Materia Medica Herbs beginning with: h           

Hematitum, see Iron oxide  
Haematoxylon campechianum- Bloodwood       
Haemodorum spicatum- Bloodroot lily
Hagenia abyssinica-  Kousso 
Hakea macrocarpa- Dogwood hakea
Haliotis funebris
Helianthus annuus- Common Sunflower  
Halophila spp- Sea grass
Hamamelis virginiana
Harpagophytum procumbens
Hedera helix- Common English ivy leaf  
Hedera sinensis- Chinese Ivy
Helianthemum canadense
Helianthus annuus- Common sunflower  
Helianthus tuberosus- Jerusalum artichoke
Helichrysum stoechas
Helichrysum luteoalbum- Jersey cudweed
Heliotropium ovalifolium-  Grey leaf heliotrope, Kai-kai
Helleborus niger
Hemerocallis fulva
Hemidesmus indica- Indian sarsaparilla
Hemsleya amabilis 
Heracleum rapula
Herniaria glabra- Smooth rupturewort
Herpetospermum pedunculosum 
Heteropogon contortus- Black speargrass
Hibiscus mutabilis
      "       syriacus- Rose of Sharon
      "       tiliaceus- Sea hibiscus
      "       vitifolius- Grape leaved mallow
Hippocampus kelloggi
Hippophae rhamnoides
Hirudo medicinalis
Homalomena occulta
Homo sapiens
Hordeum vulgare- Barley   
Houttuynia cordata- Fish mint
Hovenia dulcis- Japanese Raisen tree
Humulus lupulus- Hops   
Hybanthus enneaspermus. Spade flower, Yellowspade
Hydnocarpus anthelminticus- Chaulmoogra
Hydrocarpus kurzii- Chaulmoogra
Hydrangea arborescens
Hydrastis canadensis
Hydrilla verticillata- Pondweed
Hydriopsis cumingii
Hydrocotyle sibthorpioides, H. rotundifolia- Round leafed Pennywort  
Hydrolea zeylanica
Hylocereus undatus- Dragonfruit
Hyoscyamus niger   
Hypericum ascyron- Giant St Johns wort
      "            japonicum- Japanese St John's wort
      "           perforatum- St John's wort
      "           sampsonii- Sampson's St Johns wort
Hypoxis hemerocallidea- African star grass, African potato
Hyssopus officinalis