Glechoma hederacea
Ground-ivy
Gloeocystis sp.
Glyceria declinata
Small Sweet-grass
Glyceria fluitans
Floating Sweet-grass
Glyceria sp.
Gnaphalium uliginosum
Marsh Cudweed
Goodyera repens
Creeping Lady's-tresses
Grimmia pulvinata
Grey-cushioned Grimmia
Griselinia littoralis
New Zealand Broadleaf
Guizotia abyssinica
Niger
Gunnera tinctoria
Giant-rhubarb
Gymnadenia borealis
Heath Fragrant-orchid
Gymnadenia conopsea
Fragrant Orchid
Gymnadenia densiflora
Marsh Fragrant-orchid
Gymnocarpium dryopteris
Oak Fern
Gymnocarpium robertianum
Limestone Fern
Gymnopilus junonius
Hammarbya paludosa
Bog Orchid
Handkea utriformis
Mosaic Puffball
Hedera helix
Common Ivy
Hedera hibernica
Atlantic Ivy
Helianthemum apenninum
White Rock-rose
Helianthemum nummularium
Common Rock-rose
Helianthemum oelandicum
Hoary Rock-rose