Haematocarpus, Genus
Haematoxylum, Genus
Haemodoraceae, Familia
Haemodorum, Genus
Haldina, Genus
Halfordia, Genus
Hallieracantha, Genus
Halodule, Genus
Halopegia, Genus
Halophila, Genus
Haloragaceae, Familia
Haloragis, Genus
Halosarcia, Genus
Haloxylon, Genus
Hamamelidaceae, Familia
Hamelia, Genus
Hanguana, Genus
Hanguanaceae, Familia
Hanslia, Genus
Haplolobus, Genus
Harmandia, Genus
Harmsiopanax, Genus
Harpullia, Genus
Harrisonia, Genus
Hederella, Genus
Hedychium, Genus
Hedyosmum, Genus
Hedyotis, Genus
Hegnera, Genus
Helicia, Genus
Heliciopsis, Genus
Heliconia, Genus
Heliconiaceae, Familia
Helicteres, Genus
Heliotropium, Genus
Helixanthera, Genus
Helwingia, Genus
Helwingiaceae, Familia
Hemerocallidoideae, Subfamilia
Hemiboea, Genus
Hemiboeopsis, Genus
Hemiscolopia, Genus
Henckelia, Genus
Heracleum, Genus
Heritiera, Genus
Hernandia, Genus
Hernandiaceae, Familia
Hernandiaceae (Gyrocarpaceae), Familia
Heteroaridarum, Genus
Heteroblemma, Genus
Heteropanax, Genus
Heterophragma, Genus
Heterosmilax, Genus
Heterostemma, Genus
Hevea, Genus
Hexapora, Genus
Heynea, Genus
Hibbertia, Genus
Hibiscus, Genus
Hieris, Genus
Hildegardia, Genus
Himantandraceae, Familia
Hippobroma, Genus
Hippocastanaceae, Familia
Hippuridaceae, Familia
Hippuris, Genus
Hiptage, Genus
Hodgsonia, Genus
Holarrhena, Genus
Holboellia, Genus
Holigarna, Genus
Holmskioldia, Genus
Holoptelea, Genus
Holostemma, Genus
Holttumochloa, Genus
Homalanthus, Genus
Homalium, Genus
Homalomena, Genus
Homonoia, Genus
Honckenya, Genus
Hopea, Genus
Hornstedtia, Genus
Horsfieldia, Genus
Hosea, Genus
Houttuynia, Genus
Hoya, Genus
Hugonia, Genus
Hulemacanthus, Genus
Hullettia, Genus
Hunga, Genus
Hunteria, Genus
Huodendron, Genus
Hura, Genus
Hybanthus, Genus
Hydnocarpus, Genus
Hydnophytum, Genus
Hydrangea, Genus
Hydrangeaceae, Familia
Hydriastele, Genus
Hydrilla, Genus
Hydrobryum, Genus
Hydrocharis, Genus
Hydrocharitaceae, Familia
Hydrocotyle, Genus
Hydrolea, Genus
Hydroleaceae, Familia
Hydrophylax, Genus
Hydrostemma, Genus
Hygrophila, Genus
Hylodesmum, Genus
Hymenaea, Genus
Hymenocardia, Genus
Hymenodictyon, Genus
Hymenopyramis, Genus
Hymenosporum, Genus
Hypericaceae, Familia
Hypericum, Genus
Hypobathrum, Genus
Hypoestes, Genus
Hypolytrum, Genus
Hypoxidaceae, Familia
Hypoxis, Genus
Hypserpa, Genus
Hyptis, Genus