Ohio florası listesi
H

Hackelia deflexa var. americana (N)
Hackelia virginiana (N)
Halesia tetraptera var. tetraptera (N)
Hamamelis virginiana (N)
Hasteola suaveolens (N)
Hedeoma hispida (N)
Hedeoma pulegioides (N)
Hedera helix (I)
Helenium amarum var. amarum (N)
Helenium autumnale var. autumnale (N)
Helenium flexuosum (N)
Helianthemum bicknellii (N)
Helianthemum canadense (N)
Helianthus × ambiguus (N)
Helianthus angustifolius (N)
Helianthus annuus (N)
Helianthus × brevifolius (N)
Helianthus × cinereus (N)
Helianthus decapetalus (N)
Helianthus divaricatus (N)
Helianthus × divariserratus (N)
Helianthus × doronicoides (N)
Helianthus giganteus (N)
Helianthus × glaucus (N)
Helianthus grosseserratus (N)
Helianthus hirsutus (N)
Helianthus × intermedius (N)
Helianthus × kellermanii (N)
Helianthus × laetiflorus (N)
Helianthus × luxurians (N)
Helianthus maximiliani (N)
Helianthus microcephalus (N)
Helianthus mollis (N)
Helianthus × multiflorus (N)
Helianthus occidentalis ssp. occidentalis (N)
Helianthus petiolaris ssp. petiolaris (N)
Helianthus salicifolius (N)
Helianthus strumosus (N)
Helianthus tuberosus (N)
Heliopsis helianthoides var. helianthoides (N)
Heliopsis helianthoides var. occidentalis (N)
Heliotropium europaeum (I)
Heliotropium indicum (I)
Helleborus viridis (I)
Hemerocallis fulva (I)
Hemerocallis lilioasphodelus (I)
Hepatica nobilis var. acuta (N)
Hepatica nobilis var. obtusa (N)
Heracleum maximum (N)
Hesperis matronalis (I)
Hesperostipa spartea (N)
Heteranthera dubia (N)
Heteranthera reniformis (N)
Heterotheca camporum var. camporum (N)
Heuchera americana var. americana (N)
Heuchera americana var. hirsuticaulis (N)
Heuchera americana var. hispida (N)
Heuchera longiflora (N)
Heuchera parviflora var. parviflora (N)
Heuchera villosa var. villosa (N)
Hexalectris spicata var. spicata (N)
Hibiscus laevis (N)
Hibiscus moscheutos (N)
Hibiscus syriacus (I)
Hibiscus trionum (I)
Hieracium aurantiacum (I)
Hieracium caespitosum (I)
Hieracium × flagellare var. flagellare (I)
Hieracium × floribundum (I)
Hieracium greenii (N)
Hieracium gronovii (N)
Hieracium kalmii var. fasciculatum (N)
Hieracium kalmii var. kalmii (N)
Hieracium longipilum (N)
Hieracium paniculatum (N)
Hieracium pilosella var. pilosella (I)
Hieracium piloselloides (I)
Hieracium scabrum var. scabrum (N)
Hieracium venosum (N)
Hierochloe hirta ssp. arctica (N)
Holcus lanatus (I)
Holosteum umbellatum (I)
Hordeum brachyantherum ssp. brachyantherum (N)
Hordeum jubatum ssp. jubatum (N)
Hordeum marinum ssp. gussonianum (I)
Hordeum pusillum (N)
Hordeum vulgare (I)
Hosta lancifolia (I)
Hosta ventricosa (I)
Hottonia inflata (N)
Houstonia caerulea (N)
Houstonia canadensis (N)
Houstonia longifolia (N)
Houstonia purpurea var. calycosa (N)
Houstonia purpurea var. purpurea (N)
Hudsonia tomentosa var. tomentosa (N)
Humulus japonicus (I)
Humulus lupulus var. lupuloides (N)
Humulus lupulus var. pubescens (N)
Humulus lupulus var. lupulus (I)
Huperzia × bartleyi (N)
Huperzia × buttersii (N)
Huperzia lucidula (N)
Huperzia porophila (N)
Hyacinthoides non-scripta (I)
Hybanthus concolor (N)
Hydrangea arborescens (N)
Hydrastis canadensis (N)
Hydrocotyle americana (N)
Hydrocotyle ranunculoides (N)
Hydrocotyle sibthorpioides (I)
Hydrocotyle umbellata (N)
Hydrophyllum appendiculatum (N)
Hydrophyllum canadense (N)
Hydrophyllum macrophyllum (N)
Hydrophyllum virginianum var. virginianum (N)
Hylotelephium telephioides (N)
Hylotelephium telephium ssp. telephium (I)
Hypericum ascyron (N)
Hypericum boreale (N)
Hypericum canadense (N)
Hypericum drummondii (N)
Hypericum ellipticum (N)
Hypericum gentianoides (N)
Hypericum gymnanthum (N)
Hypericum hypericoides ssp. multicaule (N)
Hypericum kalmianum (N)
Hypericum majus (N)
Hypericum mutilum (N)
Hypericum perforatum (I)
Hypericum prolificum (N)
Hypericum punctatum (N)
Hypericum sphaerocarpum (N)
Hypericum virgatum (N)
Hypochaeris glabra (I)
Hypochaeris radicata (I)
Hypoxis hirsuta (N)