, Genus
Glechoma, Genus
Glyceria, Genus
Glycine, Genus
Gnaphalium, Genus
Goodyera, Genus
Gratiola, Genus
Groenlandia, Genus
Grossulariaceae, Family
Guizotia, Genus
Guttiferae, Family
– synoniem van Hypericaceae, Family
Gymnadenia, Genus
Gymnocarpium, Genus
Gypsophila, Genus