Plants by Scientific Name

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Habenaria repens water-spider orchid Native Plant
Hamelia patens firebush Native Plant
Haplopappus divaricatus (syn. Croptilon divaricatum) scratch daisy Native Plant
Helianthus angustifolius var. canadense narrowleaf sunflower Native Plant
Helianthus radula rayless sunflower, stiff sunflower Native Plant
Heteranthera limosa mud plantain Non-native Plant
Hibiscus aculeatus comfort root Native Plant
Hibiscus coccineus marsh hibiscus, scarlet rosemallow Native Plant
Hibiscus grandiflorus swamp rosemallow Native Plant
Hippuris vulgaris mare’s-tail Non-native Plant
Houstonia procumbens innocence Native Plant
Hydrilla verticillata hydrilla Non-native Plant
Hydrocharis morsus-ranae European frog-bit Non-native Plant
Hydrocotyle species water pennywort Native Plant
Hydrolea corymbosa bladderpod; bagpod Native Plant
Hydrolea quadrivalvis waterpod Native Plant
Hygrophila costata (Syn. Hygrophila lacustris) lake hygrophila Native Plant
Hygrophila polysperma East Indian hygrophila Non-native Plant
Hymenachne amplexicaulis West Indian marsh grass Non-native Plant
Hypericum cistifolium (Syn. H. opacum) roundpod St. John's-Wort Native Plant
Hypericum fasciculatum peelbark St. John's-Wort Native Plant
Hypericum tetrapetalum fourpetal St. John's-Wort Native Plant
Hyptis alata musky mint; clustered bushmint Native Plant