U.S. Noxious Weeds — All Taxa Index

Individual pages for every taxon listed by one or more U.S. state noxious weed programs, with habitat ontology and ethnobotanical use categories.

458 taxa 50 states 1,064 total state listings 20+ states  10–19  5–9  1–4
458 taxa shown
Habitat: Uses:
ABCD EFGH IJKL MNOP QRST UVWX YZ
A
Acacia longifolia
Sydney Golden Wattle
Fabaceae2 states
Acacia mearnsii
Black Wattle
Fabaceae1 state
Acacia nilotica
Nile acacia
Fabaceae1 state
Acer platanoides
Norway maple
Aceraceae5 states
Acer pseudoplatanus
Sycamore maple
Aceraceae1 state
Acloptilon repens
Russian Knapweed
Asteraceae1 state
Acroptilon repens
Russian knapweed; Creeping Thistle/Russian Knapweed
Asteraceae21 states
Adonis aestivalis
Pheasant's Eye
Ranunculaceae 3 states
Aegilops cylindrica
Jointed Goatgrass
Poaceae 11 states
Ageratina riparia
Mistflower
Asteraceae 1 state
Agropyron repens
Quackgrass
Poaceae 2 states
Agrostemma githago
Corn Cockle
Caryophyllaceae 2 states
Ailanthus altissima
Tree of Heaven
Simaroubaceae 8 states
Aira caryophyllea
Silver Hairgrass
Poaceae 1 state
Aira praecox
Early Hairgrass
Poaceae 1 state
Ajuga reptans
Ajuga
Lamiaceae 1 state
Albizia julibrissin
Silk Tree
Fabaceae 2 states
Albuca viridiflora
Albuca
Liliaceae 1 state
Albzia julibrissin
Silk Tree
Fabaceae 1 state
Alectra vogelii
Alectra
Orobanchaceae 4 states
Alhagi maurorum
Camelthorn
Fabaceae 2 states
Alhagi pseudalhagi
Camelthorne
Fabaceae 1 state
Alliaria petiolata
Garlic mustard
Brassicaceae 14 states
Allium canadense
Meadow Garlic
Amaryllidaceae 1 state
Allium triquetrum
Three-cornered garlic; Threecornered Leek
Liliaceae 2 states
Allium ursinum
Ramsons
Liliaceae 1 state
Allium vineal
Rosy Garlic
Liliaceae 1 state
Alopecurus aequalis
Shortawn Foxtail
Poaceae 1 state
Alopecurus carolinianus
Carolina Foxtail
Poaceae 1 state
Alopecurus geniculatus
Water Foxtail
Poaceae 1 state
Alopecurus myosuroides
Blackgrass
Poaceae 1 state
Alopecurus pratensis
Meadow Foxtail
Poaceae 1 state
Alphitonia excelsa
Alphitonia
Rhamnaceae 1 state
Alternanthera philoxeroides
Alligatorweed; Alligator Weed
Amaranthaceae 13 states
Alternanthera pungens
Khaki Burweed
Amaranthaceae 1 state
Alternanthera sessilis
Sessile Joyweed
Amaranthaceae 2 states
Althaea hirsuta
Bristly Hollyhock
Malvaceae 3 states
Althaea officinalis
Marsh Mallow
Malvaceae 1 state
Althaea rosea subsp. rosea
Garden Hollyhock
Malvaceae 1 state
Amaranthus palmeri
Palmer Amaranth
Amaranthaceae 5 states
Amaranthus tuberculatus
Tall waterhemp; Roughseed Pigweed
Amaranthaceae 2 states
Ambrosia artemisiifolia
Common Ragweed
Asteraceae 9 states
Ambrosia confertiflora
Rubberweed
Asteraceae 1 state
Ambrosia psilostachya
Western Ragweed
Asteraceae 5 states
Ambrosia trifida
Giant Ragweed
Asteraceae 9 states
Amelanchier alnifolia
Saskatoon
Rosaceae 1 state
Amianthium muscaetoxicum
Flytoxin
Liliaceae 1 state
Ammi majus
Ammi
Apiaceae 1 state
Ammi visnaga
Khella
Apiaceae 1 state
Ammobium alatum
Winged Everlasting
Asteraceae 1 state
Amomum subulatum
Black Cardamom
Zingiberaceae 1 state
Amorpha fruticosa
False Indigo; Indigo Bush
Fabaceae 6 states
Ampelodesmos mauritanica
Mauritius hemp
Poaceae 1 state
Ampelopsis brevipedunculata
Porcelain Vine
Vitaceae 4 states
Amphiachyris dracunculoides
Broom Snakeweed
Asteraceae 2 states
Amphibrachis ebracteata
 
Poaceae 1 state
Amphibromus neesii
Australian Swampgrass
Poaceae 2 states
Amsinckia intermedia
Intermediate Fiddleneck
Boraginaceae 2 states
Amsinckia menziesii
Common Fiddleneck
Boraginaceae 1 state
Amur Cork Tree (Phellodendron amurense)
Amur Cork Tree
Rutaceae 1 state
Amyosperma santaloides
Amyosperma
Amaranthaceae 1 state
Anchusa officinalis
Alkanet; Small bugloss
Boraginaceae 4 states
Andropogon virginicus
Broomsedge; Broomsedge Bluestem
Poaceae 2 states
Anemarrhena asphodeloides
Anemarrhena
Liliaceae 1 state
Anoplophora glabripennis
Asian longhorned beetle (associated with tree removal)
Cerambycidae 1 state
Anthriscus caucalis
Bur Chervil
Apiaceae 3 states
Anthriscus sylvestris
Wild Chervil
Apiaceae 1 state
Aphanostephus skirrhobasis
Aphanostephus
Asteraceae 3 states
Aphanostigma
Spurge
Euphorbiaceae 2 states
Apium leptophyllum
Slender Parsley
Apiaceae 1 state
Apium nodiflorum
Creeping Marshwort
Apiaceae 1 state
Apocynum cannabinum
Indian Hemp
Apocynaceae 1 state
Apocynum sibiricum
Apocynum
Apocynaceae 1 state
Apodanthera undulata
Apodanthera
Cucurbitaceae 1 state
Aquilegia vulgaris
Columbine
Ranunculaceae 1 state
Arceuthobium campylopodum
Douglas dwarf mistletoe
Viscaceae 2 states
Arceuthobium occidentale
Sugar pine dwarf mistletoe
Viscaceae 1 state
Arceuthobium pusillum
Dwarf Mistletoe
Loranthaceae 1 state
Arceuthobium tsugense
Hemlock Dwarf Mistletoe
Loranthaceae 1 state
Arceuthobium vaginatum subsp. cryptopodum
Southwestern Dwarf Mistletoe
Loranthaceae 1 state
Argemone albiflora
White Prickly Poppy
Papaveraceae 2 states
Argemone platyceras
Crested Prickly Poppy
Papaveraceae 3 states
Argemone polyanthemos
Bristly Prickly Poppy
Papaveraceae 1 state
Artemisia absinthium
Absinth; Absinth Wormwood
Asteraceae 6 states
Artemisia annua
Annual Wormwood
Asteraceae 2 states
Artemisia austriaca
Austrian Wormwood
Asteraceae 3 states
Artemisia dracunculus
Tarragon
Asteraceae 1 state
Artemisia vulgaris
Common Mugwort; Mugwort
Asteraceae 6 states
Arthraxon hispidus
Arthraxon
Poaceae 1 state
Arundo donax
Giant reed; Carrizo
Poaceae 4 states
Asclepias asperula
Antelope Horns
Apocynaceae 3 states
Asclepias physocarpa
Balloon Milkweed
Asclepiadaceae 3 states
Asclepias subverticillata
Poison Milkweed
Apocynaceae 1 state
Asclepias syriaca
Common Milkweed
Asclepiadaceae 1 state
Asclepias viridis
Milkweed
Apocynaceae 1 state
Asphodelus microcarpus
Bristly Oxtongue
Asphodelaceae 1 state
Aster subulatus
Alkali Marsh Aster
Asteraceae 1 state
Atalantia nodiflora
Atalantia
Rutaceae 1 state
Athyrium niponicum
Japanese Painted Fern
Aspleniaceae 2 states
Avena barbata
Slender Wild Oat; Slender Oat
Poaceae 4 states
Avena fatua
Wild Oats; Wild Oat
Poaceae 7 states
Avena ludoviciana
Winter Oat
Poaceae 1 state
Avena sativa subsp. sativa
Common Oat
Poaceae 1 state
Avena sterilis
Animated Oat
Poaceae 1 state
Axonopus affinis
Carpetgrass
Poaceae 1 state
Axonopus compressus
Tropical Carpetgrass
Poaceae 1 state
Axonopus fissifolius
Carpetgrass
Poaceae 1 state
Azolla cristata
Water Fern
Azollaceae 1 state
Azolla filiculoides
Water Fern
Azollaceae 2 states
Azolla imbricata
Water Fern
Azollaceae 1 state
Azolla mexicana
Mexican Water Fern
Azollaceae 1 state
Azolla microphylla
Water Fern
Azollaceae 1 state
Azolla pinnata
Aquatic Fern
Azollaceae 1 state
B
Baccharis halimifolia
Groundsel Bush
Asteraceae 1 state
Bacopa monnieri
Waterhyssop
Scrophulariaceae 2 states
Ballota nigra
Black Horehound
Lamiaceae 2 states
Barbarea verna
Early Yellowrocket
Brassicaceae 2 states
Barbarea vulgaris
Winter Cress; Yellow Rocket
Brassicaceae 3 states
Bassia scoparia
Kochia
Amaranthaceae 3 states
Beccariophoenix madagascariensis
Jumping Palm
Arecaceae 1 state
Begonia grandis
Hardy Begonia
Begoniaceae 1 state
Berberis thunbergii
Japanese barberry
Berberidaceae 9 states
Berberis vulgaris
Common Barberry
Berberidaceae 3 states
Berteroa incana
Hoary alyssum
Brassicaceae 9 states
Bertholletia excelsa
Brazil Nut
Lecythidaceae 1 state
Berzelia lanuginosa
Berzelia
Bruniaceae 1 state
Beta vulgaris subsp. maritima
Sea Beet
Amaranthaceae 2 states
Betula pendula
European White Birch
Betulaceae 1 state
Bidens bipinnata
Spanish Needles
Asteraceae 2 states
Bidens frondosa
Devil's Beggarticks
Asteraceae 2 states
Bidens pilosa
Beggarticks
Asteraceae 2 states
Bidens subalternans
London Bur-marigold
Asteraceae 1 state
Bidens tripartita
London Bur-marigold
Asteraceae 2 states
Bignonia capreolata
Crossvine
Bignoniaceae 1 state
Boehmeria cylindrica
False Nettle
Urticaceae 1 state
Boehmeria nivea
Ramie
Urticaceae 2 states
Boesenbergia pandurata
Fingerroot
Zingiberaceae 1 state
Bomarea caldas
Bomarea
Alstroemeriaceae 2 states
Bonamia ebractea
Bonamia
Convolvulaceae 1 state
Bongardia chrysogonum
Bongardia
Papaveraceae 1 state
Bonnetia emarginata
Bonnetia
Bonnetiaceae 1 state
Bonneya emarginata
Bonneya
Scrophulariaceae 1 state
Borago officinalis
Borage
Boraginaceae 2 states
Borreria alata
Borreria
Rubiaceae 1 state
Borreria ocymoides
Frostweed
Rubiaceae 1 state
Bothriochloa ischaemum
Yellow bluestem
Poaceae 8 states
Bothriochloa ischaemum var. songarica
Yellow Bluestem
Poaceae 1 state
Botrychium dissectum
Cutleaf Grapefern
Ophioglossaceae 1 state
Botrychium lunaria
Moonwort
Ophioglossaceae 1 state
Botrychium multifidum
Leathery Grapefern
Ophioglossaceae 1 state
Botrychium oneidense
Blunt-lobed Grapefern
Ophioglossaceae 1 state
Botrychium virginianum
Rattlesnake Fern
Ophioglossaceae 1 state
Bouteloua curtipendula
Sideoats Grama
Poaceae 1 state
Bouteloua dactyloides
Buffalograss
Poaceae 1 state
Bouteloua eriopoda
Black Grama
Poaceae 1 state
Bouteloua gracilis
Blue Grama
Poaceae 1 state
Bouteloua hirsuta
Hairy Grama
Poaceae 1 state
Brachiaria mutica
Para Grass
Poaceae 1 state
Brassica juncea
Indian Mustard
Brassicaceae 1 state
Brassica oleracea
Wild Cabbage
Brassicaceae 1 state
Brassica rapa
Bird Rape
Brassicaceae 1 state
Brassica tournefortii
Sahara mustard
Brassicaceae 1 state
Briza maxima
Big Quaking Grass
Poaceae 1 state
Briza minor
Lesser Quaking Grass
Poaceae 2 states
Bromegrass
Bromegrass
Poaceae 2 states
Bromus catharticus
Rescue Grass; Rescuegrass
Poaceae 5 states
Bromus commutatus
Meadow Brome
Poaceae 1 state
Bromus diandrus
Ripgut Brome
Poaceae 4 states
Bromus hordeaceus
Soft Brome
Poaceae 2 states
Bromus intermedius
Intermediate Brome
Poaceae 2 states
Bromus japonicus
Japanese Brome
Poaceae 4 states
Bromus madritensis subsp. rubens
Red Brome
Poaceae 1 state
Bromus mollis
Soft Brome
Poaceae 1 state
Bromus rigidus
Ripgut Brome
Poaceae 2 states
Bromus rubens
Red Brome; Foxtail Brome
Poaceae 6 states
Bromus secalinus
Cheat
Poaceae 4 states
Bromus sterilis
Barren Brome
Poaceae 2 states
Bromus tectorum
Cheatgrass; Downy Brome
Poaceae 8 states
Bumelia lycioides
Buckthorn Bumelia
Sapotaceae 1 state
Bunias orientalis
Hill Mustard
Brassicaceae 2 states
Buphthalmum salicifolium
Buphthalmum
Asteraceae 2 states
Bursaria spinosa
Box Thorn
Pittosporaceae 1 state
Buxus sempervirens
English Boxwood
Buxaceae 2 states
C
Cabomba caroliniana
Fanwort
Cabombaceae 3 states
Callicoma serratifolia
Black wattle
Cunoniaceae 1 state
Caltha scaposa
Alkali Marsh Marigold
Ranunculaceae 1 state
Calystegia sepium
Hedge Bindweed
Convolvulaceae 1 state
Calystegia silvatica
Silvatica Bindweed
Convolvulaceae 1 state
Calystegia soldanella
Soldanella Bindweed
Convolvulaceae 1 state
Camelina microcarpa
Littlepod Falseflax
Brassicaceae 1 state
Camelina sativa subsp. pilosa
Gold-of-pleasure
Brassicaceae 1 state
Camelina sativa subsp. sativa
Gold-of-pleasure
Brassicaceae 1 state
Camellia japonica
Camellia
Theaceae 1 state
Camellia sasanqua
Sasanqua Camellia
Theaceae 1 state
Camellia sinensis
Tea
Theaceae 1 state
Camelorum ferus
Camelthorn; Camel thorn
Fabaceae 1 state
Campanula isophylla
Campanula
Campanulaceae 1 state
Campanula latifolia
Giant Bellflower
Campanulaceae 1 state
Campanula patula
Spreading Bellflower
Campanulaceae 1 state
Campanula rapunculoides
Creeping Bellflower
Campanulaceae 1 state
Campanula rotundifolia
Harebell
Campanulaceae 1 state
Campanula trachelium
Nettle-leaved Bellflower
Campanulaceae 1 state
Campsis grandiflora
Chinese Trumpet Vine
Bignoniaceae 1 state
Campsis radicans
Trumpet Vine
Bignoniaceae 1 state
Campsis x tagliabuana
Trumpet Vine Hybrid
Bignoniaceae 1 state
Canavalia pubescens
Jack bean
Fabaceae 1 state
Canella winterana
Canella
Canellaceae 1 state
Caragana microphylla
Littleleaf Caragana
Fabaceae 1 state
Cardamine hirsuta
Hairy Bittercress
Brassicaceae 1 state
Cardamine impatiens
Impatient Bittercress
Brassicaceae 1 state
Cardamine pratensis
Cuckooflower
Brassicaceae 1 state
Cardamine trifolia
Three-leaved Bittercress
Brassicaceae 1 state
Cardaria chalapensis
Lenflower Pepperweed
Brassicaceae 2 states
Cardaria draba
Whitetop
Brassicaceae 3 states
Carduus acanthoides
Spiny thistle; Spiny Plumeless Thistle; Plumeless Thistle
Asteraceae 11 states
Carduus aculis
Carduus
Asteraceae 1 state
Carduus crispus
Welted Thistle
Asteraceae 1 state
Carduus eriocephalus
Purple Thistle
Asteraceae 1 state
Carduus lanceolatus
Bull Thistle
Asteraceae 1 state
Carduus mutans
Musk Thistle
Asteraceae 1 state
Carduus nutans
Musk Thistle
Asteraceae 5 states
Carduus nutans subsp. macrolepis
Nodding Thistle
Asteraceae 1 state
Carduus platypus
Carduus
Asteraceae 1 state
Carduus pycnocephalus
Italian thistle; Purple Thistle
Asteraceae 5 states
Carduus temulentus
Carduus
Asteraceae 1 state
Carduus tenuiflorus
Slender Thistle
Asteraceae 1 state
Carica papaya
Papaya
Caricaceae 1 state
Carina dea
Red Carina
Unknown 1 state
Carpobrotus edulis
Hottentot Fig
Aizoaceae 1 state
Carthamus lanatus
Napa Thistle
Asteraceae 1 state
Cassia didymobotrya
Popcorn Cassia
Fabaceae 1 state
Cayratia japonica
Japanese pepper vine
Vitaceae 1 state
Celastrus orbiculatus
Asiatic bittersweet; Oriental Bittersweet
Celastraceae 3 states
Centaurea biebersteinii
Spotted Knapweed
Asteraceae 1 state
Centaurea cineraria subsp. cineraria
Dusty Miller
Asteraceae 1 state
Centaurea cyanus
Bachelor's button; bluebottle; Cornflower
Asteraceae 9 states
Centaurea diffusa
Diffuse knapweed
Asteraceae 20 states
Centaurea jacea
Brown Knapweed
Asteraceae 1 state
Centaurea maculosa
Spotted knapweed
Asteraceae 16 states
Centaurea melitensis
Malta starthistle; Napa Thistle; Tocalote
Asteraceae 5 states
Centaurea nigra
Black Knapweed
Asteraceae 1 state
Centaurea repens
Russian knapweed; Purple starthistle
Asteraceae 4 states
Centaurea solstitialis
Yellow starthistle
Asteraceae 16 states
Centranthus ruber
Red valerian
Valerianaceae 2 states
Ceratophyllum demersum
Coontail
Ceratophyllaceae 6 states
Cheatgrass
Bromus tectorum
Poaceae 1 state
Cheatgrass/Bromus tectorum
Cheatgrass
Poaceae 1 state
Chenopodium ambrosioides
Mexican Tea
Amaranthaceae 1 state
Chenopodium chenopodioides
 
Amaranthaceae 1 state
Chenopodium murale
Nettle-leaf Goosefoot
Amaranthaceae 1 state
Chondrilla juncea
Skeleton Weed
Asteraceae 4 states
Cichorium intybus
Perennial sow thistle
Asteraceae 1 state
Cinnamomum camphora
Camphor tree
Lauraceae 1 state
Cirsium acanthoides
Scotch Thistle
Asteraceae 1 state
Cirsium arvense
Canada thistle
Asteraceae 28 states
Cirsium vulgare
Bull thistle
Asteraceae 7 states
Clematis armandii
Evergreen clematis
Ranunculaceae 1 state
Clematis ligusticifolia
Virgin's Bower
Ranunculaceae 1 state
Clematis terniflora
Sweet autumn clematis; Japanese Virgin's Bower
Ranunculaceae 5 states
Colubrina asiatica
Asian bluebell creeper
Rhamnaceae 1 state
Commelina benghalensis
Benghal Dayflower
Commelinaceae 1 state
Commelina communis
Asiatic Dayflower
Commelinaceae 1 state
Commelina diffusa
Tropical spiderwort
Commelinaceae 1 state
Conium maculatum
Poison hemlock
Apiaceae 10 states
Convolvulus arvensis
Field bindweed
Convolvulaceae 18 states
Conyzza canadensis
Horseweed
Asteraceae 1 state
Cornus alba
Red-twig Dogwood
Cornaceae 2 states
Cortaderia selloana
Pampas Grass
Poaceae 2 states
Crassula helmsii
Swamp Stonecrop
Crassulaceae 1 state
Crataegus monogyna
Single-seed Hawthorn
Rosaceae 1 state
Crataegus oxyacantha
English Hawthorn
Rosaceae 1 state
Crotalaria sagittalis
Arrowhead pigweed
Fabaceae 1 state
Crupina vulgaris
Common crupina
Asteraceae 1 state
Cryptomeria japonica
Japanese Cedar
Cupressaceae 1 state
Cryptostegia grandiflora
Rubber vine
Apocynaceae 3 states
Cupressus sempervirens var. stricta
Italian Cypress
Cupressaceae 1 state
Cuscuta campestris
Dodder
Convolvulaceae 6 states
Cuscuta epilinum
Flax Dodder
Convolvulaceae 1 state
Cuscuta epithymum
Clover Dodder
Convolvulaceae 2 states
Cuscuta gronovii
Swamp Dodder; American Dodder
Convolvulaceae 3 states
Cuscuta lupuliformis
Hop Dodder
Convolvulaceae 1 state
Cuscuta pentagona
Dodder; Oneseeded Dodder; Fiveangled Dodder
Convolvulaceae 4 states
Cynanchum laeve
Swallowwort; Pale
Apocynaceae 1 state
Cynodon dactylon
Bermuda grass; Bermudagrass
Poaceae 3 states
Cyperus esculentus
Yellow nutsedge
Cyperaceae 5 states
Cyperus rotundus
Purple Nutsedge
Cyperaceae 5 states
Cytisus scoparius
Scotch broom
Fabaceae 2 states
D
Dactylis glomerata
Orchardgrass
Poaceae 2 states
Daphne laureola
Spurge Laurel
Thymelaeaceae 2 states
Daphne mezereum
Daphne; February Daphne
Thymelaeaceae 2 states
Datura stramonium
Jimsonweed
Solanaceae 9 states
Delonix regia
Royal Poinciana
Fabaceae 1 state
Delphinium ajacis
Larkspur
Ranunculaceae 1 state
Delphinium consolida
Larkspur
Ranunculaceae 1 state
Descurainia sophia
Tansy Mustard
Brassicaceae 1 state
Digitaria insularis
Sourgrass
Poaceae 1 state
Digitaria ischaemum var. henryi
Dwarf Crabgrass
Poaceae 1 state
Digitaria sanguinalis
Large Crabgrass
Poaceae 1 state
Digitaria setigera
Australian Crabgrass
Poaceae 1 state
Dioscorea bulbifera
Air-potato
Dioscoreaceae 1 state
Dioscorea oppositifolia
Chinese Yam
Dioscoreaceae 2 states
Diospyros kaki
Japanese Persimmon; Oriental Persimmon
Ebenaceae 2 states
Dipsacus fullonum
Fuller teasel; Teasel
Dipsacaceae 2 states
Dipsacus laciniatus
Cut-leaved Teasel
Dipsacaceae 1 state
Distichlis spicata
Saltgrass
Poaceae 1 state
Ditylenchus dipsaci
Stem Nematode
Anguinidae 1 state
Dombeya acutangula
Dombeya
Sterculiaceae 1 state
Dorstenia contrajerva
Contrajerva
Moraceae 1 state
Draba nemorosa
Gray Draba
Brassicaceae 1 state
E
Echinochloa colona
Junglerice
Poaceae 2 states
Echinochloa crus-galli
Barnyardgrass
Poaceae 1 state
Echium vulgare
Blueweed; Vipers bugloss
Boraginaceae 1 state
Egeria densa
Brazilian Waterweed
Hydrocharitaceae 5 states
Ehrharta erecta
Veldtgrass
Poaceae 1 state
Eichhornia crassipes
Water hyacinth
Pontederiaceae 10 states
Elaeagnus angustifolia
Russian olive
Elaeagnaceae 5 states
Elaeagnus pungens
Thorny olive
Elaeagnaceae 1 state
Elaeagnus umbellata
Autumn olive
Elaeagnaceae 1 state
Eleusine indica
Goosegrass
Poaceae 2 states
Eleusine indica subsp. africana
African Eleusine
Poaceae 1 state
Eleusine indica subsp. indica
Goosegrass
Poaceae 1 state
Elodea canadensis
Waterweeds; American Waterweed
Hydrocharitaceae 3 states
Elodea nuttallii
Slender Waterweed
Hydrocharitaceae 1 state
Elymus dahuricus
Dahurian Wildrye
Poaceae 4 states
Elymus repens
Quackgrass
Poaceae 2 states
Elymus sibiricus
 
Poaceae 1 state
Emex australis
Three-cornered Jack
Polygonaceae 1 state
Emex spinosa
Prickly Emex
Polygonaceae 1 state
Entedon cecropis
Fig Wasp
Eulophidae 1 state
Epilobium angustifolium
Fireweed
Onagraceae 2 states
Eragrostis curvula
Lovegrass
Poaceae 2 states
Eremochloa ophiuroides
Centipede Grass
Poaceae 1 state
Erigeron canadensis
Canada Fleabane
Asteraceae 1 state
Erucastrum gallicum
Dog Mustard
Brassicaceae 1 state
Eryngium yuccifolium
Eryngium
Apiaceae 1 state
Euonymus alatus
Burning Bush
Celastraceae 1 state
Euonymus fortunei
Wintercreeper
Celastraceae 1 state
Euphorbia esula
Leafy spurge
Euphorbiaceae 11 states
F
Festuca arundinacea
Tall Fescue
Poaceae 3 states
Festuca elatior
Tall fescue
Poaceae 1 state
Foeniculum vulgare
Fennel
Apiaceae 1 state
Frangula alnus
Glossy Buckthorn
Rhamnaceae 3 states
G
Galega officinalis
Goatsrue
Fabaceae 1 state
Galium aparine
Cleavers
Rubiaceae 2 states
Genista monspessulana
French broom
Fabaceae 1 state
Geranium robertianum
Herb Robert
Geraniaceae 3 states
Glyceria maxima
Tall Mannagrass
Poaceae 2 states
Gypsophila paniculata
Baby's Breath
Caryophyllaceae 2 states
H
Halogeton glomeratus
Halogeton
Amaranthaceae 3 states
Heracleum mantegazzianum
Giant hogweed
Apiaceae 4 states
Hydrilla verticillata
Hydrilla
Hydrocharitaceae 11 states
Hypericum perforatum
St. Johns wort; St. John's wort; Common St. Johnswort
Hypericaceae 8 states
I
Imperata cylindrica
Cogongrass; Japanese bloodgrass
Poaceae 4 states
Iris pseudacorus
Yellow iris
Iridaceae 1 state
Isatis tinctoria
Dyer's Woad; Dyers woad
Brassicaceae 4 states
J
Jatropha gossypiifolia
Bellyache bush
Euphorbiaceae 1 state
Johnsongrass
Sorghum halepense; Johnsongrass
Poaceae 2 states
K
Kochia scoparia
Kochia
Amaranthaceae 3 states
L
Lactuca serriola
Prickly Lettuce
Asteraceae 3 states
Lagarosiphon spp.
African Elodea
Hydrocharitaceae 1 state
Lepidium draba
Whitetop; Hoary cress; Heart-podded hoary cress
Brassicaceae 3 states
Lepidium latifolium
Broadleaf pepperweed
Brassicaceae 4 states
Lespedeza cuneata
Sericea Lespedeza
Fabaceae 1 state
Ligustrum sinense
Chinese privet
Oleaceae 1 state
Ligustrum vulgare
European privet
Oleaceae 1 state
Linaria dalmatica
Dalmatian Toadflax
Scrophulariaceae 4 states
Linaria vulgaris
Butter-and-eggs
Scrophulariaceae 3 states
Linum catharticum
Purging Flax
Linaceae 1 state
Lolium multiflorum
Annual Ryegrass
Poaceae 3 states
Lolium temulentum
Darnel
Poaceae 4 states
Lonicera japonica
Bush honeysuckle
Caprifoliaceae 1 state
Lonicera maackii
Amur honeysuckle
Caprifoliaceae 2 states
Lonicera x bella
Bell's honeysuckle
Caprifoliaceae 1 state
Lotus corniculatus
Bird's-foot Trefoil
Fabaceae 1 state
Ludwigia hexapetala
Uruguay Waterprimrose
Onagraceae 1 state
Lycium ferocissimum
African Boxthorn
Solanaceae 1 state
Lygodium japonicum
Japanese climbing fern
Lygodiaceae 2 states
Lygodium microphyllum
Old world climbing fern
Lygodiaceae 1 state
Lythrum salicaria
Purple loosestrife
Lythraceae 25 states
M
Matricaria matricarioides
Pineappleweed
Asteraceae 1 state
Melaleuca quinquenervia
Melaleuca
Myrtaceae 1 state
Melilotus alba
White Sweetclover
Fabaceae 1 state
Melilotus officinalis
Yellow Sweetclover
Fabaceae 1 state
Mikania micrantha
Mile-a-minute
Asteraceae 1 state
Myriophyllum spicatum
Eurasian Watermilfoil
Haloragaceae 3 states
N
Nymphoides cristata
Floating Heart; Crested
Menyanthaceae 1 state
Nymphoides indica
Water Snowflake
Menyanthaceae 1 state
Nymphoides peltata
Yellow Floating Heart; Floating Heart; Yellow
Menyanthaceae 2 states
O
Onopordum acanthium
Scotch Thistle; Musk thistle
Asteraceae 4 states
Ornithogalum nutans
Drooping Star of Bethlehem
Liliaceae 1 state
Oxyaphis pseudodanthoniae
Bearded Oatgrass
Poaceae 1 state
Oxytropis lambertii
Poison milkvetch
Fabaceae 3 states
P
Paederia foetida
Skunk vine
Rubiaceae 2 states
Panicum dichotomiflorum
Fall Panicum
Poaceae 1 state
Passiflora edulis
Purple passionflower
Passifloraceae 1 state
Pastinaca sativa
Wild parsnip
Apiaceae 1 state
Peganum harmala
African rue
Zygophyllaceae 1 state
Pennisetum setaceum
Fountain grass
Poaceae 1 state
Persicaria amphibia
Smartweed
Polygonaceae 1 state
Persicaria perfoliata
Mile-a-Minute Weed
Polygonaceae 3 states
Petasites hybridus
Butterbur
Asteraceae 1 state
Phalaris arundinacea
Reed Canarygrass
Poaceae 2 states
Phleum pratense
Timothy
Poaceae 1 state
Phleum pratense subsp. bertolonii
Timothy; Smaller
Poaceae 1 state
Phytolacca americana
Pokeweed
Phytolaccaceae 1 state
Pinus ponderosa
Ponderosa Pine (seedlings)
Pinaceae 1 state
Pistia stratiotes
Water lettuce
Araceae 1 state
Poa annua
Annual Bluegrass
Poaceae 1 state
Polygonum japonica
Japanese Knotweed
Polygonaceae 3 states
Polygonum perfoliatum
Mile-a-minute vine; Mile-a-Minute Weed
Polygonaceae 3 states
Portulaca oleracea
Common Purslane
Portulacaceae 1 state
Pueraria montana
Kudzu
Fabaceae 3 states
Pueraria montana var. lobata
Kudzu
Fabaceae 1 state
R
Ranunculus acris
Meadow Buttercup
Ranunculaceae 1 state
Raphanus raphanistrum
Radish; Wild; Wild Radish
Brassicaceae 4 states
Reynoutria japonica
Japanese knotweed
Polygonaceae 1 state
Rhaponticum repens
Russian knapweed
Asteraceae 1 state
Ricinus communis
Castor bean
Euphorbiaceae 2 states
Rorippa sylvestris
Yellow Fieldcress
Brassicaceae 1 state
Rosa multiflora
Multiflora Rose
Rosaceae 7 states
Rumex acetosella
Common Sorrel
Polygonaceae 1 state
Rumex crispus
Curly Dock
Polygonaceae 1 state
S
Salsola australis
Russian Thistle
Amaranthaceae 2 states
Salsola kali
Russian thistle
Amaranthaceae 1 state
Salvia aethiopis
Mediterranean sage
Lamiaceae 1 state
Salvinia molesta
Giant salvinia
Salviniaceae 6 states
Salvinia spp.
Water Fern (except S. minima)
Salviniaceae 1 state
Sanguisorba minor
Salad Burnet
Rosaceae 1 state
Saponaria officinalis
Bouncing Bet
Caryophyllaceae 2 states
Scleranthus annuus
German Knotgrass
Caryophyllaceae 1 state
Scrophularia coccinea
Butterflybush
Scrophulariaceae 1 state
Setaria viridis
Green Foxtail
Poaceae 1 state
Sida spinosa
Prickly Fanpetals
Malvaceae 1 state
Solanum carolinense
Horsenettle
Solanaceae 2 states
Solanum elaeagnifolium
Silver leaf nightshade
Solanaceae 3 states
Solanum elaesagnifolium
Silverleaf Nightshade
Solanaceae 1 state
Solanum viarum
Tropical Soda Apple
Solanaceae 3 states
Sorghum bicolor subsp. drummondii
Johnsongrass
Poaceae 1 state
Sorghum halepense
Johnson grass
Poaceae 1 state
Spartina alterniflora
Smooth cordgrass
Poaceae 1 state
T
Taeniatherum caput-medusae
Medusahead
Poaceae 5 states
Tamarisk (Tamarix spp.)
Saltcedar
Tamaricaceae 3 states
Tamarix ramosissima
Saltcedar; Salt cedar
Tamaricaceae 4 states
Tamarix spp.
Salt cedar
Tamaricaceae 1 state
Tragopogon dubius
Yellow salsify
Asteraceae 2 states
Trapa spp.
Water-Chestnut
Trapaceae 1 state
Tribulus terrestris
Puncturevine
Zygophyllaceae 2 states
Tussilago farfara
Coltsfoot
Asteraceae 1 state
U
Ulex europaeus
Gorse
Fabaceae 1 state
V
Vincetoxicum nigrum
Black swallow-wort
Apocynaceae 1 state
Vincetoxicum rossicum
Pale swallow-wort
Apocynaceae 1 state
Vitex rotundifolia
Beach Vitex
Verbenaceae 1 state
No taxa match your search or filters.