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You are here: Home / Introduced, Invasive and Noxious Plants / Weeds of the U.S. Printer-Friendly Printer-Friendly / Download
 
Introduced, Invasive, and Noxious Plants

About Weeds of the U.S.
NRCS Invasive Species Policy
Invasive Species Executive Order 13112

U.S. Weeds with Scientific Name =H*
66 records returned

Click on an accepted name below to view its PLANTS Profile with more information, and web links if available. Invasive plants that are synonyms are indented beneath the current PLANTS accepted name. You may view invasive lists by source by clicking on the source acronyms at the top of the report.

U.S. USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ, Washington, DC.
USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). State Plant Regulatory Officials letters. National Plant Board
STATE Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments.
Cal-IPC California Invasive Plant Council. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council, Berkeley, California.
FLEPPC Florida Exotic Pest Plant Council. Invasive plant list. Florida Exotic Pest Plant Council, Florida.
HEAR USDI, Geological Survey. Information index for selected alien plants in Hawaii (20 October 2003). Hawaiian Ecosystems at Risk Project, Biological Resources Division, Haleakala Field Station, Makawao, Hawaii.
KY Haragan, P.D. Weeds of Kentucky and adjacent states: a field guide. The University Press of Kentucky, Lexington, Kentucky.
N'EAST Uva, R.H., J.C. Neal,and J.M. DiTomaso. Weeds of the Northeast. Cornell University Press, Ithaca, New York.
NE&GP Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry, Lincoln, Nebraska.
SEEPPC Southeast Exotic Pest Plant Council. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council, Tennessee.
SWSS Southern Weed Science Society. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society, Champaign, Illinois.
WI Hoffman, R.and K. Kearns (eds.). Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Madison, Wisconsin.
WSWS Whitson, T.D. (ed.) et al. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming.

 

Symbol Common Name
Scientific Name
Source Native Status*

HECO11
'awapuhi-ke'oke'o
Hedychium coronarium

HEAR

L48 (I), HI (I), PR (I)

HISY
althea
Hibiscus syriacus

SEEPPC

L48 (I)

HEAN3
annual sunflower
Helianthus annuus

STATE, NE&GP, SWSS, WSWS

L48 (N), AK (I), HI (I), PR (I), CAN (I), SPM (I)

HEFL5
awapuhi melemele
Hedychium flavescens

HEAR

HI (I), PR (I)

HAGL
barilla
Halogeton glomeratus

STATE, Cal-IPC, WSWS

L48 (I)

HEAM
bitter sneezeweed
Helenium amarum

KY, SWSS

L48 (N)

HEAU
bitterweed
Helenium autumnale

NE&GP

L48 (N), CAN (N)

HYNI
black henbane
Hyoscyamus niger

STATE, WSWS

L48 (I), CAN (I)

HITR
bladder ketmia
Hibiscus trionum

STATE, KY, N'EAST, NE&GP, SWSS, WSWS

L48 (I), CAN (I)

HACA2
bloodwoodtree
Haematoxylum campechianum

HEAR

HI (I), PR (I), VI (I)

HELI2
blue mudplantain
Heteranthera limosa

SWSS

L48 (N), PR (N)

HECI
blueweed
Helianthus ciliaris

STATE, SWSS, WSWS

L48 (N)

HESU3
camphorweed
Heterotheca subaxillaris

NE&GP, WSWS

L48 (N)

HICA3
Canadian hawkweed
Hieracium canadense

WI

L48 (N)

HYCA11
Canary Island St. Johnswort
Hypericum canariense

HEAR

L48 (I), HI (I)

HYPE3
comb hyptis
Hyptis pectinata

STATE

L48 (I), HI (I), PR (N), VI (N)

HOVU
common barley
Hordeum vulgare

SWSS

L48 (I), AK (I), HI (I), CAN (W), GL (W)

HYRA3
common cat's-ear
Hypochaeris radicata

STATE, HEAR, WSWS

L48 (I), AK (I), HI (I), CAN (I), SPM (I)

HEMA80
HELA4
common cowparsnip
Heracleum maximum
Heracleum lanatum


WSWS

L48 (N), AK (N), CAN (N), SPM (N)

HEAU
common sneezeweed
Helenium autumnale

NE&GP

L48 (N), CAN (N)

HYPE
common St. John's wort
Hypericum perforatum

STATE, Cal-IPC, NE&GP, SEEPPC, SWSS, WI, WSWS

L48 (I), HI (I), CAN (I), SPM (I)

HEAN3
common sunflower
Helianthus annuus

STATE, NE&GP, SWSS, WSWS

L48 (N), AK (I), HI (I), PR (I), CAN (I), SPM (I)

HOLA
common velvetgrass
Holcus lanatus

Cal-IPC, HEAR, N'EAST, WSWS

L48 (I), AK (I), HI (I), PR (I), CAN (I)

HEMA80
HELA4
cow parsnip
Heracleum maximum
Heracleum lanatum


WSWS

L48 (N), AK (N), CAN (N), SPM (N)

HEMA3
dame's rocket
Hesperis matronalis

STATE, NE&GP, SEEPPC, WI

L48 (I), AK (I), CAN (I)

HEMA3
dames violet
Hesperis matronalis

STATE, NE&GP, SEEPPC, WI

L48 (I), AK (I), CAN (I)

HELI2
ducksalad
Heteranthera limosa

SWSS

L48 (N), PR (N)

HYPO3
East Indian hygrophila
Hygrophila polysperma

US, STATE, FLEPPC

L48 (I)

HEHE
English ivy
Hedera helix

STATE, Cal-IPC, SEEPPC, WI

L48 (I), HI (I), CAN (I)

HEHI12
English ivy
Hedera hibernica

STATE

L48 (I)

HYRA3
false dandelion
Hypochaeris radicata

STATE, HEAR, WSWS

L48 (I), AK (I), HI (I), CAN (I), SPM (I)

HEAU
false sunflower
Helenium autumnale

NE&GP

L48 (N), CAN (N)

HYPE3
fausse menthe
Hyptis pectinata

STATE

L48 (I), HI (I), PR (N), VI (N)

HICA10
HIPR
field hawkweed
Hieracium caespitosum
Hieracium pratense

STATE
STATE, N'EAST

L48 (I), CAN (I)

HYVE3
Florida elodea
Hydrilla verticillata

US, STATE, Cal-IPC, FLEPPC, SEEPPC

L48 (I)

HITR
flower-of-an-hour
Hibiscus trionum

STATE, KY, N'EAST, NE&GP, SWSS, WSWS

L48 (I), CAN (I)

HOJU
foxtail barley
Hordeum jubatum

NE&GP, SWSS, WSWS

L48 (N), AK (N), CAN (N), SPM (N)

HYMO6
frogbit
Hydrocharis morsus-ranae

STATE

L48 (I), CAN (I)

HYRA3
frogbit
Hypochaeris radicata

STATE, HEAR, WSWS

L48 (I), AK (I), HI (I), CAN (I), SPM (I)

HEMA17
giant hogweed
Heracleum mantegazzianum

US, STATE

L48 (I), CAN (I)

HECO11
gingerlily
Hedychium coronarium

HEAR

L48 (I), HI (I), PR (I)

HETU
girasole
Helianthus tuberosus

N'EAST, NE&GP, SWSS

L48 (N), CAN (N)

HESU3
golden aster
Heterotheca subaxillaris

NE&GP, WSWS

L48 (N)

HYRA3
gosmore
Hypochaeris radicata

STATE, HEAR, WSWS

L48 (I), AK (I), HI (I), CAN (I), SPM (I)

HYRA3
hairy cat's ear
Hypochaeris radicata

STATE, HEAR, WSWS

L48 (I), AK (I), HI (I), CAN (I), SPM (I)

HAGL
halogeton
Halogeton glomeratus

STATE, Cal-IPC, WSWS

L48 (I)

HOMUL
HOLE
hare barley
Hordeum murinum ssp. leporinum
Hordeum leporinum


WSWS

L48 (I), HI (I), CAN (I)

HIERA
hawkweed
Hieracium

STATE


HEHE5
heliopsis sunflower
Heliopsis helianthoides

NE&GP

L48 (N), CAN (N)

HIBE2
hiptage
Hiptage benghalensis

FLEPPC, HEAR


HOGL2
hog potato
Hoffmannseggia glauca

SWSS, WSWS

L48 (N)

HYVE3
hydrilla
Hydrilla verticillata

US, STATE, Cal-IPC, FLEPPC, SEEPPC

L48 (I)

HYPO3
Indian swampweed
Hygrophila polysperma

US, STATE, FLEPPC

L48 (I)

HUJA
Japanese hops
Humulus japonicus

STATE

L48 (I), CAN (I)

HYRU2
jaragua
Hyparrhenia rufa

HEAR

L48 (I), HI (I), PR (I)

HETU
Jerusalem artichoke
Helianthus tuberosus

N'EAST, NE&GP, SWSS

L48 (N), CAN (N)

HETU
Jerusalem sunflower
Helianthus tuberosus

N'EAST, NE&GP, SWSS

L48 (N), CAN (N)

HEGA
Kahili ginger
Hedychium gardnerianum

HEAR

HI (I)

HERE
kidneyleaf mudplantain
Heteranthera reniformis

SWSS

L48 (N), PR (N)

HYPE
Klamathweed
Hypericum perforatum

STATE, Cal-IPC, NE&GP, SEEPPC, SWSS, WI, WSWS

L48 (I), HI (I), CAN (I), SPM (I)

HOMUL
HOLE
leporinum barley
Hordeum murinum ssp. leporinum
Hordeum leporinum


WSWS

L48 (I), HI (I), CAN (I)

HEPE8
licorice plant
Helichrysum petiolare

Cal-IPC

L48 (I)

HOPU
little barley
Hordeum pusillum

NE&GP, SWSS

L48 (N), CAN (N)

HOPU
little wildbarley
Hordeum pusillum

NE&GP, SWSS

L48 (N), CAN (N)

HITI
mahoe
Hibiscus tiliaceus

FLEPPC

L48 (I), HI (I)

HICA10
meadow hawkweed
Hieracium caespitosum

STATE

L48 (I), CAN (I)

HICA10
HIPR
meadow hawkweed
Hieracium caespitosum
Hieracium pratense

STATE
STATE, N'EAST

L48 (I), CAN (I)

HIFL3
meadow hawkweed
Hieracium ×floribundum

STATE

L48 (I), CAN (I), SPM (I)

HIPI2
meadow hawkweed
Hieracium piloselloides

STATE

L48 (I), CAN (I)

HYPE3
mint weed
Hyptis pectinata

STATE

L48 (I), HI (I), PR (N), VI (N)

HYPO3
Miramar weed
Hygrophila polysperma

US, STATE, FLEPPC

L48 (I)

HAMA7
ERMA16
moon cactus
Harrisia martinii
Eriocereus martinii


STATE

HI (I)

HIPI
mouseear hawkweed
Hieracium pilosella

STATE

L48 (I), AK (I), CAN (I), SPM (I)

HYSU3
mumutun
Hyptis suaveolens

STATE

HI (I), PR (N), VI (N)

HYPE3
mumutun lahe
Hyptis pectinata

STATE

L48 (I), HI (I), PR (N), VI (N)

HENU
Nuttall sunflower
Helianthus nuttallii

WSWS

L48 (N), CAN (N)

HEFU
orange day lily
Hemerocallis fulva

WI

L48 (I), CAN (I)

HIAU
orange hawkweed
Hieracium aurantiacum

STATE, WI, WSWS

L48 (I), AK (I), CAN (I), SPM (I)

HEHE5
oxeye
Heliopsis helianthoides

NE&GP

L48 (N), CAN (N)

HESU4
pearlflower
Heterocentron subtriplinervium

HEAR

HI (I)

HOGL2
pignut
Hoffmannseggia glauca

SWSS, WSWS

L48 (N)

HOGL2
HODE
pignut
Hoffmannseggia glauca
Hoffmannseggia densiflora

SWSS, WSWS
STATE

L48 (N)

HIAT2
polar hawkweed
Hieracium atratum

STATE


HEPE
prairie sunflower
Helianthus petiolaris

SWSS

L48 (N), CAN (N)

HYPE3
purple top
Hyptis pectinata

STATE

L48 (I), HI (I), PR (N), VI (N)

HISY
rose of Sharon
Hibiscus syriacus

SEEPPC

L48 (I)

HITR
rosemallow
Hibiscus trionum

STATE, KY, N'EAST, NE&GP, SWSS, WSWS

L48 (I), CAN (I)

HEHI
rough falsepennyroyal
Hedeoma hispida

NE&GP

L48 (N), CAN (N)

HEHI
rough pennyroyal
Hedeoma hispida

NE&GP

L48 (N), CAN (N)

HAHA8
Russian salt tree
Halimodendron halodendron

STATE

L48 (I), CAN (I)

HEGR4
Sawtooth sunflower
Helianthus grosseserratus

NE&GP

L48 (N), CAN (I)

HITI
sea hibiscus
Hibiscus tiliaceus

FLEPPC

L48 (I), HI (I)

HISY
shrub althea
Hibiscus syriacus

SEEPPC

L48 (I)

HILA4
smooth hawkweed
Hieracium laevigatum

STATE

L48 (N)

HEHE5
smooth oxeye
Heliopsis helianthoides

NE&GP

L48 (N), CAN (N)

HYRA3
spotted catsear
Hypochaeris radicata

STATE, HEAR, WSWS

L48 (I), AK (I), HI (I), CAN (I), SPM (I)

HYPE
St. John's wort
Hypericum perforatum

STATE, Cal-IPC, NE&GP, SEEPPC, SWSS, WI, WSWS

L48 (I), HI (I), CAN (I), SPM (I)

HEAN3
sunflower
Helianthus annuus

STATE, NE&GP, SWSS, WSWS

L48 (N), AK (I), HI (I), PR (I), CAN (I), SPM (I)

HECO10
tanglehead
Heteropogon contortus

STATE

L48 (N), HI (N), PR (N), VI (N)

HECI
Texas blueweed
Helianthus ciliaris

STATE, SWSS, WSWS

L48 (N)

HYPE3
timothi ni vavalangi
Hyptis pectinata

STATE

L48 (I), HI (I), PR (N), VI (N)

HOLA
velvetgrass
Holcus lanatus

Cal-IPC, HEAR, N'EAST, WSWS

L48 (I), AK (I), HI (I), PR (I), CAN (I)

HITR
Venice mallow
Hibiscus trionum

STATE, KY, N'EAST, NE&GP, SWSS, WSWS

L48 (I), CAN (I)

HYVE3
water thyme
Hydrilla verticillata

US, STATE, Cal-IPC, FLEPPC, SEEPPC

L48 (I)

HYAM2
West Indian marsh grass
Hymenachne amplexicaulis

FLEPPC

L48 (N), PR (N)

HECO11
white ginger
Hedychium coronarium

HEAR

L48 (I), HI (I), PR (I)

HEPO4
white moho
Heliocarpus popayanensis

HEAR

HI (I)

HOMUL
HOLE
wild barley
Hordeum murinum ssp. leporinum
Hordeum leporinum


WSWS

L48 (I), HI (I), CAN (I)

HYSU3
wild spikenard
Hyptis suaveolens

STATE

HI (I), PR (N), VI (N)

HEAN3
wild sunflower
Helianthus annuus

STATE, NE&GP, SWSS, WSWS

L48 (N), AK (I), HI (I), PR (I), CAN (I), SPM (I)

HEFL5
yellow ginger
Hedychium flavescens

HEAR

HI (I), PR (I)

HICA10
yellow hawkweed
Hieracium caespitosum

STATE

L48 (I), CAN (I)

HICA10
HIPR
yellow hawkweed
Hieracium caespitosum
Hieracium pratense

STATE
STATE, N'EAST

L48 (I), CAN (I)

HICA3
yellow hawkweed
Hieracium canadense

WI

L48 (N)

HICA10
HIPR
yellow kingdevil
Hieracium caespitosum
Hieracium pratense

STATE
STATE, N'EAST

L48 (I), CAN (I)

HEAM
yellowdicks
Helenium amarum

KY, SWSS

L48 (N)

HECI
yerba parda
Helianthus ciliaris

STATE, SWSS, WSWS

L48 (N)

HOLA
Yorkshire fog
Holcus lanatus

Cal-IPC, HEAR, N'EAST, WSWS

L48 (I), AK (I), HI (I), PR (I), CAN (I)
 
   
*CodeNative Status
I Introduced
N Native
W Waif

*CodeNative Status Jurisdiction
L48 Lower 48 States
AK Alaska
HI Hawaii
PR Puerto Rico
VI Virgin Islands
CAN Canada
GL Greenland
SPM St. Pierre and Miquelon

 

Time Generated: 09/18/2014 08:45 AM CDT