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HAASTIA

HABENARIA

HABROPETALUM

HABZELIA

HAEMANTHUS

HAEMATOCARPUS

HAEMATOSTAPHIS

HAEMATOXYLUM

HAEMODORUM

HAGENIA

HAKEA

HALESIA

HALFORDIA

HALIMODENDRON

HALLERIA

HALOCNEMUM

HALOGETON

HALOPHILA

HALOSTACHYS

HALOXYLON

HAMAMELIS

HAMELIA

HANBURIA

HANCORNIA

HANDROANTHUS

HANNOA

HAPLOCLATHRA

HAPLOLOBUS

HAPLOPAPPUS

HAPLOPHRAGMA

HAPLORMOSIA

HARDWICKIA

HARLEYODENDRON

HARMSIOPANAX

HARONGA

HARPAGOPHYTUM

HARPALYCE

HARPEPHYLLUM

HARPULLIA

HARRISONIA

HARTOGIA

HARUNGANA

HAUMANIASTRUM

HAUSSMANNIA

HEBE

HEBEPETALUM

HEBERDENIA

HEBESTIGMA

HEDEOMA

HEDERA

HEDWIGIA

HEDYCARPUS

HEDYCARYA

HEDYCHIUM

HEDYOSMUM

HEDYOTIS

HEDYSARUM

HEDYSCEPE

HEERIA

HEIMIA

HEINSENIA

HEINSIA

HEISTERIA

HELENIUM

HELEOCHARIS

HELIANTHEMUM

HELIANTHUS

HELICHRYSUM

HELICIA

HELICIOPSIS

HELICONIA

HELICOSTYLIS

HELICTERES

HELICTOTRICHON

HELIETTA

HELIOCARPUS

HELIOPHILA

HELIOTROPIUM

HELLEBORUS

HELLENIA

HELONIAS

HEMANDRADENIA

HEMEROCALLIS

HEMICHAENA

HEMICYCLIA

HEMIDESMUS

HEMITELIA

HEMIZONIA

HENNECARTIA

HENRIETTEA

HEPATICA

HEPTAPLEURUM

HERACLEUM

HERITIERA

HERMANNIA

HERMAS

HERMINIERA

HERMODACTYLUS

HERNANDIA

HERNIARIA

HERPESTIS

HERRANIA

HERRERIA

HESPERETHUSA

HESPEROTHAMNUS

HETERODENDRUM

HETEROMELES

HETEROMORPHA

HETEROPANAX

HETEROPHRAGMA

HETEROPOGON

HETEROPSIS

HETEROPTERIS

HETEROPTERYS

HETEROPYXIS

HETEROSPATHE

HETEROTHECA

HEUCHERA

HEVEA

HEXACHLAMYS

HEXALOBUS

HEYNEA

HEYWOODIA

HIBBERTIA

HIBISCUS

HICKSBEACHIA

HICORIA

HIERACIUM

HIEROCHLOE

HIERONYMA

HILDEGARDIA

HILLIA

HIMALAYACALAMUS

HIMATANTHUS

HIPPOBROMUS

HIPPOCRATEA

HIPPOMANE

HIPPOPHAE

HIPTAGE

HIRTELLA

HODGKINSONIA

HODGSONIA

HOFFMANNSEGGIA

HOHERIA

HOLALAFIA

HOLARRHENA

HOLBOELLIA

HOLCUS

HOLIGARNA

HOLLANDAEA

HOLOCALYX

HOLOPTELEA

HOMALANTHUS

HOMALIUM

HOMALOMENA

HOMERIA

HONCKENYA

HOODIA

HOPEA

HORDEUM

HORNEA

HORNSCHUCHIA

HORNSTEDTIA

HORRIDOCACTUS

HORSFIELDIA

HORTIA

HORTONIA

HOSLUNDIA

HOUTTUYNIA

HOVEA

HOVENIA

HOWEA

HOYA

HUBERODENDRON

HUGONIA

HUMIRIA

HUMIRIANTHERA

HUMIRIASTRUM

HUMULUS

HUNTERIA

HURA

HYACINTHOIDES

HYAENANCHE

HYBANTHUS

HYBOSEMA

HYDNOCARPUS

HYDNOPHYTUM

HYDNORA

HYDRANGEA

HYDRASTIS

HYDRIASTELE

HYDROCHARIS

HYDROCOTYLE

HYDRODEA

HYDROGASTER

HYDROPYRUM

HYERONIMA

HYGROPHILA

HYLOCEREUS

HYLODENDRON

HYLOTELEPHIUM

HYMENAEA

HYMENANTHERA

HYMENOCARDIA

HYMENODICTYON

HYMENOLOBIUM

HYMENOSPORUM

HYMENOSTEGIA

HYMENOXYS

HYOPHORBE

HYOSCYAMUS

HYOSPATHE

HYPARRHENIA

HYPELATE

HYPERANTHERA

HYPERBAENA

HYPERICUM

HYPERTHELIA

HYPHAENE

HYPOCALYMMA

HYPODAPHNIS

HYPODISCUS

HYPOESTES

HYPOLAENA

HYPSERPA

HYPTIS

HYSSOPUS