There are 2526 taxa reported for South Florida.

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Scientific Name: Common Name: Native Status:
Habenaria distans Hammock false rein orchid Native
Habenaria floribunda Rein orchid, Toothpetal false reinorchid Native
Habenaria nivea Snowy orchid Native
Habenaria quinqueseta Longhorn false reinorchid Native
Habenaria repens Waterspider false reinorchid Native
Hackelochloa granularis Pitscalegrass Not Native, Naturalized
Haematoxylum campechianum Bloodwoodtree Not Native, Cultivated Only
Halodule wrightii Shoal-grass, Shoalweed Native
Halophila decipiens Caribbean seagrass Native
Halophila engelmannii Engelmann's seagrass Native
Halophila johnsonii Johnson's seagrass Native
Hamelia patens var. patens Firebush Native
Harpullia arborea Tulip-wood tree, uas Not Native, Naturalized
Harrisia aboriginum Aboriginal pricklyapples, Prickly applecactus Native
Harrisia fragrans Fragrant pricklyapples, Caribbean applecactus Native
Hedera helix English ivy Not Native, Naturalized
Hedychium coronarium White gingerlily Not Native, Naturalized
Helenium amarum Spanish-daisy, Bitterweed Native
Helenium flexuosum Sneezeweed, Purple sneezeweed Native
Helenium pinnatifidum Southeastern sneezeweed Native
Helianthus agrestis Southeastern sunflower Native
Helianthus angustifolius Narroleaf sunflower, Swamp sunflower Native
Helianthus annuus Annual sunflower, Common sunflower Not Native, Naturalized
Helianthus debilis subsp. vestitus West Coast dune sunflower Native
Helianthus debilis subsp. debilis East Coast dune sunflower Native
Helianthus radula Stiff sunflower Native
Heliconia latispatha Expanded lobsterclaw Not Native, Cultivated Only
Heliotropium angiospermum Scorpionstail Native
Heliotropium curassavicum Seaside heliotrope, Salt heliotrope Native
Heliotropium polyphyllum Pineland heliotrope Native
Hemarthria altissima Limpograss Not Native, Naturalized
Hemigraphis alternata Redivy Not Native, Naturalized
Hemigraphis reptans Redflame Not Native, Naturalized
Herissantia crispa Bladdermallow Native
Heteranthera limosa Blue mudplantain Assumed to be Native
Heteropogon contortus Tanglehead Doubtfully Native
Heteropogon melanocarpus Sweet tanglehead Native
Heteropterys brachiata Red-wing, Beechy's Withe Not Native, Naturalized
Heterosavia bahamensis Maidenbush, Bahama maidenbush Native
Heterotaxis sessilis Hidden orchid Native
Heterotheca subaxillaris Camphorweed Native
Hexalectris spicata Coralroot, Spiked crested coralroot Native
Hibiscus acetosella African rosemallow Not Native, Naturalized
Hibiscus cannabinus Brown Indianhemp, Kenaf Not Native, Naturalized
Hibiscus coccineus Scarlet rosemallow Native
Hibiscus elatus Cuban bast Not Native, Cultivated Only
Hibiscus furcellatus Lindenleaf rosemallow Native
Hibiscus grandiflorus Swamp hibiscus, Swamp rosemallow Native
Hibiscus mutabilis Cotton-rose, Confederate-rose, Dixie rosemallow Not Native, Cultivated Only
Hibiscus poeppigii Poeppig's rosemallow Native
Hibiscus radiatus Monarch rosemallow Not Native, Naturalized
Hibiscus rosa-sinensis Garden rosemallow, Shoe-back-plant Not Native, Naturalized
Hibiscus sabdariffa Roselle Not Native, Cultivated Only
Hibiscus schizopetalus Fringed rosemallow Not Native, Naturalized
Hibiscus tiliaceus var. tiliaceus Seaside mahoe, Sea hibiscus, mahoe Not Native, Naturalized
Hibiscus tiliaceus var. pernambucensis Not Native, Naturalized
Hieracium megacephalon Coastal plain hawkweed Native
Hippeastrum vittatum Barbados lily Not Native, Cultivated Only
Hippobroma longiflora Madamfate Not Native, Naturalized
Hippocratea volubilis Medicine vine Native
Hippomane mancinella Manchineel Native
Hiptage benghalensis Hiptage Not Native, Naturalized
Hohenbergia stellata Not Native, Cultivated Only
Holmskioldia sanguinea Chinese-hat, Mandarin's-hat Not Native, Naturalized
Hordeum vulgare Common barley Not Native, Naturalized
Houstonia procumbens Innocence, Roundleaf bluet Native
Huperzia dichotoma Hanging club-moss Native
Hura crepitans Sandboxtree Not Native, Naturalized
Hybanthus linearifolius Chancleta Not Native, Naturalized
Hydrilla verticillata Water-thyme Not Native, Naturalized
Hydrocotyle bonariensis Largeleaf marshpennywort Native
Hydrocotyle umbellata Manyflower marshpennywort Native
Hydrocotyle verticillata var. triradiata Whorled pennywort Native
Hydrocotyle verticillata var. verticillata Whorled marshpennywort Native
Hydrolea corymbosa Skyflower Native
Hydrolea spinosa Spiny false fiddleleaf Not Native, Naturalized
Hygrophila corymbosa Staghorn Not Native, Naturalized
Hygrophila polysperma Indian swampweed Not Native, Naturalized
Hylocereus undatus Nightblooming cereus Not Native, Naturalized
Hymenachne amplexicaulis Trompetilla Not Native, Naturalized
Hymenocallis latifolia Mangrove spiderlily, Perfumed spiderlily Native
Hymenocallis palmeri Alligatorlily Native
Hymenocallis puntagordensis Punta Gorda spiderlily Native
Hymenocallis tridentata Florida spiderlily Native
Hyophorbe verschafeltii Spindle palm Not Native, Cultivated Only
Hyparrhenia rufa Jaragua Not Native, Naturalized
Hypelate trifoliata White-ironwood, Inkwood Native
Hypericum brachyphyllum Coastalplain St. John's-wort Native
Hypericum cistifolium Roundpod St. John's-wort Native
Hypericum crux-andreae St. Peter's-wort Native
Hypericum edisonianum Ardadian St. John's-wort Native
Hypericum fasciculatum Sandweed, Peelbark St. John's-wort Native
Hypericum gentianoides Pineweeds, Orangegrass Native
Hypericum hypericoides St. Andrew's-cross Native
Hypericum mutilum Dwarf St. John's-wort Native
Hypericum myrtifolium Myrtleleaf St. John's-wort Native
Hypericum punctatum Spotted St. John's-wort Native
Hypericum reductum Atlantic St. John's-wort Native
Hypericum tetrapetalum Fourpetal St. John's-wort Native
Hypolepis repens Creeping bramble fern Native
Hypoxis curtissii Common yellow stargrass Native
Hypoxis juncea Fringed Yellow stargrass Native
Hypoxis sessilis Glossyseed yellow stargrass Native
Hypoxis wrightii Bristleseed yellow stargrass Native
Hyptis alata Musky mint, Clustered bushmint Native
Hyptis mutabilis Tropical bushmint Not Native, Naturalized
Hyptis pectinata Comb bushmint Not Native, Naturalized
Hyptis spicigera Marubio Not Native, Naturalized
Hyptis verticillata John Charles Not Native, Naturalized