Hieracium daedalolepioides
Petite-leaved Hawkweed
Hieracium discophyllum
Disc-leaved Hawkweed
Hieracium inspissatum
Crass-leaved Hawkweed
Hieracium lanatum
Hieracium leyanum
Fat-leaved Hawkweed
Hieracium sect. Hieracioides
Hieracium sect. Oreadea
Hieracium sect. Sabauda
Hieracium sect. Stelligera
Hawkweed (Stelligera)
Hieracium sect. Vulgata
Hieracium spp
Hieracium subbritannicum
Limestone Hawkweed
Himantoglossum hircinum
Lizard Orchid
Hippeastrum
Amaryllis
Hippeastrum puniceum
Amaryllis Lily
Hippobroma longiflora
Star of Bethlehem
Hippocrepis comosa
Horseshoe Vetch
Hippophae rhamnoides
Sea-buckthorn
Hirschfeldia incana
Hoary Mustard
Holmskioldia sanguinea
Chinese Hat Plant
Honckenya peploides
Sea Sandwort
Hordeum distichon
Two-rowed Barley
Hornungia petraea
Hutchinsia
Houttuynia cordata
Fish-plant