| Scientific Name |
Common Name |
Native Status |
|
|
|
|
|
Habenaria repens Nuttall
|
Water-spider Orchid, Floating Orchid |
N |
|
Hackelia virginiana (L.) I.M.Johnston
|
Virginia Stickseed |
N |
|
Hageniella micans (Mitt.) B. C. Tan & Y. Jia
|
|
N |
|
Halesia tetraptera Ellis
|
Silverbell, Common Silverbell |
N |
|
Hamamelis virginiana L. var. virginiana
|
Witch Hazel |
N |
|
Haplocladium microphyllum (Hedw.) Broth.
|
|
N |
|
Haplocladium virginianum (Brid.) Broth.
|
|
N |
|
Harpalejeunea molleri (Steph.) Grolle ssp. integra (R. M. Schust.) Damsh.
|
|
N |
|
Harpanthus scutatus (F. Weber & D. Mohr) Spruce
|
|
N |
|
Harperella nodosa Rose
|
Harperella |
N |
|
Hasteola suaveolens (L.) Pojarkova
|
Sweet-scented Indian-plantain |
N |
|
Hedeoma hispida Pursh
|
Rough Pennyroyal |
I |
|
Hedeoma pulegioides (L.) Pers.
|
American Pennyroyal |
N |
|
Hedera helix L.
|
English Ivy, Common Ivy |
I |
|
Hedera hibernica (G. Kirchner) Bean
|
Irish Ivy |
I |
|
Hedwigia ciliata (Hedw.) P. Beauv.
|
Medusa Moss |
N |
|
Helanthium tenellum (Martius) Britton
|
Dwarf Burhead |
N |
|
Helenium amarum (Raf.) H. Rock var. amarum
|
Bitterweed |
I |
|
Helenium autumnale L.
|
Common Sneezeweed, Autumn Sneezeweed |
N |
|
Helenium brevifolium (Nutt.) Wood
|
Short-leaf Sneezeweed |
N |
|
Helenium flexuosum Raf.
|
Southern Sneezeweed |
N |
|
Helenium virginicum Blake
|
Virginia Sneezeweed |
N |
|
Helianthus angustifolius L.
|
Narrow-leaved Sunflower |
N |
|
Helianthus annuus L.
|
Common Sunflower |
I |
|
Helianthus atrorubens L.
|
Purple-disk Sunflower |
N |
|
Helianthus debilis Nutt. ssp. cucumerifolius (Torr. & Gray) Heiser
|
Cucumber-leaf Sunflower |
I |
|
Helianthus decapetalus L.
|
Thin-leaved Sunflower |
N |
|
Helianthus divaricatus L.
|
Woodland Sunflower |
N |
|
Helianthus giganteus L.
|
Tall Sunflower, Giant Sunflower |
N |
|
Helianthus grosseserratus Martens
|
Sawtooth Sunflower |
I |
|
Helianthus hirsutus Raf.
|
Hairy Sunflower, Stiff-hair Sunflower |
N |
|
Helianthus laetiflorus Pers.
|
Showy Sunflower |
I |
|
Helianthus laevigatus Torr. & Gray
|
Smooth Sunflower |
N |
|
Helianthus maximiliani Schrad.
|
Maximilian Sunflower |
I |
|
Helianthus microcephalus Torr. & Gray
|
Small-headed Sunflower |
N |
|
Helianthus mollis Lam.
|
Ashy Sunflower |
I |
|
Helianthus occidentalis Riddell ssp. occidentalis
|
Western Sunflower |
N |
|
Helianthus pauciflorus Nutt. ssp. pauciflorus
|
Stiff Sunflower |
I |
|
Helianthus petiolaris Nutt. ssp. petiolaris
|
Plains Sunflower |
I |
|
Helianthus strumosus L.
|
Pale-leaved Sunflower |
N |
|
Helianthus tuberosus L.
|
Jerusalem Artichoke |
I |
|
Helianthus verticillatus Small
|
Whorled Sunflower |
|
|
Heliopsis helianthoides (L.) Sweet var. helianthoides
|
Oxeye, Smooth Oxeye |
N |
|
Heliotropium amplexicaule Vahl
|
Clasping Heliotrope, Wild Heliotrope |
I |
|
Heliotropium curassavicum L. var. curassavicum
|
Seaside Heliotrope |
N |
|
Heliotropium europaeum L.
|
European Heliotrope |
I |
|
Heliotropium indicum L.
|
Indian Heliotrope |
I |
|
Helleborus orientalis Lam.
|
Lenten-rose |
I |
|
Helleborus viridis L.
|
Green Hellebore, Christmas-rose, Lenten-rose |
I |
|
Helonias bullata L.
|
Swamp-pink |
N |
|
Hemerocallis fulva (L.) L.
|
Orange Day-lily, Tiger-lily |
I |
|
Hepatica acutiloba DC.
|
Sharp-lobed Hepatica, Sharp-lobed Liverleaf |
N |
|
Hepatica americana (DC.) Ker-Gawl.
|
Round-lobed Hepatica, Round-lobed Liverleaf |
N |
|
Heracleum maximum Bartr.
|
Cow-parsnip, Common Cow-parsnip |
N |
|
Herbertus tenuis (A. Evans) H.A. Mill. & E.B. Bohrer
|
|
N |
|
Herpetineuron toccoae (Sull. & Lesq.) Cardot
|
|
N |
|
Herzogiella striatella (Brid.) Z. Iwats.
|
|
N |
|
Herzogiella turfacea (Lindb.) Z. Iwats.
|
|
N |
|
Hesperis matronalis Linnaeus
|
Dame's Rocket |
I |
|
Heteranthera dubia (Jacquin) MacMillan
|
Water Stargrass |
N |
|
Heteranthera pauciflora C.N. Horn
|
Atlantic Mud Plantain |
N |
|
Heteranthera reniformis Ruiz & Pavon
|
Mud Plantain, Kidneyleaf Mud Plantain |
N |
|
Heterocladium macounii Best
|
|
N |
|
Heterophyllium affine (Hook.) M. Fleisch.
|
|
N |
|
Heterotheca camporum (Greene) Shinners var. glandulissima Semple
|
Nashville Camphorweed |
I |
|
Heterotheca subaxillaris (Lam.) Britt. & Rusby
|
Camphorweed, Dune Camphorweed |
N |
|
Heuchera alba Rydb.
|
White Alumroot |
N |
|
Heuchera americana L.
|
Alumroot, Americana Alumroot |
N |
|
Heuchera caroliniana (Rosendahl, Butters, & Lakela) Wells
|
Carolina Alumroot |
N |
|
Heuchera hispida Pursh
|
Purple Alumroot |
N |
|
Heuchera longiflora Rydb.
|
Long-flowered Alumroot |
N |
|
Heuchera parviflora Bartling var. parviflora
|
Small-flowered Alumroot |
N |
|
Heuchera pubescens Pursh
|
Marbled Alumroot |
N |
|
Heuchera villosa Michaux
|
Hairy Alumroot |
N |
|
Hexalectris spicata (Walter) Barnh.
|
Crested Coralroot |
N |
|
Hexasepalum radula (Willd.) Delprete & J.H. Kirkbride
|
Rough Buttonweed |
I |
|
Hexasepalum teres (Walter) J.H. Kirkbride
|
Common Buttonweed, Rough Buttonweed |
N |
|
Hexastylis arifolia (Michx.) Small
|
Little Brown Jug, Arrowleaf Heartleaf |
N |
|
Hexastylis chueyi (B.T. Sinn) Weakley & D.B. Poind.
|
Chuey's Evergreen Wild Ginger |
N |
|
Hexastylis contracta Blomquist
|
Mountain Heartleaf |
N |
|
Hexastylis heterophylla (Ashe) Small
|
Variable-leaf Heartleaf |
N |
|
Hexastylis lewisii (Fern.) Blomquist & Oosting
|
Lewis's Heartleaf |
N |
|
Hexastylis minor (Ashe) Blomquist
|
Little Heartleaf |
N |
|
Hexastylis ruthii (Ashe) Small
|
Appalachian Little Brown Jug |
N |
|
Hexastylis sorriei Gaddy
|
Sandhill Heartleaf |
N |
|
Hexastylis virginica (L.) Small
|
Virginia Heartleaf |
N |
|
Hibiscus aculeatus Walter
|
Savanna Hibiscus |
I |
|
Hibiscus coccineus Walt.
|
Scarlet Rose-mallow |
I |
|
Hibiscus laevis Allioni
|
Halberd-leaf Rose-mallow, Smooth Rose-mallow |
N |
|
Hibiscus moscheutos L.
|
Swamp Rose-mallow, Eastern Rose-mallow, Crimson-eyed Rose-mallow |
N |
|
Hibiscus syriacus L.
|
Rose-of-Sharon, Althaea |
I |
|
Hibiscus trionum L.
|
Flower-of-an-hour |
I |
|
Hieracium gronovii L.
|
Hairy Hawkweed |
N |
|
Hieracium paniculatum L.
|
Panicled Hawkweed, Alleghany Hawkweed |
N |
|
Hieracium scabrum Michx.
|
Rough Hawkweed |
N |
|
Hieracium traillii Greene
|
Maryland Hawkweed |
N |
|
Hieracium venosum L.
|
Rattlesnake Weed |
N |
|
Hierochloe hirta (Schrank) Borbás
|
Holy Grass, Sweet Grass, Vanilla Grass |
N |
|
Holcus lanatus L.
|
Common Velvet Grass |
I |
|
Holosteum umbellatum L. ssp. umbellatum
|
Jagged Chickweed |
I |
|
Homalia trichomanoides (Hedw.) Schimp. var. trichomanoides
|
|
N |
|
Homaliadelphus sharpii (R. S. Williams) Sharp
|
|
N |
|
Homalosorus pycnocarpos (Spreng.) Pichi-Sermolli
|
Glade Fern |
N |
|
Homalotheciella subcapillata (Hedw.) Broth.
|
|
N |
|
Homomallium adnatum (Hedw.) Broth.
|
|
N |
|
Honckenya peploides (L.) Ehrh. ssp. robusta (Fern.) Hulten
|
Sea-beach Sandwort, Sea Sandwort |
N |
|
Hookeria acutifolia Hooker & Greville
|
|
N |
|
Hordeum jubatum L. ssp. jubatum
|
Foxtail Barley |
|
|
Hordeum murinum L.
|
Wall Barley, False Barley |
I |
|
Hordeum pusillum Nutt.
|
Little Barley |
N |
|
Hordeum vulgare L.
|
Barley |
I |
|
Hosta ventricosa (Salisb.) Stearn
|
Blue Plantain-lily |
I |
|
Hottonia inflata Ell.
|
Featherfoil, Water-violet |
N |
|
Houstonia caerulea L.
|
Common Bluets, Azur Bluets, Quaker Ladies |
N |
|
Houstonia canadensis Willd. ex Roemer & J.A. Schultes
|
Canada Bluets |
N |
|
Houstonia longifolia Gaertn.
|
Longleaf Bluets |
N |
|
Houstonia micrantha (Shinners) Terrell
|
Small-anthered Bluet |
I |
|
Houstonia montana Small
|
Roan Mountain Bluets |
N |
|
Houstonia nigricans (Lamarck) Fernald var. nigricans
|
Glade Bluets, Diamond-flowers |
N |
|
Houstonia purpurea L.
|
Summer Bluets |
N |
|
Houstonia pusilla Schoepf
|
Tiny Bluets |
N |
|
Houstonia serpyllifolia Michx.
|
Thyme-leaf Bluets |
N |
|
Houstonia tenuifolia Nuttall
|
Narrowleaf Bluets, Diffuse-branched Bluets |
N |
|
Houttuynia cordata Thunb.
|
Chameleon Plant, Bishop's Weed |
I |
|
Hudsonia tomentosa Nutt.
|
Sand Heather, Woolly Beach Heather |
N |
|
Humulus japonicus Sieb. & Zucc.
|
Japanese Hops |
I |
|
Humulus lupulus L.
|
Common Hops |
|
|
Huperzia appressa (Desv.) A.& D. Love
|
Appalachian Fir Clubmoss, Appalachian Clubmoss, Appalachian Firmoss |
N |
|
Huperzia appressa × lucidula
|
|
N |
|
Huperzia lucidula (Michx.) Trevisan
|
Shining Clubmoss, Shining Firmoss |
N |
|
Huperzia porophila (Lloyd & Underwood) Holub
|
Rock Clubmoss |
N |
|
Huperzia porophila × lucidula
|
|
N |
|
Hyacinthoides hispanica (P. Mill.) Rothm.
|
Spanish Bluebell |
I |
|
Hyacinthoides nonscripta (L.) Chouard ex Rothm.
|
English Bluebell |
I |
|
Hyacinthus orientalis L.
|
Garden Hyacinth |
I |
|
Hydrangea arborescens L.
|
Wild Hydrangea, Smooth Hydrangea |
N |
|
Hydrangea barbara (L.) B. Schulz
|
Climbing Hydrangea, Woodvamp |
N |
|
Hydrastis canadensis L.
|
Golden-seal |
N |
|
Hydrilla verticillata (L.f.) Royle
|
Hydrilla |
I |
|
Hydrocotyle americana L.
|
American Water-pennywort, American Marsh-pennywort |
N |
|
Hydrocotyle bonariensis Lam.
|
Coastal Water-pennywort, Dune Water-pennywort, Large-leaf Pennywort |
N |
|
Hydrocotyle prolifera Kellogg
|
Whorled Marsh-pennywort |
N |
|
Hydrocotyle ranunculoides L. f.
|
Swamp Water-pennywort, Floating Marsh-pennywort |
N |
|
Hydrocotyle sibthorpioides Lam.
|
Lawn Water-pennywort |
I |
|
Hydrocotyle umbellata L.
|
Marsh Water-pennywort, Marsh-pennywort |
N |
|
Hydrocotyle verticillata Thunb.
|
Whorled Marsh-pennywort |
N |
|
Hydrolea quadrivalvis Walt.
|
Waterpod |
N |
|
Hydrophyllum canadense L.
|
Canada Waterleaf |
N |
|
Hydrophyllum macrophyllum Nutt.
|
Large-leaf Waterleaf, Hairy Waterleaf |
N |
|
Hydrophyllum virginianum L. var. atranthum (E.J. Alexander) Constance
|
Appalachian Waterleaf |
N |
|
Hydrophyllum virginianum L. var. virginianum
|
Virginia Waterleaf, Eastern Waterleaf |
N |
|
Hygroamblystegium varium (Hedw.) Mönkemeyer ssp. noterophilum (Sull. & Lesq.) Vanderporten & Hedenäs
|
|
N |
|
Hygroamblystegium varium (Hedw.) Mönkemeyer ssp. varium var. humile (P. Beauv.) Vanderpoorten & Hedenäs
|
|
N |
|
Hygroamblystegium varium (Hedw.) Mönkemeyer ssp. varium var. varium
|
Tangled Thread Moss |
N |
|
Hygrohypnum duriusculum (De Not.) D.W. Jamieson
|
Ruffled Brook Moss |
N |
|
Hygrohypnum eugyrium (Schimp.) Loeske
|
Swollen Brook Moss |
N |
|
Hygrohypnum luridum (hedw.) Jenn.
|
Stiff Brook Moss |
N |
|
Hygrohypnum molle (Hedw.) Loeske
|
|
N |
|
Hygrohypnum ochraceum (Turner ex Wilson) Loeske
|
|
N |
|
Hylocomiastrum umbratum (Hedw.) M. Fleisch. ex Broth.
|
|
N |
|
Hylocomium splendens (Hedw.) Schimp.
|
Stairstep Moss |
N |
|
Hylodesmum glutinosum (Muhl. ex Willld.) H. Ohashi & R.R. Mill
|
Pointed-leaf Tick-trefoil |
N |
|
Hylodesmum nudiflorum (L.) H. Ohashi & R.R. Mill
|
Naked-Flowered Tick-trefoil |
N |
|
Hylodesmum pauciflorum (Nutt.) H. Ohashi & R.R. Mill
|
Few-flowered Tick-trefoil |
N |
|
Hylotelephium erythrostictum (Miq.) H. Ohba
|
Garden Stonecrop, Garden Orpine |
I |
|
Hylotelephium telephioides (Michx.) H. Ohba
|
Allegheny Stonecrop, Allegheny Live-for-ever |
N |
|
Hylotelephium telephium (L.) H. Ohba
|
Live-for-ever |
I |
|
Hymenostylium recurvirostrum (Hedw.) Dixon var. recurvirostrum
|
|
N |
|
Hyophila involuta (Hook.) A. Jaeger
|
|
N |
|
Hypericum adpressum Raf. ex Barton
|
Bog St. John's-wort, Creeping St. John's-wort |
N |
|
Hypericum boreale (Britt.) Bickn.
|
Northern St. John's-wort |
N |
|
Hypericum canadense L.
|
Canada St. John's-wort |
N |
|
Hypericum crux-andreae (L.) Crantz
|
St. Peter's-wort |
N |
|
Hypericum densiflorum Pursh
|
Bushy St. John's-wort |
N |
|
Hypericum denticulatum Walt.
|
Coppery St. John's-wort |
N |
|
Hypericum drummondii (Grev. & Hooker) Torrey & A. Gray
|
Nits-and-lice, Drummond's St. John's-wort |
N |
|
Hypericum ellipticum Hooker
|
Pale St. John's-wort |
N |
|
Hypericum frondosum Michx.
|
Golden St. John's-wort, Cedar Glade St. John's-wort |
I |
|
Hypericum galioides Lamarck
|
Bedstraw St. John's-wort |
N |
|
Hypericum gentianoides (L.) B.S.P.
|
Pineweed, Orange-grass |
N |
|
Hypericum gymnanthum Engelm. & A. Gray
|
Clasping St. John's-wort, Clasping-leaf St. John's-wort |
N |
|
Hypericum hypericoides (L.) Crantz
|
St. Andrew's Cross |
N |
|
Hypericum interior Small
|
Interior Bushy St. John's-wort |
N |
|
Hypericum lloydii (Svenson) P. Adams
|
Sandhill St. John's-wort, Lloyd's St. John's-wort |
N |
|
Hypericum mitchellianum Rydb.
|
Blue Ridge St. John's-wort |
N |
|
Hypericum mutilum L.
|
Dwarf St. John's-wort |
N |
|
Hypericum nudiflorum Michx. ex Willd.
|
Early St. John's-wort |
N |
|
Hypericum perforatum L.
|
Common St. John's-wort |
I |
|
Hypericum prolificum L.
|
Shrubby St. John's-wort |
N |
|
Hypericum punctatum Lam.
|
Spotted St. John's-wort |
N |
|
Hypericum setosum L.
|
Hairy St. John's-wort |
N |
|
Hypericum stragulum P. Adams & Robson
|
Low St. Andrew's Cross |
N |
|
Hypericum virgatum Lam.
|
Sharp-leaf St. John's-wort |
N |
|
Hypnum cupressiforme Hedw. var. cupressiforme
|
|
N |
|
Hypnum cupressiforme var. filiforme Brid.
|
|
N |
|
Hypnum curvifolium Hedwig
|
Greater Plait Moss |
N |
|
Hypnum fauriei Cardot
|
Plait Moss |
N |
|
Hypnum imponens Hedwig
|
Brocade Moss |
N |
|
Hypnum lindbergii Mitt.
|
Pale Plait Moss |
N |
|
Hypnum pallescens (Hedw.) P. Beauv.
|
Lesser Plait Moss |
N |
|
Hypnum pratense Koch ex Spruce
|
|
N |
|
Hypochaeris radicata L.
|
Spotted Cat's-ear |
I |
|
Hypopitys monotropa Crantz
|
Pinesap |
N |
|
Hypoxis curtisii Rose
|
Curtiss' Yellow Stargrass, Swamp Stargrass |
N |
|
Hypoxis hirsuta (L.) Coville
|
Eastern Yellow Stargrass |
N |
|
Hypoxis sessilis L.
|
Glossy-seed Yellow Stargrass |
N |
|
Hypoxis wrightii (Baker) Brackett
|
Bristle-seed Yellow Stargrass, Wright's Stargrass |
N |
|
Hyptis mutabilis (A. Rich.) Briq.
|
Tropical Bushmint |
I |