List of vascular plants in Germany / H
- Hairy barley, woodland ( Hordelymus europaeus ) - Family: Poaceae
- Hair ledge, Alpine ( Trichophorum alpinum ) - Family: Cyperaceae
- Hair strand, medicinal ( Peucedanum officinale ) family: Apiaceae
- Hair strand, mountain ( Peucedanum oreoselinum ) - Family: Apiaceae
- Hair strand, Alsatian ( Peucedanum alsaticum ) - Family: Apiaceae
- Hair strand, caraway ( Peucedanum carvifolia ) - Family: Apiaceae
- Hair strand, swamp ( Peucedanum palustre ) - Family: Apiaceae
- Hawkweeds, real ( Hieracium subg. Hieracium ) - Family: Asteraceae - List of species of hawkweeds
- Hawkweeds, mouse-eared ( Hieracium subg. Pilosella ) - Family: Asteraceae - List of species of hawkweed
- Oats, aviation ( Avena fatua ) - Family: Poaceae
- Oats, sandy ( Avena strigosa ) - Family: Poaceae
- Oats, deaf ( Avena sterilis ) - Family: Poaceae
- Haferschmiele, early ( Aira praecox ) - Family: Poaceae
- Haferschmiele, clove ( Aira caryophyllea ) family: Poaceae
- Adhesive umbel, arable ( Caucalis platycarpos ) - Family: Apiaceae
- Adhesive umbel, broad-leaved ( Turgenia latifolia ) - Family: Apiaceae
- Buttercup, field ( Ranunculus arvensis ) - Family: Ranunculaceae
- Buttercup, Alpine ( Ranunculus alpestris ) - Family: Ranunculaceae
- Buttercup, hybridus ( Ranunculus hybridus ) - Family: Ranunculaceae
- Buttercup, Flammula ( Ranunculus flammula ) - Family: Ranunculaceae
- Buttercup, Monkshood ( Ranunculus aconitifolius ) - Family: Ranunculaceae
- Buttercup, mountain ( Ranunculus breyninus ) - Family: Ranunculaceae
- Buttercup, common mountain ( Ranunculus montanus ) - Family: Ranunculaceae
- Buttercup, common grove ( Ranunculus nemorosus ) - Family: Ranunculaceae
- Buttercup, poison ( Ranunculus sceleratus ) - Family: Ranunculaceae
- Buttercup, glacier ( Ranunculus glacialis ) - Family: Ranunculaceae
- Buttercup gold (species group) ( Ranunculus auricomus agg. ) - family: Ranunculaceae - species list gold buttercup
- Buttercup, Greniers Mountain- ( Ranunculus villarsii ) - Family: Ranunculaceae
- Buttercup, Heart-leaved ( Ranunculus parnassiifolius ) - Family: Ranunculaceae
- Buttercup, Illyrian ( Ranunculus illyricus ) - Family: Ranunculaceae
- Buttercup, Carinthian Mountain ( Ranunculus carinthiacus ) - Family: Ranunculaceae
- Buttercup, tuberous ( Ranunculus bulbosus ) - Family: Ranunculaceae
- Buttercup, Creeping ( Ranunculus repens ) - Family: Ranunculaceae
- Buttercup, Platanenblättriger ( Ranunculus platanifolius ) - Family: Ranunculaceae
- Buttercup, Polyanthemus-like Grove ( Ranunculus polyanthemoides ) - Family: Ranunculaceae
- Buttercup, Pontic ( Ranunculus ponticus ) - Family: Ranunculaceae
- Buttercup, Sardinian ( Ranunculus sardous ) - Family: Ranunculaceae
- Buttercup, Sharp ( Ranunculus acris ) - Family: Ranunculaceae
- Buttercup, slit-leaved grove ( Ranunculus polyanthemophyllus ) - Family: Ranunculaceae
- Buttercup, bank ( Ranunculus reptans ) - Family: Ranunculaceae
- Buttercup, Loggerhead Wenden- ( Ranunculus pseudocassubicus ) - Family: Ranunculaceae
- Buttercup, many-flowered grove ( Ranunculus polyanthemos ) - Family: Ranunculaceae
- Buttercup, woolly ( Ranunculus lanuginosus ) - Family: Ranunculaceae
- Buttercup, rooting grove ( Ranunculus serpens ) family: Ranunculaceae
- Buttercup, tongue ( Ranunculus lingua ) - Family: Ranunculaceae
- Hornbeam ( Carpinus betulus ) - Family: Betulaceae
- Grove lettuce ( Aposeris foetida ) - Family: Asteraceae
- Grove rims, ears of wheat ( Luzula spicata ) - Family: Juncaceae
- Hainsimse, Alpen- ( Luzula alpina ) - Family: Juncaceae
- Grove rims, hairy ( Luzula pilosa ) - Family: Juncaceae
- Grove mint, bleach ( Luzula pallidula ) - Family: Juncaceae
- Grove mint , brown ( Luzula alpinopilosa ) - Family: Juncaceae
- Grove, field ( Luzula campestris ) - Family: Juncaceae
- Hainsimse, Forsters ( Luzula forsteri ) - Family: Juncaceae
- Grove rims , yellowish ( Luzula luzulina ) - Family: Juncaceae
- Grove, bald ( Luzula glabrata ) - Family: Juncaceae
- Grove, heady ( Luzula congesta ) - Family: Juncaceae
- Grove , Pyrenean ( Luzula desvauxii ) - Family: Juncaceae
- Grove corn , slender field ( Luzula divulgata ) - Family: Juncaceae
- Grove rims, snow ( Luzula nivea ) - Family: Juncaceae
- Grove, Sudeten- ( Luzula sudetica ) - Family: Juncaceae
- Grove rims, many-flowered ( Luzula multiflora ) - Family: Juncaceae
- Grove, woodland ( Luzula sylvatica ) - Family: Juncaceae
- Grove rims, whitish ( Luzula luzuloides ) - Family: Juncaceae
- Handelwort, mosquito ( Gymnadenia conopsea ) family: Orchidaceae
- Händelwurz, Fragrant ( Gymnadenia odoratissima ) - Family: Orchidaceae
- Hemp ( Cannabis sativa ) - Family: Cannabaceae
- Hard grass ( Sclerochloa dura ) - Family: Poaceae
- Dogwood, blood red ( Cornus sanguinea ) - Family: Cornaceae
- Dogwood, Swedish ( Cornus suecica ) - Family: Cornaceae
- Dogwood, white ( Cornus sericea ) - Family: Cornaceae
- Hazel leaf blackberry (species group) ( Rubus corylifolius agg. ) - Family: Rosaceae - Small species list of hazel leaf blackberry
- Hazelnut ( Corylus avellana ) - Family: Betulaceae
- Hazel Root Common ( Asarum europaeum ) - Family: Aristolochiaceae
- Hare bells ( Hyacinthoides non-scripta ) - Family: Hyacinthaceae
- Hare lettuce ( Prenanthes purpurea ) - Family: Asteraceae
- Rabbit's ear, buttercup ( Bupleurum ranunculoides ) - Family: Apiaceae
- Rabbit's ear, jacquins ( Bupleurum gerardii ) - Family: Apiaceae
- Long-leaved rabbit ear ( Bupleurum longifolium ) - Family: Apiaceae
- Rabbit ear, round leaved ( Bupleurum rotundifolium ) - Family: Apiaceae
- Rabbit's ear, salt ( Bupleurum tenuissimum ) family: Apiaceae
- Rabbit's ear, sickle-leaved ( Bupleurum falcatum ) - Family: Apiaceae
- Restharrow, buck- ( Ononis arvensis ) - Family: Fabaceae
- Restharrow, thorny ( Ononis spinosa ) - Family: Fabaceae
- Restharrow, yellow ( Ononis natrix ) - Family: Fabaceae
- Restharrow, creeping ( Ononis repens ) - Family: Fabaceae
- Houseleek, roof ( Sempervivum tectorum ) family: Crassulaceae
- Houseleek, fringed ( Jovibarba globifera ) - Family: Crassulaceae
- Houseleek, cobweb ( Sempervivum arachnoideum ) - Family: Crassulaceae
- Skin fern, handsome ( Trichomanes speciosum ) - Family: Hymenophyllaceae
- Skin fern, English ( Hymenophyllum tunbrigense ) - Family: Hymenophyllaceae
- Honeysuckle, Alpine ( Lonicera alpigena ) - Family: Caprifoliaceae
- Honeysuckle, blue ( Lonicera caerulea ) - Family: Caprifoliaceae
- Honeysuckle, Red ( Lonicera xylosteum ) - Family: Caprifoliaceae
- Honeysuckle, black cherry ( Lonicera nigra ) - Family: Caprifoliaceae
- Dog Rose , False ( Rosa subcollina ) - Family: Rosaceae
- Hederich ( Raphanus raphanistrum ) - Family: Brassicaceae
- Heath, bell- ( Erica tetralix ) - Family: Ericaceae
- Heath, gray ( Erica cinerea ) - Family: Ericaceae
- Heath, snow ( Erica carnea ) - Family: Ericaceae
- Blueberry ( Vaccinium myrtillus ) - Family: Ericaceae
- Bilberry, bastard ( Vaccinium x intermedium ( Vaccinium myrtillus x V. vitis-idaea )) - Family: Ericaceae
- Medicinal bells, Alpine ( Cortusa matthioli ) family: Primulaceae
- Heilwurz ( Seseli libanotis ) - Family: Apiaceae
- Heinrich, Guter ( Chenopodium bonus-henricus ) - Family: Chenopodiaceae
- Henry's blackberry, Guter- ( Rubus bonus-henricus ) - Family: Rosaceae
- Hellerkraut, arable ( Thlaspi arvense ) family: Brassicaceae
- Hellerkraut, mountain ( Thlaspi montanum ) - Family: Brassicaceae
- Hellerkraut, calamine ( Thlaspi calaminare ) - Family: Brassicaceae
- Hellerkraut, mountain ( Thlaspi caerulescens ) family: Brassicaceae
- Hellerkraut, leek ( Thlaspi alliaceum ) - Family: Brassicaceae
- Hellerkraut, stem-embracing ( Thlaspi perfoliatum ) - Family: Brassicaceae
- Skullcap, Hohes ( Scutellaria altissima ) - Family: Lamiaceae
- Skullcap, small ( Scutellaria minor ) - Family: Lamiaceae
- Skullcap, Spießblättriges ( Scutellaria hastifolia ) - Family: Lamiaceae
- Skullcap, marsh ( Scutellaria galericulata ) - Family: Lamiaceae
- Heart leaf, swamp ( Parnassia palustris ) - Family: Parnassiaceae
- Motherwort, genuine ( Leonurus cardiaca ) - Family: Lamiaceae
- Motherwort, Filziges ( Leonurus marrubiastrum ) - Family: Lamiaceae
- Heart Spoon ( Caldesia parnassiifolia ) - Family: Alismataceae
- Hayweed, swamp ( Ludwigia palustris ) - Family: Onagraceae
- Hexenkraut, Alpine ( Circaea alpina ) - Family: Onagraceae
- Witchweed, common ( Circaea lutetiana ) - Family: Onagraceae
- Witch herb, medium ( Circaea x intermedia ( Circaea alpina x C. lutetiana )) - Family: Onagraceae
- Raspberry ( Rubus idaeus ) - Family: Rosaceae
- Raspberry, bastard ( Rubus x pseudidaeus ( Rubus caesius x R. idaeus )) - Family: Rosaceae
- Raspberry, Magnificent ( Rubus spectabilis ) - Family: Rosaceae
- Raspberry, cinnamon ( Rubus odoratus ) - Family: Rosaceae
- Ladder to Heaven, Blue ( Polemonium caeruleum ) - Family: Polemoniaceae
- Hirschsprung ( Corrigiola litoralis ) - Family: Molluginaceae
- Hirsch Wurz ( Peucedanum cervaria ) - Family: Apiaceae
- Deer tongue ( Asplenium scolopendrium ) - Family: Aspleniaceae
- Millet, hairy branches ( Panicum capillare ) - Family: Poaceae
- Millet, tassel visible ( Panicum miliaceum ) - Family: Poaceae
- Shepherd's Purse, Ordinary ( Capsella bursa-pastoris ) - Family: Brassicaceae
- Hollow egg yolk ( Myagrum perfoliatum ) - Family: Brassicaceae
- Same hollow, radiation ( Bifora radians ) - Family: Apiaceae
- Hollow tooth, broad-leaved ( Galeopsis ladanum ) - Family: Lamiaceae
- Hollow tooth, colorful ( Galeopsis speciosa ) - Family: Lamiaceae
- Hollow tooth, yellow ( Galeopsis segetum ) - Family: Lamiaceae
- Hollow tooth, common ( Galeopsis tetrahit ) - Family: Lamiaceae
- Hollow tooth, narrow-leaved ( Galeopsis angustifolia ) - Family: Lamiaceae
- Hollow tooth, double column ( Galeopsis bifida ) - Family: Lamiaceae
- Hollow tongue, green ( Coeloglossum viride ) - Family: Orchidaceae
- Elderberry, Black ( Sambucus nigra ) - Family: Adoxaceae
- Elderberry, grape ( Sambucus racemosa ) - Family: Adoxaceae
- Elder, dwarf ( Sambucus ebulus ) family: Adoxaceae
- Honeygrass, Soft ( Holcus mollis ) - Family: Poaceae
- Honeygrass, woolly ( Holcus lanatus ) - Family: Poaceae
- Hops, Common ( Humulus lupulus ) - Family: Cannabaceae
- Hop clover ( Medicago lupulina ) - Family: Fabaceae
- Horn leaf, rough ( Ceratophyllum demersum ) - Family: Ceratophyllaceae
- Horn leaf, tender ( Ceratophyllum submersum ) - Family: Ceratophyllaceae
- Horn clover, alpine ( Lotus alpinus ) family: Fabaceae
- Horn clover, common ( Lotus corniculatus ) - Family: Fabaceae
- Horn clover, narrow-leaved ( Lotus tenuis ) - Family: Fabaceae
- Horn clover, marsh ( Lotus pedunculatus ) - Family: Fabaceae
- Horn-headed, sickle-fruited ( Ceratocephala falcata ) - Family: Ranunculaceae
- Hornwort, arable ( Cerastium arvense ) family: Caryophyllaceae
- Hornwort, Alpine ( Cerastium alpinum ) - Family: Caryophyllaceae
- Hornwort, bearded ( Cerastium brachypetalum ) - Family: Caryophyllaceae
- Hornwort, pale ( Cerastium glutinosum ) - Family: Caryophyllaceae
- Hornwort, broad-leaved ( Cerastium latifolium ) - Family: Caryophyllaceae
- Hornwort, Dreigriffeliges ( Cerastium cerastoides ) - Family: Caryophyllaceae
- Hornwort, dark ( Cerastium pumilum ) - Family: Caryophyllaceae
- Hornwort, single-flowered ( Cerastium uniflorum ) - Family: Caryophyllaceae
- Hornwort, felty ( Cerastium tomentosum ) - Family: Caryophyllaceae
- Hornwort, Common ( Cerastium holosteoides ) - Family: Caryophyllaceae
- Hornwort, large fruited ( Cerastium lucorum ) - Family: Caryophyllaceae
- Hornwort, sticky ( Cerastium dubium ) - Family: Caryophyllaceae
- Hornwort, ball ( Cerastium glomeratum ) - Family: Caryophyllaceae
- Hornwort, spring ( Cerastium fontanum ) - Family: Caryophyllaceae
- Hornwort, sand ( Cerastium semidecandrum ) - Family: Caryophyllaceae
- Hornwort, Tenores ( Cerastium tenoreanum ) - Family: Caryophyllaceae
- Hornwort, four male ( Cerastium diffusum ) - Family: Caryophyllaceae
- Horn poppy, yellow poppy ( Glaucium flavum ) - Family: Papaveraceae
- Red horn poppy ( Glaucium corniculatum ) - Family: Papaveraceae
- Horseshoe clover ( Hippocrepis comosa ) - Family: Fabaceae
- Coltsfoot ( Tussilago farfara ) - Family: Asteraceae
- Chicken millet, bristle ( Echinochloa muricata ) - Family: Poaceae
- Chicken millet, Common ( Echinochloa crus-galli ) - Family: Poaceae
- Dog chamomile, arable ( Anthemis arvensis ) family: Asteraceae
- Dog chamomile, dyer's ( Anthemis tinctoria ) family: Asteraceae
- Dog chamomile, Austrian ( Anthemis austriaca ) - Family: Asteraceae
- Dog chamomile, Ruthenian ( Anthemis ruthenica ) - Family: Asteraceae
- Dog Chamomile, Smelly ( Anthemis cotula ) - Family: Asteraceae
- Dog parsley ( Aethusa cynapium ) - Family: Apiaceae
- Dog mustache, French ( Erucastrum gallicum ) - Family: Brassicaceae
- Dog mustache, blunt-edged ( Erucastrum nasturtiifolium ) - Family: Brassicaceae
- Dog Rose , False ( Rosa subcanina ) - Family: Rosaceae
- Dogwort ( Anacamptis pyramidalis ) - Family: Orchidaceae
- Dog tooth grass ( Cynodon dactylon ) - Family: Poaceae
- Dog's Tongue, German ( Cynoglossum germanicum ) - Family: Boraginaceae
- Dog's Tongue, Common ( Cynoglossum officinale ) - Family: Boraginaceae
- Hungerflower, spring ( Erophila verna ) family: Brassicaceae