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7974 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Hedysarum sulphurescens Rydb.	white sweetvetch
Heimia salicifolia (Kunth) Link	Shrubby Yellowcrest
Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm.	Pygmy Chain Sword
Helenium amarum (Raf.) H. Rock	Sneezeweed
Helenium autumnale L.	common sneezeweed
Helenium drummondii H. Rock	fringed sneezeweed
Helenium elegans DC.	pretty sneezeweed
Helenium flexuosum Raf.	Purplehead Sneezeweed
Helenium linifolium Rydb.	slimleaf sneezeweed
Helenium microcephalum DC.	smallhead sneezeweed
Helenium quadridentatum Labill.	Longdisk Sneezeweed
Helenium vernale Walter	savannah sneezeweed
Helenium virginicum S.F. Blake	Virginia Sneezeweed
Helianthella parryi A. Gray	Parry's Dwarf-Sunflower
Helianthella quinquenervis (Hook.) A. Gray	fivenerve helianthella
Helianthella uniflora (Nutt.) Torr. & A. Gray	oneflower helianthella
Helianthus ×laetiflorus Pers.	Cheerful Sunflower
Helianthus angustifolius L.	Narrowleaf Sunflower	✓
Helianthus annuus L.	Common Sunflower
Helianthus argophyllus Torr. & A. Gray	silverleaf sunflower
Helianthus atrorubens L.	Purpledisk Sunflower
Helianthus ciliaris DC.	Texas Blueweed
Helianthus debilis Nutt.	Cucumberleaf Sunflower
Helianthus decapetalus L.	Thinleaf Sunflower
Helianthus divaricatus L.	woodland sunflower
Helianthus floridanus A. Gray ex Chapm.	Florida Sunflower
Helianthus giganteus L.	Giant Sunflower
Helianthus grosseserratus M. Martens	Sawtooth Sunflower
Helianthus hirsutus Raf.	hairy sunflower
Helianthus laciniatus A. Gray	alkali sunflower
Helianthus maximiliani Schrad.	Maximilian Sunflower
Helianthus mollis Lam.	Ashy Sunflower
Helianthus neglectus Heiser	neglected sunflower
Helianthus nuttallii Torr. & A. Gray	Nuttall's Sunflower
Helianthus occidentalis Riddell	fewleaf sunflower
Helianthus paradoxus Heiser	paradox sunflower
Helianthus pauciflorus Nutt.	Stiff Sunflower
Helianthus petiolaris Nutt.	Prairie Sunflower
Helianthus praecox Engelm. & A. Gray	Texas sunflower
Helianthus pumilus Nutt.	Little Sunflower
Helianthus salicifolius A. Dietr.	Willowleaf Sunflower
Helianthus silphioides Nutt.	Rosinweed Sunflower
Helianthus simulans E.E. Watson	Muck Sunflower
Helianthus strumosus L.	paleleaf woodland sunflower
Helianthus tuberosus L.	Jerusalem Artichoke
Helictotrichon mortonianum (Scribn.) Henr.	Morton's Alpine Oatgrass
Helietta parvifolia (A. Gray ex Hemsl.) Benth.	barreta
Heliomeris hispida (A. Gray) Cockerell	rough false goldeneye
Heliomeris longifolia (B.L. Rob. & Greenm.) Cockerell	longleaf false goldeneye
Heliomeris multiflora Nutt.	showy goldeneye
Heliopsis helianthoides (L.) Sweet	Smooth Oxeye
Heliotropium amplexicaule Vahl	Clasping Heliotrope
Heliotropium angiospermum Murray	scorpion's-tail
Heliotropium confertifolium (Torr.) Torr. ex A. Gray	leafy heliotrope
Heliotropium convolvulaceum (Nutt.) A. Gray	phlox heliotrope
Heliotropium curassavicum L.	salt heliotrope
Heliotropium europaeum L.	European heliotrope
Heliotropium glabriusculum (Torr.) A. Gray	greeneye heliotrope
Heliotropium greggii Torr.	fragrant heliotrope
Heliotropium indicum L.	Indian Heliotrope
Heliotropium racemosum Rose & Standl.	coastal plain heliotrope
Heliotropium tenellum (Nutt.) Torr.	pasture heliotrope
Heliotropium texanum I.M. Johnst.	Texas heliotrope
Heliotropium torreyi I.M. Johnst.	slimleaf heliotrope
Hemarthria altissima (Poir.) Stapf & C.E. Hubbard	limpograss
Hemerocallis fulva (L.) L.	orange daylily
Hemerocallis lilioasphodelus L.	yellow daylily
Hemionitis artax Christenh.	Powdery False Cloak Fern
Hemionitis gastonyi (Windham) Christenh.	Gastony's Cliffbrake
Hemionitis gracillima (D.C.Eaton)	Lace Lipfern
Hemionitis leucopoda (Link) Christenh.	Whitefoot Lipfern
Hemionitis ovata (Desv.) Christenh.	Ovateleaf Cliffbrake
Hepatica americana (DC.) Ker Gawl.	Roundleaf Liverleaf
Hepatica nobilis Schreb.	Hepatica
Heracleum mantegazzianum Sommier & Levier	Giant Hogweed
Heracleum maximum W. Bartram	Common Cowparsnip
Herbertia lahue (Molina) Goldblatt	prairienymph
Herissantia crispa (L.) Briz.	bladdermallow
Hermannia texana A. Gray	Texas burstwort
Herniaria glabra L.	smooth rupturewort
Hesperaloe funifera (Lem.) Trel.	New Mexico False Yucca
Hesperaloe parviflora (Torr.) J.M. Coult.	Redflower False Yucca
Hesperis matronalis L.	Dame's Rocket
Hesperochiron californicus (Benth.) S. Watson	California hesperochiron
Hesperochiron pumilus (Douglas ex Griseb.) Porter	dwarf hesperochiron
Hesperocyparis arizonica (Greene) Bartel	Arizona cypress
Hesperostipa comata (Trin. & Rupr.) Barkworth	Needle-and-Thread Grass
Hesperostipa curtiseta (Hitchc.) Barkworth	shortbristle needle and thread
Hesperostipa neomexicana (Thurb. ex J.M. Coult.) Barkworth	New Mexico feathergrass
Hesperostipa spartea (Trin.) Barkworth	Porcupinegrass
Heteranthera dubia (Jacq.) MacMill.	grassleaf mudplantain
Heteranthera limosa (Sw.) Willd.	blue mudplantain
Heteranthera mexicana S. Watson	Mexican mudplantain
Heteranthera multiflora (Griseb.) Horn	bouquet mudplantain
Heteranthera reniformis Ruiz & Pav.	kidneyleaf mudplantain
Heteranthera rotundifolia (Kunth) Griseb.	roundleaf mudplantain
Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.	Tanglehead
Heteropogon melanocarpus (Elliott) Elliott ex Benth.	sweet tanglehead
Heterosperma pinnatum Cav.	wingpetal
Heterotheca camporum (Greene) Shinners	Lemonyellow False Goldenaster
Heterotheca canescens (DC.) Shinners	hoary false goldenaster
Heterotheca fulcrata (Greene) Shinners	rockyscree false goldenaster
Heterotheca pumila (Greene) Semple	Alpine False Goldenaster
Heterotheca stenophylla (A. Gray) Shinners	stiffleaf false goldenaster
Heterotheca subaxillaris (Lam.) Britton & Rusby	Camphorweed
Heterotheca villosa (Pursh) Shinners	hairy false goldenaster
Heterotheca viscida (A. Gray) V.L. Harms	cliff false goldenaster
Heterotheca zionensis Semple	Zion false goldenaster
Heuchera americana L.	American alumroot
Heuchera bracteata (Torr.) Ser.	Bracted Alumroot
Heuchera cylindrica Douglas ex Hook.	roundleaf alumroot
Heuchera grossulariifolia Rydb.	gooseberryleaf alumroot
Heuchera hallii A. Gray	Front Range Alumroot
Heuchera novomexicana Wheelock	New Mexico alumroot
Heuchera parvifolia Nutt. ex Torr. & A. Gray	Littleleaf Alumroot
Heuchera pulchella Wooton & Standl.	Sandia Mountain Alumroot
Heuchera richardsonii R. Br.	Richardson's Alumroot
Heuchera rubescens Torr.	Pink Alumroot
Heuchera woodsiaphila P.J. Alexander	Capitan Mountains Alumroot
Heuchera wootonii Rydb.	White Mountain Alumroot
Hexalectris arizonica (S.Watson) A.H. Kenn. & L.E. Watson	spiked crested coralroot
Hexalectris nitida L.O. Williams	Glass Mountain crested coralroot
Hexalectris revoluta Correll	Chisos Mountain crested coralroot
Hexalectris spicata (Walter) Barnhart	spiked crested coralroot
Hexalectris warnockii Ames & Correll	Texas crested coralroot
Hexasepalum teres (Walter) J.H.Kirkbr.	Poorjoe
Hibiscus aculeatus Walter	comfortroot
Hibiscus coccineus Walter	Scarlet Rosemallow
Hibiscus coulteri Harv. ex A. Gray	desert rosemallow
Hibiscus denudatus Benth.	paleface
Hibiscus grandiflorus Michx.	swamp rosemallow
Hibiscus laevis All.	Halberdleaf Rosemallow
Hibiscus martianus Zucc.	heartleaf rosemallow
Hibiscus moscheutos L.	Crimsoneyed Rosemallow
Hibiscus moscheutos subsp. lasiocarpos (Cav.) O.J.Blanch.	Hairy-Fruited Hibiscus
Hibiscus striatus Cav.	striped rosemallow
Hibiscus syriacus L.	Rose of Sharon
Hibiscus trionum L.	flower of an hour
Hieracium albiflorum Hook.	white hawkweed
Hieracium caespitosum Dumort.	meadow hawkweed
Hieracium carneum Greene	Huachuca hawkweed
Hieracium fendleri Sch. Bip.	yellow hawkweed
Hieracium gronovii L.	queendevil
Hieracium lachenalii C.C. Gmel.	common hawkweed
Hieracium longipilum Torr.	hairy hawkweed
Hieracium pringlei A. Gray	Pringle's hawkweed
Hieracium scabrum Michx.	Rough Hawkweed
Hieracium scouleri Hook.	Scouler's Woollyweed
Hieracium triste Willd. ex Spreng.	woolly hawkweed
Hieracium umbellatum L.	Canada Hawkweed
Hieracium venosum L.	rattlesnakeweed
Hierochloe hirta (Schrank) Borbás	Northern Sweetgrass
Hilaria belangeri (Steud.) Nash	Curly-mesquite
Hilaria jamesii (Torr.) Benth.	James' Galleta
Hippophae rhamnoides L.	Seaberry
Hippuris vulgaris L.	common mare's-tail
Hoffmannseggia drepanocarpa A. Gray	sicklepod holdback
Hoffmannseggia drummondii Torr. & A. Gray	dwarf nicker
Hoffmannseggia glauca (Ortega) Eifert	Indian rushpea
Hoffmannseggia oxycarpa Benth. ex A. Gray	sharppod rushpea
Hoffmannseggia tenella Tharp & L.O. Williams	slender rushpea
Holcus lanatus L.	Common Velvetgrass
Holodiscus discolor (Pursh) Maxim.	oceanspray
Holodiscus dumosus (Nutt. ex Hook.) A. Heller	Rockspirea
Holosteum umbellatum L.	Jagged Chickweed
Homalosorus pycnocarpos (Spreng.) Pic.Serm.	Glade Fern
Hopia obtusa (Kunth) Zuloaga & Morrone	Vine Mesquite
Hordeum brachyantherum Nevski	meadow barley
Hordeum jubatum L.	Foxtail Barley
Hordeum marinum Huds.	seaside barley
Hordeum murinum L.	mouse barley
Hordeum pusillum Nutt.	Little Barley
Hordeum vulgare L.	common barley
Hornungia procumbens (L.) Hayek	prostrate hutchinsia
Hottonia inflata Elliott	American featherfoil
Houstonia acerosa (A. Gray) A. Gray ex Benth. & Hook. f.	needleleaf bluet
Houstonia caerulea L.	azure bluet
Houstonia correllii (W.H. Lewis) Terrell	Correll's bluet
Houstonia croftiae Britton & Rusby	Croft's bluet
Houstonia humifusa (A. Gray) A. Gray	matted bluet
Houstonia longifolia Gaertn.	longleaf summer bluet
Houstonia micrantha (Shinners) Terrell	southern bluet
Houstonia ouachitana (E.B. Sm.) Terrell	Ouachita Bluet
Houstonia parviflora Holz. ex Greenm.	Greenman's bluet
Houstonia purpurea L.	Venus' pride
Houstonia pusilla Schoepf	tiny bluet
Houstonia rosea (Raf.) Terrell	rose bluet
Houstonia rubra Cav.	red bluet
Houstonia subviscosa (C. Wright ex A. Gray) A. Gray	nodding bluet
Houstonia wrightii A. Gray	pygmy bluet
Houttuynia cordata Thunb.	Chameleon Plant
Hovenia dulcis Thunb.	Japanese Raisintree
Hudsonia tomentosa Nutt.	woolly beachheather
Hulsea algida A. Gray	Pacific Hulsea
Humulus japonicus Siebold & Zucc.	Japanese Hop	✓
Hunzikeria texana (Torr.) D'Arcy	Texas Cupflower
Huperzia haleakalae (Brack.) Holub	Pacific clubmoss
Huperzia lucidula (Michx.) Trevis.	Shining Clubmoss
Huperzia porophila (Lloyd & Underw.) Holub	Rock Clubmoss
Huperzia selago (L.) Bernh. ex Schrank & Mart.	fir clubmoss
Hyacinthus orientalis L.	garden hyacinth
Hybanthus verticillatus (Ortega) Baill.	babyslippers
Hydrangea arborescens L.	Wild Hydrangea
Hydrangea cinerea Small	Ashy Hydrangea
Hydrangea quercifolia W. Bartram	Oakleaf Hydrangea
Hydrastis canadensis L.	goldenseal
Hydrilla verticillata (L. f.) Royle	Waterthyme
Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buchenau	Waterpoppy
Hydrocotyle americana L.	American marshpennywort
Hydrocotyle bonariensis Comm. ex Lam.	largeleaf pennywort
Hydrocotyle prolifera Kellogg	whorled marshpennywort
Hydrocotyle ranunculoides L. f.	Floating Marshpennywort
Hydrocotyle sibthorpioides Lam.	lawn marshpennywort
Hydrocotyle umbellata L.	manyflower marshpennywort
Hydrocotyle verticillata Thunb.	Whorled Marshpennywort
Hydrolea ovata Nutt. ex Choisy	ovate false fiddleleaf
Hydrolea spinosa L.	spiny false fiddleleaf
Hydrolea uniflora Raf.	oneflower false fiddleleaf
Hydrophyllum appendiculatum Michx.	great waterleaf
Hydrophyllum canadense L.	bluntleaf waterleaf
Hydrophyllum capitatum Douglas ex Benth.	Ballhead Waterleaf
Hydrophyllum fendleri (A. Gray) A. Heller	Fendler's waterleaf
Hydrophyllum virginianum L.	Eastern Waterleaf
Hygrophila lacustris (Schltdl. & Cham.) Nees	gulf swampweed
Hygrophila polysperma (Roxb.) T. Anderson	Indian swampweed
Hylodesmum glutinosum (Muhl. ex Willd.) H.Ohashi & R.R.Mill	Pointedleaf Ticktrefoil
Hylodesmum nudiflorum (L.) H.Ohashi & R.R.Mill	Nakedflower Ticktrefoil
Hylodesmum pauciflorum (Nutt.) H.Ohashi & R.R.Mill	Fewflower Ticktrefoil
Hylotelephium erythrostictum (Miq.) H. Ohba	garden stonecrop
Hylotelephium telephium (L.) H. Ohba	witch's moneybags
Hymenachne amplexicaulis (Rudge) Nees	West Indian marsh grass
Hymenocallis liriosme (Raf.) Shinners	spring spiderlily
Hymenocallis occidentalis (Leconte) Kunth	northern spiderlily
Hymenopappus artemisiifolius DC.	oldplainsman
Hymenopappus biennis B.L. Turner	biennial woollywhite
Hymenopappus carrizoanus B.L. Turner	Carrizo Sands woollywhite
Hymenopappus filifolius Hook.	Fineleaf Hymenopappus
Hymenopappus flavescens A. Gray	collegeflower
Hymenopappus mexicanus A. Gray	Mexican woollywhite
Hymenopappus newberryi (A. Gray) I.M. Johnst.	Newberry's Hymenopappus
Hymenopappus scabiosaeus L'Hér.	Carolina woollywhite
Hymenopappus tenuifolius Pursh	Chalk Hill hymenopappus
Hymenothrix wislizeni A. Gray	Trans-Pecos thimblehead
Hymenothrix wrightii A. Gray	Wright's thimblehead
Hymenoxys brachyactis Wooton & Standl.	East View Rubberweed
Hymenoxys grandiflora (Torr. & A.Gray) K.F.Parker	Graylocks Four-Nerve Daisy
Hymenoxys hoopesii (A. Gray) Bierner	owl's-claws
Hymenoxys odorata DC.	bitter rubberweed
Hymenoxys perpygmaea W.C. Holmes, Singhurst & Mink	Pygmy Prairiedawn
Hymenoxys richardsonii (Hook.) Cockerell	pingue rubberweed
Hymenoxys texana (J.M. Coult. & Rose) Cockerell	prairiedawn
Hymenoxys vaseyi (A. Gray) Cockerell	Vasey's rubberweed
Hyoscyamus niger L.	black henbane
Hyparrhenia hirta (L.) Stapf	thatching grass
Hyparrhenia rufa (Nees) Stapf	jaraguagrass
Hypericum ascyron L.	Great St. Johnswort
Hypericum boreale (Britton) E.P. Bicknell	Northern St. John's Wort
Hypericum cistifolium Lam.	roundpod St. Johnswort
Hypericum crux-andreae (L.) Crantz	St. Peterswort
Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray	nits and lice
Hypericum fraseri (Spach) Steud.	Fraser's Marsh St. Johnswort
Hypericum frondosum Michx.	Cedarglade St. Johnswort
Hypericum galioides Lam.	bedstraw St. Johnswort
Hypericum gentianoides "(L.) Britton	orangegrass
Hypericum gymnanthum Engelm. & A. Gray	claspingleaf St. Johnswort
Hypericum hypericoides (L.) Crantz	St. Andrew's Cross
Hypericum lobocarpum Gattinger ex J.M. Coult.	Fivelobe St. Johnswort
Hypericum majus (A. Gray) Britton	large St. Johnswort
Hypericum mutilum L.	Dwarf St. John's Wort	✓
Hypericum nudiflorum Michx. ex Willd.	early St. Johnswort
Hypericum pauciflorum Kunth	fewflower St. Johnswort
Hypericum perforatum L.	common St. Johnswort
Hypericum prolificum L.	Shrubby St. Johnswort
Hypericum pseudomaculatum Bush	False Spotted St. Johnswort
Hypericum punctatum Lam.	Spotted St. Johnswort
Hypericum scouleri Hook.	Scouler's St. Johnswort
Hypericum setosum L.	Hairy St. Johnswort
Hypericum sphaerocarpum Michx.	Roundseed St. Johnswort
Hypochaeris glabra L.	smooth cat's ear
Hypochaeris microcephala (Sch. Bip.) Cabrera	smallhead cat's ear
Hypochaeris radicata L.	hairy cat's ear
Hypoxis curtissii Rose	Curtis' star-grass
Hypoxis hirsuta (L.) Coville	common goldstar
Hypoxis rigida Chapm.	stiff star-grass
Hypoxis sessilis L.	glossyseed yellow star-grass
Hypoxis wrightii (Baker) Brackett	Wright's star-grass
Hyptis alata (Raf.) Shinners	clustered bushmint
Hyssopus officinalis L.	hyssop
Iberis amara L.	annual candytuft
Iberis umbellata L.	globe candytuft
Ibervillea lindheimeri (A. Gray) Greene	Lindheimer's globeberry
Ibervillea tenuisecta (A. Gray) Small	slimlobe globeberry
Ilex ambigua (Michx.) Torr.	Carolina holly
Ilex cassine L.	Dahoon
Ilex coriacea (Pursh) Chapm.	Large Gallberry
Ilex decidua Walter	Possumhaw
Ilex longipes Chapm. ex Trel.	Georgia Holly
Ilex opaca Aiton	American Holly	✓
Ilex verticillata (L.) A. Gray	Winterberry
Ilex vomitoria Aiton	Yaupon
Iliamna angulata Greene	Largeflower Wild Hollyhock
Iliamna rivularis (Douglas ex Hook.) Greene	Streambank Wild Hollyhock
Illicium floridanum Ellis	Florida Anisetree
Impatiens aurella Rydb.	paleyellow touch-me-not
Impatiens balsamina L.	spotted snapweed
Impatiens capensis Meerb.	Jewelweed
Impatiens ecornuta Gerry Moore, Zika & Rushworth	Spurless Touch-me-not
Impatiens pallida Nutt.	Pale Touch-Me-Not
Imperata brevifolia Vasey	California satintail
Imperata cylindrica (L.) P. Beauv.	Cogongrass
Indigofera hirsuta L.	hairy indigo
Indigofera lindheimeriana Scheele	Lindheimer's indigo
Indigofera miniata Ortega	coastal indigo
Indigofera suffruticosa Mill.	Anil de Pasto
Inula helenium L.	elecampane inula
Iodanthus pinnatifidus (Michx.) Steud.	Purple Rocket
Ionactis alpina (Nutt.) Greene	Lava Aster
Ionactis elegans (Soreng & Spellenb.) G.L. Nesom	Sierra Blanca Least-Daisy
Ionactis linariifolia (L.) Greene	Flax-leaved Stiff-aster
Ipomoea ×leucantha Jacq.	Hybrid Morning-Glory
Ipomoea alba L.	tropical white morning-glory
Ipomoea amnicola Morong	redcenter morning-glory
Ipomoea barbatisepala A. Gray	canyon morning-glory
Ipomoea batatas (L.) Lam.	sweetpotato
Ipomoea cairica (L.) Sweet	Messina creeper
Ipomoea capillacea (Kunth) G. Don	purple morning-glory
Ipomoea cardiophylla A. Gray	heartleaf morning-glory
Ipomoea carnea Jacq.	gloria de la manana
Ipomoea coccinea L.	Redstar
Ipomoea cordatotriloba Dennst.	tievine
Ipomoea costellata Torr.	crestrib morning-glory
Ipomoea cristulata Hallier f.	Trans-Pecos Morning-Glory
Ipomoea dumetorum Willd. ex Roem. & Schult.	railwaycreeper
Ipomoea hederacea Jacq.	Ivyleaf Morning-Glory
Ipomoea heptaphylla Sweet	Palm Leaf Morning Glory
Ipomoea imperati (Vahl) Griseb.	beach morning-glory
Ipomoea indica (Burm. f.) Merr.	oceanblue morning-glory
Ipomoea lacunosa L.	Small White Morning-Glory	✓
Ipomoea leptophylla Torr.	bush morning-glory
Ipomoea lindheimeri A. Gray	Lindheimer's morning-glory
Ipomoea nil (L.) Roth	Whiteedge Morning-glory
Ipomoea pandurata (L.) G. Mey.	man of the earth
Ipomoea pes-caprae (L.) R. Br.	Bayhops
Ipomoea plummerae A. Gray	Huachuca Mountain morning-glory
Ipomoea pubescens Lam.	silky morning-glory
Ipomoea purpurea (L.) Roth	tall morning-glory
Ipomoea quamoclit L.	Cypressvine
Ipomoea rupicola House	Cliff Morning-Glory
Ipomoea sagittata Poir.	saltmarsh morning-glory
Ipomoea shumardiana (Torr.) Shinners	Narrowleaf Morning-Glory
Ipomoea tenuiloba Torr.	Spiderleaf
Ipomoea ternifolia Cav.	Tripleleaf Morning-glory
Ipomoea tricolor Cav.	Grannyvine
Ipomopsis aggregata (Pursh) V.E. Grant	scarlet gilia
Ipomopsis congesta (Hook.) V.E. Grant	Ballhead Ipomopsis
Ipomopsis gunnisonii (Torr. & A. Gray) V.E. Grant	Sanddune Ipomopsis
Ipomopsis laxiflora (J.M. Coult.) V.E. Grant	iron ipomopsis
Ipomopsis longiflora (Torr.) V.E. Grant	flaxflowered ipomopsis
Ipomopsis macombii (Torr. ex A. Gray) V.E. Grant	Macomb's ipomopsis
Ipomopsis multiflora (Nutt.) V.E. Grant	manyflowered ipomopsis
Ipomopsis pumila (Nutt.) V.E. Grant	dwarf ipomopsis
Ipomopsis rubra (L.) Wherry	Standing-Cypress
Ipomopsis sancti-spiritus Wilken & Fletcher	Holy Ghost Ipomopsis
Ipomopsis spicata (Nutt.) V.E. Grant	Spiked Ipomopsis
Ipomopsis tenuituba (Rydb.) V.E. Grant	Slendertube Skyrocket
Iresine diffusa Humb. & Bonpl. ex Willd.	Juba's bush
Iresine heterophylla Standl.	Standley's bloodleaf
Iresine palmeri (S. Watson) Standl.	Palmer's bloodleaf
Iresine rhizomatosa Standl.	Juda's bush
Iris ×germanica L.	Bearded Iris
Iris brevicaulis Raf.	zigzag iris
Iris flavescens Delile	Lemonyellow Iris
Iris fulva Ker Gawl.	Copper Iris
Iris giganticaerulea Small	giant blue iris
Iris missouriensis Nutt.	Rocky Mountain Iris
Iris orientalis Mill.	yellowband iris
Iris pallida Lam.	Sweet Iris
Iris pseudacorus L.	Yellow Flag Iris	✓
Iris pumila L.	Dwarf Iris
Iris sanguinea Hornem.	Blood Iris
Iris verna L.	Dwarf Violet Iris
Iris versicolor L.	Northern Blue Flag
Iris virginica L.	Southern Blue Flag
Iris xiphium L.	Spanish Iris
Isatis tinctoria L.	Dyer's woad
Isocarpha oppositifolia (L.) Cass.	Rio Grande pearlhead
Isocoma coronopifolia (A. Gray) Greene	common goldenbush
Isocoma drummondii (Torr. & A. Gray) Greene	Drummond's goldenbush
Isocoma pluriflora (Torr. & A. Gray) Greene	southern goldenbush
Isoetes bolanderi Engelm.	Bolander's quillwort
Isoetes butleri Engelm.	Limestone Quillwort
Isoetes howellii Engelm.	Howell's quillwort
Isoetes lithophila N.E. Pfeiffer	Rock Quillwort
Isoetes melanopoda Gay & Durieu ex Durieu	blackfoot quillwort
Isoetes occidentalis L.F. Hend.	western quillwort
Isoetes piedmontana (N.E. Pfeiffer) C.F. Reed	Piedmont Quillwort
Isoetes tenella Léman ex Desv.	Spiny-Spore Quillwort
Isoetes texana Singhurst, Rushing & W.C. Holmes	Texas Quillwort
Isolepis carinata Hook. & Arn. ex Torr.	keeled bulrush
Isolepis cernua (Vahl) Roem. & Schult.	low bulrush
Itea virginica L.	Virginia Sweetspire
Iva annua L.	Annual Marsh Elder
Iva asperifolia Less.	Pensacola marsh elder
Iva axillaris Pursh	povertyweed
Iva frutescens	Jesuit's Bark
Iva frutescens L.	Jesuit's bark
Iva imbricata Walter	seacoast marsh elder
Ivesia gordonii (Hook.) Torr. & A. Gray	Gordon's ivesia
Jacquemontia tamnifolia (L.) Griseb.	Hairy Clustervine
Jamesia americana Torr. & A. Gray	fivepetal cliffbush
Jasminum mesnyi Hance	Japanese jasmine
Jasminum nudiflorum Lindl.	Winter Jasmine
Jatropha cathartica Terán & Berl.	Berlandier's nettlespurge
Jatropha dioica Cerv.	leatherstem
Jefea brevifolia (A. Gray) Strother	shortleaf jefea
Jeffersonia diphylla (L.) Pers.	Twinleaf
Juglans cinerea L.	Butternut	✓
Juglans major (Torr.) A. Heller	Arizona walnut
Juglans microcarpa Berl.	little walnut
Juglans nigra L.	Eastern Black Walnut	✓
Juncus acuminatus Michx.	tapertip rush
Juncus albescens (Lange) Fernald	northern white rush
Juncus alpinoarticulatus Chaix	northern green rush
Juncus ambiguus Guss.	Seaside Rush
Juncus anthelatus (Wiegand) R.E. Brooks	greater poverty rush
Juncus arcticus Willd.	arctic rush
Juncus articulatus L.	jointleaf rush
Juncus biflorus Elliott	Bog Rush
Juncus biglumis L.	Twoflowered Rush
Juncus brachycarpus Engelm.	whiteroot rush
Juncus brachycephalus (Engelm.) Buchenau	smallhead rush
Juncus brachyphyllus Wiegand	Tuftedstem Rush
Juncus brevicaudatus (Engelm.) Fernald	narrowpanicle rush
Juncus bufonius L.	toad rush
Juncus canadensis J. Gay ex Laharpe	Canadian rush
Juncus capitatus Weigel	leafybract dwarf rush
Juncus castaneus Sm.	Chestnut Rush
Juncus compressus Jacq.	roundfruit rush
Juncus confusus Coville	Colorado rush
Juncus coriaceus Mack.	leathery rush
Juncus debilis A. Gray	Weak Rush
Juncus dichotomus Elliott	forked rush
Juncus diffusissimus Buckley	Slimpod Rush
Juncus drummondii E. Mey.	Drummond's rush
Juncus dudleyi Wiegand	Dudley's rush
Juncus effusus L.	Common Rush
Juncus elliottii Chapm.	Elliott's rush
Juncus ensifolius Wikstr.	Swordleaf Rush
Juncus fascinatus (M.C. Johnst.) W. Knapp	roundhead rush
Juncus filiformis L.	thread rush
Juncus filipendulus Buckley	Ringseed Rush
Juncus gerardii Loisel.	Saltmeadow Rush
Juncus greenei Oakes & Tuck.	Greene's rush
Juncus hallii Engelm.	Hall's Rush
Juncus interior Wiegand	inland rush
Juncus longistylis Torr.	longstyle rush
Juncus marginatus Rostk.	Grassleaf Rush
Juncus megacephalus M.A. Curtis	bighead rush
Juncus mertensianus Bong.	Mertens' rush
Juncus mexicanus Willd. ex Schult. & Schult. f.	Mexican rush
Juncus nevadensis S. Watson	Sierra Rush
Juncus nodatus Coville	stout rush
Juncus nodosus L.	knotted rush
Juncus orthophyllus Coville	straightleaf rush
Juncus parryi Engelm.	Parry's rush
Juncus pelocarpus E. Mey.	brownfruit rush
Juncus polycephalos Michx.	manyhead rush
Juncus regelii Buchenau	Regel's rush
Juncus repens Michx.	lesser creeping rush
Juncus roemerianus Scheele	needlegrass rush
Juncus saximontanus A. Nelson	Rocky Mountain rush
Juncus scirpoides Lam.	needlepod rush
Juncus secundus P. Beauv. ex Poir.	lopsided rush
Juncus stygius L.	moor rush
Juncus tenuis Willd.	poverty rush
Juncus texanus (Engelm.) Coville	Texas Rush
Juncus torreyi Coville	Torrey's rush
Juncus triglumis L.	Three-hulled Rush
Juncus trigonocarpus Steud.	Redpod Rush
Juncus validus Coville	Roundhead Rush
Juncus vaseyi Engelm.	Vasey's Rush
Juncus xiphioides E. Mey.	irisleaf rush
Juniperus ashei J. Buchholz	Ashe Juniper
Juniperus communis L.	Common Juniper
Juniperus deppeana Steud.	alligator juniper
Juniperus horizontalis Moench	Creeping Juniper
Juniperus monosperma (Engelm.) Sarg.	Oneseed Juniper
Juniperus osteosperma (Torr.) Little	Utah Juniper
Juniperus pinchotii Sudw.	Pinchot Juniper
Juniperus scopulorum Sarg.	Rocky Mountain Juniper
Juniperus virginiana L.	Eastern Redcedar	✓
Justicia americana (L.) Vahl	American Water-Willow
Justicia lanceolata (Chapm.) Small	looseflower water-willow
Justicia pacifica (Oerst.) Hemsl.	Runyon's water-willow
Justicia pilosella (Nees) Hilsenb.	Gregg's tube tongue
Justicia turneri Hilsenb.	Turner's water-willow
Justicia warnockii B.L. Turner	Warnock's water-willow
Justicia wrightii A. Gray	Wright's waterwillow
Kalanchoe daigremontiana Raym.-Hamet & H. Perrier	devil's backbone
Kalanchoe delagoensis Eckl. & Zeyh.	chandelier plant

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