Families (As per The Plant List)

 
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

G

Gentianaceae - 21 (Canscora decurrens, Canscora decussata, Canscora diffusa, Canscora heteroclita, Canscora pauciflora, Canscora perfoliata, Canscora wallichii, Centaurium centaurioides, Enicostema axillare subsp. axillare, Exacum bicolor, Exacum pedunculatum, Exacum perrottetii, Exacum petiolare, Exacum pumilum, Exacum sessile, Hoppea dichotoma, Hoppea fastigiata, Swertia angustifolia var. pulchella, Swertia corymbosa, Swertia minor, Swertia wightiana)

Geraniaceae - 1 (Pelargonium graveolens)

Gesneriaceae - 8 (Aeschynanthus parasiticus, Chirita hamosa, Didymocarpus innominatus, Didymocarpus lyrata, Didymocarpus pygmaeus, Didymocarpus tomentosus, Epithema carnosum var. hispida, Rhynchoglossum obliquum)

Gisekiaceae - 1 (Gisekia pharnaceoides)

Gleicheniaceae - 1 (Dicranopteris linearis)

Gnetaceae - 2 (Gnetum montanum, Gnetum ula)

Goodeniaceae - 1 (Scaevola taccada)