Festuca vivipara
Viviparous Sheep's-fescue
Ficaria verna
Lesser Celandine
Ficus benghalensis
Banyan
Ficus kerkhovenii
Johore fig
Ficus variegata
Variegated Fig
Filago germanica
Common Cudweed
Foeniculum vulgare
Fennel
Fragaria ananassa
Garden Strawberry
Fragaria vesca
Wild Strawberry
Frangula alnus
Alder Buckthorn
Frankenia laevis
Sea-heath
Fraxinus excelsior
Ash
Fritillaria meleagris
Fritillary
Fritillaria pyrenaica
Pyrenean Snake's-head
Fuchsia magellanica
Fuchsia
Fumaria bastardii
Tall Ramping-fumitory
Fumaria capreolata
White Ramping-fumitory
Fumaria muralis
Common Ramping-fumitory
Fumaria officinalis
Common Fumitory
Gagea bohemica
Early Star-of-Bethlehem
Gagea lutea
Yellow Star-of-Bethlehem
Gagea serotina
Snowdon Lily
Galanthus woronowii
Green Snowdrop
Galeopsis angustifolia
Red Hemp-nettle
Galeopsis bifida
Bifid Hemp-nettle
Galeopsis tetrahit sens str
Common Hemp-nettle
Galium album
Hedge Bedstraw
Galium odoratum
Woodruff
Galium palustre
Marsh-bedstraw
Galium verum
Lady's Bedstraw
Gaultheria mucronata
Prickly Heath
Gaultheria shallon
Shallon
Genista anglica
Petty Whin
Genista pilosa
Hairy Greenweed
Genista tinctoria
Dyer's Greenweed
Gentiana verna
Spring Gentian
Gentianella amarella
Autumn Gentian
Gentianella germanica
Chiltern Gentian
Geranium columbinum
Long-stalked Crane's-bill
Geranium lucidum
Shining Crane's-bill
Geranium phaeum
Dusky Crane's-bill
Geranium pratense
Meadow Crane's-bill
Geranium pusillum
Small-flowered Crane's-bill
Geranium sanguineum
Bloody Crane's-bill
Geranium sylvaticum
Wood Crane's-bill
Geranium versicolor
Pencilled Crane's-bill
Geranium x oxonianum
Druce's Crane's-bill
Geum rivale
Water Avens
Geum urbanum
Wood Avens
Gladiolus papilio
Butterfly Sword Lily
Glebionis segetum
Corn Marigold
Gnaphalium uliginosum
Marsh Cudweed
Gomphocarpus physocarpus
Balloon Plant
Gomphrena serrata
Prostrate Globe Amaranth
Gymnadenia borealis
Heath Fragrant-orchid
Gymnadenia conopsea
Fragrant Orchid
Gymnocarpium dryopteris
Oak Fern
Hamamelis spp.
Witch-hazel
Hammarbya paludosa
Bog Orchid
Handkea utriformis
Mosaic Puffball
Hedera helix sens lat
Ivy
Helianthemum apenninum
White Rock-rose
Helianthemum nummularium
Common Rock-rose
Helianthemum oelandicum
Hoary Rock-rose
Helichrysum italicum
Curry-plant
Heliconia psittacorum
Parakeetflower
Helleborus foetidus
Stinking Hellebore
Helleborus viridis
Green Hellebore
Helminthotheca echioides
Bristly Oxtongue
Heracleum mantegazzianum
Giant Hogweed