Guizotia abyssinica
Niger
Gymnadenia conopsea
Fragrant Orchid
Gymnocarpium robertianum
Limestone Fern
Gymnopilus junonius
Hamelia patens
Firebush
Hammarbya paludosa
Bog Orchid
Handkea utriformis
Mosaic Puffball
Helianthemum nummularium
Common Rock-rose
Helichrysum arenarium
Heliconia monteverdensis
Lobster-claws
Heliconia psittacorum
Parrot's Beak
Heliconia rostrata
Hanging Lobster Claw
Heliotropium indicum
Indian Heliotrope
Helleborus foetidus
Stinking Hellebore
Helleborus viridis
Green Hellebore
Hellenia speciosa
Crêpe Ginger
Helminthotheca echioides
Bristly Oxtongue
Henosepilachna argus
Bryony Ladybird
Heptapleurum arboricola
Dwarf Umbrella Tree
Heracleum mantegazzianum
Giant Hogweed
Hesperis matronalis
Dame's-violet
Hibiscus tiliaceus
Sea Hibiscus
Hieracium breconicola
Beacon's Hawkweed
Hieracium inspissatum
Crass-leaved Hawkweed