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Abutilon theophrasti
Acacia baileyana
Acacia dealbata
Acacia decurrens
Acacia farnesiana
Acacia greggii
Acacia longifolia
Acacia mearnsii
Acacia melanoxylon
Acacia paradoxa
Acacia retinoides
Acaena novae-zelandiae
Acalypha virginica
Acer ginnala
Acer negundo
Acer platanoides
Acer rubrum
Acer saccharinum
Achillea millefolium
Achnatherum brachychaetum
Acroptilon repens
Aegilops cylindrica
Aegilops ovata
Aegilops triuncialis
Aegopodium podagraria
Aeschynomene rudis
Ageratina adenophora
Ageratina altissima
Agropyron cristatum
Agropyron desertorum
Agropyron fragile
Agrostemma githago
Agrostis avenacea
Agrostis capillaris
Agrostis exarata
Agrostis gigantea
Agrostis hyemalis
Agrostis pallens
Agrostis stolonifera
Ailanthus altissima
Aira caryophyllea
Aira praecox
Akebia quinata
Alcea rosea
Alhagi maurorum
Alisma lanceolatum
Alisma plantago-aquatica
Alliaria petiolata
Allium canadense
Allium neapolitanum
Allium paniculatum
Allium triquestrum
Allium vineale
Alnus glutinosa
Alopecurus carolinianus
Alopecurus myosuroides
Alopecurus pratensis
Alternanthera caracasana
Alternanthera philoxeroides
Alyssum alyssoides
Alyssum desertorum
Alyssum minus
Amaranthus albus
Amaranthus blitoides
Amaranthus deflexus
Amaranthus hybridus
Amaranthus palmeri
Amaranthus powellii
Amaranthus retroflexus
Amaranthus rudis
Amaranthus spinosus
Amaranthus tuberculatus
Ambrosia acanthicarpa
Ambrosia artemisiifolia
Ambrosia psilostachya
Ambrosia trifida
Ammannia robusta
Ammi majus
Ammi visnaga
Ammophila arenaria
Ammophila breviligulata
Amorpha fruticosa
Ampelopsis brevipedunculata
Amsinckia eastwoodiae
Amsinckia menziesii var. intermedia
Amsinckia menziesii var. menziesii
Anagallis arvensis
Andropogon virginicus
Anemopsis californica
Anoda cristata
Antennaria plantaginifolia
Anthemis arvensis
Anthemis cotula
Anthemis tinctoria
Anthoxanthum aristatum
Anthoxanthum odoratum
Anthriscus caucalis
Anthriscus sylvestris
Antirrhinum orontium
Apios americana
Apium graveolens
Apocynum androsaemifolium
Apocynum cannabinum
Arabidopsis thaliana
Araujia sericofera
Arctium lappa
Arctium minus
Arctotheca calendula
Arenaria serpyllifolia
Argemone hispida
Aristida adscensionis
Aristida oligantha
Aristida purpurea
Arrhenatherum elatius
Artemisia absinthium
Artemisia annua
Artemisia biennis
Artemisia douglasiana
Artemisia frigida
Artemisia tridentata
Artemisia vulgaris
Arum italicum
Arundo donax
Asclepias fascicularis
Asclepias incarnata
Asclepias latifolia
Asclepias speciosa
Asclepias subverticillata
Asclepias syriaca
Asclepias verticillata
Asperugo procumbens
Asphodelus fistulosus
Aster subulatus var. ligulatus
Astragalus spp.
Atriplex hortensis
Atriplex patula
Atriplex prostrata
Atriplex rosea
Atriplex semibaccata
Avena barbata
Avena fatua
Avena sativa
Avena sterilis
Axonopus fissifolius
Azolla spp.
Baccharis salicifolia
Bacopa eisenii
Bacopa monnieri
Bacopa rotundifolia
Barbarea orthoceras
Barbarea verna
Barbarea vulgaris
Bassia hyssopifolia
Bassia scoparia
Belamcanda chinensis
Bellardia trixago
Bellis perennis
Berberis thunbergii
Berberis vulgaris
Berteroa incana
Beta vulgaris
Bidens cernua
Bidens frondosa
Bidens pilosa
Bidens tripartita
Bidens vulgata
Borago officinalis
Bouteloua aristidoides
Brachypodium distachyon
Brachypodium pinnatum
Brachypodium sylvaticum
Brasenia schreberi
Brassica juncea
Brassica napus
Brassica nigra
Brassica rapa
Brassica tournefortii
Briza maxima
Briza minor
Bromus alopecuros
Bromus arenarius
Bromus briziformis
Bromus carinatus
Bromus catharticus
Bromus diandrus
Bromus hordeaceus
Bromus inermis
Bromus japonicus
Bromus madritensis ssp. madritensis
Bromus racemosus
Bromus rubens
Bromus secalinus
Bromus sterilis
Bromus tectorum
Buddleja davidii
Buglossoides arvensis
Bunias orientalis
Butomus umbellatus
Cabomba caroliniana
Caesalpinia gilliesii
Cakile edentula
Cakile maritima
Calandrinia ciliata
Calendula arvensis
Callitriche stagnalis
Calystegia occidentalis
Calystegia sepium
Camelina microcarpa
Camelina sativa
Campanula rapunculoides
Campsis radicans
Cannabis sativa
Capsella bursa-pastoris
Caragana arborescens
Cardamine hirsuta
Cardamine oligosperma
Cardamine parviflora
Cardaria chalapensis
Cardaria draba
Cardaria pubescens
Carduus acanthoides
Carduus nutans
Carduus pycnocephalus
Carduus tenuiflorus
Carex blanda Dewey
Carex lupulina
Carpobrotus chilensis
Carpobrotus edulis
Carthamus baeticus
Carthamus lanatus
Carthamus tinctorius
Carum carvi
Catalpa bignonioides
Celastrus orbiculatus
Celastrus scandens
Cenchrus echinatus
Cenchrus incertus
Cenchrus longispinus
Centaurea calcitrapa
Centaurea cyanus
Centaurea diffusa
Centaurea iberica
Centaurea maculosa
Centaurea melitensis
Centaurea nigra
Centaurea nigrescens
Centaurea solstitialis
Centaurea stoebe L. ssp. micranthos
Centaurea sulphurea
Centaurea virgata ssp. squarrosa
Centranthus ruber
Cerastium arvense
Cerastium dichotomum
Cerastium fontanum
Cerastium glomeratum
Ceratophyllum demersum
Chamaedaphne calyculata
Chelidonium majus
Chenopodium album
Chenopodium album var. missouriense
Chenopodium ambrosioides
Chenopodium berlandieri
Chenopodium botrys
Chenopodium multifidum
Chenopodium murale
Chenopodium pumilio
Chenopodium simplex
Chloris gayana
Chloris truncata
Chloris verticillata
Chloris virgata
Chondrilla juncea
Chorispora tenella
Chrysanthemum coronarium
Chrysanthemum segetum
Cichorium intybus
Cicuta douglasii
Cicuta maculata
Cirsium altissimum
Cirsium arvense
Cirsium discolor
Cirsium ochrocentrum
Cirsium palustre
Cirsium undulatum
Cirsium vulgare
Cistus creticus
Cistus ladanifer
Citrullus lanatus var. citroides
Claytonia parviflora
Claytonia perfoliata
Clematis orientalis
Cleome serrulata
Cnicus benedictus
Conicosia pugioniformis
Conium maculatum
Convallaria majalis
Convolvulus althaeoides
Convolvulus arvensis
Conyza bonariensis
Conyza canadensis
Conyza coulteri
Conyza floribunda
Conyza ramosissima
Coreopsis tinctoria
Cornus racemosa
Cornus stolonifera
Coronilla varia
Coronopus didymus
Coronopus squamatus
Cortaderia jubata
Cortaderia selloana
Cotoneaster franchetii
Cotoneaster lacteus
Cotoneaster pannosus
Cotula australis
Cotula coronopifolia
Cotula mexicana
Crassula tillaea
Crataegus monogyna
Crepis bursifolia
Crepis capillaris
Crepis setosa
Crepis tectorum
Crepis vesicaria
Cressa truxillensis
Crocosmia x crocosmiflora
Croton capitatus
Croton glandulosus
Croton setigerus
Crupina vulgaris
Crypsis alopecuroides
Crypsis schoenoides
Crypsis vaginiflora
Cucumis melo var. dudaim
Cucumis myriocarpus
Cucurbita foetidissima
Cuscuta japonica
Cuscuta pentagona
Cuscuta spp.
Cyclachaena xanthifolia
Cyclospermum leptophyllum
Cylindropuntia imbricata
Cynanchum louiseae
Cynara cardunculus
Cynodon dactylon
Cynodon plectostachyus
Cynodon transvalensis
Cynoglossum officinale
Cynosurus cristatus
Cynosurus echinatus
Cyperus difformis
Cyperus eragrostis
Cyperus erythrorhizos
Cyperus esculentus
Cyperus flavicomus
Cyperus fuscus
Cyperus odoratus
Cyperus rotundus
Cyperus strigosus
Cytisus scoparius
Cytisus striatus
Dactylis glomerata
Dactyloctenium aegyptium
Datura ferox
Datura inoxia
Datura stramonium
Datura wrightii
Daucus carota
Daucus pusillus
Delairea odorata
Delphinium carolinianum
Delphinium spp.
Deschampsia caespitosa
Descurainia pinnata
Descurainia sophia
Desmazeria rigida
Dianthus armeria
Dichondra repens
Digitalis lanata
Digitalis purpurea
Digitaria ischaemum
Digitaria sanguinalis
Dimorphotheca sinuata
Diodia teres
Dioscorea oppositifolia
Diplotaxis tenuifolia
Dipsacus fullonum
Dipsacus laciniatus
Dipsacus sativus
Dipsacus spp.
Distichlis spicata
Dittrichia graveolens
Drymaria arenarioides
Duchesnea indica
Echinacea purpurea
Echinochloa colona
Echinochloa crus-galli
Echinochloa crus-pavonis
Echinochloa muricata
Echinochloa oryzicola
Echinochloa oryzoides
Echinocystis lobata
Echinodorus berteroi
Echium candicans
Echium pininana
Echium plantagineum
Echium vulgare
Eclipta prostrata
Egeria densa
Ehrharta calycina
Ehrharta erecta
Ehrharta longiflora
Eichhornia crassipes
Elaeagnus angustifolia
Elaeagnus umbellata
Eleocharis acicularis
Eleocharis macrostachya
Eleocharis obtusa
Eleocharis parvula
Eleusine indica
Eleusine tristachya
Ellisia nyctelea
Elodea canadensis
Elymus elymoides
Elymus glaucus
Elymus multisetus
Elymus repens
Elymus trachycaulus
Elytrigia elongata
Elytrigia intermedia
Elytrigia juncea
Emex spinosa
Epilobium angustifolium
Epilobium brachycarpum
Epilobium ciliatum
Epilobium hirsutum
Epipactis helleborine
Equisetum arvense
Equisetum hyemale
Equisetum laevigatum
Equisetum telmateia var. braunii
Eragrostis barrelieri
Eragrostis cilianensis
Eragrostis curvula
Eragrostis lehmanniana
Eragrostis mexicana
Eragrostis minor
Eragrostis pectinacea
Eragrostis spectabilis
Erechtites glomerata
Erechtites hieraciifolia
Erechtites minima
Erigeron annuus
Erigeron karvinskianus
Erigeron philadelphicus
Erigeron strigosus
Eriochloa acuminata
Eriochloa contracta
Eriochloa villosa
Eriophorum angustifolium
Eriophorum vaginatum
Erodium botrys
Erodium brachycarpum
Erodium cicutarium
Erodium moschatum
Erodium texanum
Eruca vesicaria ssp. sativa
Erysimum cheiranthoides
Eucalyptus globulus
Euonymus alata
Euonymus fortunei
Eupatorium altissimum
Eupatorium maculatum
Eupatorium perfoliatum
Eupatorium purpureum
Eupatorium serotinum
Euphorbia albomarginata
Euphorbia corollata
Euphorbia cyparissias
Euphorbia dentata
Euphorbia esula
Euphorbia helioscopia
Euphorbia lathyris
Euphorbia maculata
Euphorbia marginata
Euphorbia myrsinites
Euphorbia nutans
Euphorbia oblongata
Euphorbia peplus
Euphorbia prostrata
Euphorbia serpens
Euphorbia serpyllifolia
Euphorbia serrata
Euphorbia terracina
Euthamia graminifolia
Festuca arundinacea
Festuca californica
Festuca idahoensis
Festuca occidentalis
Festuca pratensis
Festuca rubra
Ficus carica
Filago gallica
Filipendula ulmaria
Foeniculum vulgare
Fumaria capreolata
Fumaria officinalis
Fumaria parviflora
Funastrum cynanchoides (Decne.) Schltr. ssp. cynanchoides
Gaillardia pulchella
Galega officinalis
Galeopsis tetrahit
Galinsoga parviflora
Galinsoga quadriradiata
Galium aparine
Galium divaricatum
Galium mollugo
Galium murale
Galium parisiense
Galium verum
Gastridium phleoides
Gaura coccinea
Gaura drummondii
Gaura parviflora
Gaura sinuata
Genista linifolia
Genista monspessulana
Geranium carolinianum
Geranium dissectum
Geranium lucidum
Geranium molle
Geranium purpureum
Geranium pusillum
Geranium retrorsum
Geranium robertianum
Geranium rotundifolium
Glechoma hederacea
Gleditsia triacanthos
Glyceria declinata
Glyceria grandis
Glycyrrhiza lepidota
Gnaphalium exilifolium
Gnaphalium luteo-album
Gnaphalium palustre
Gnaphalium purpurea
Grindelia camporum
Grindelia squarrosa var. serrulata
Gutierrezia sarothrae
Gypsophila paniculata
Hainardia cylindrica
Halogeton glomeratus
Hedera canariensis
Hedera helix
Hedypnois cretica
Helenium amarum
Helenium autumnale
Helianthus annuus
Helianthus grosseserratus
Helianthus maximilianii
Helianthus tuberosus
Helichrysum petiolare
Heliopsis helianthoides
Heliotropium amplexicaule
Heliotropium curassavicum
Heliotropium europaeum
Hemerocallis fulva
Hemizonia fitchii
Hemizonia kellogii
Hemizonia lobbii
Hemizonia parryi
Hemizonia pungens
Heracleum lanatum
Heracleum mantegazzianum
Herniaria hirsuta ssp. cinerea
Hesperis matronalis
Heteranthera dubia
Heteranthera limosa
Heteropogon contortus
Heterotheca grandiflora
Hibiscus trionum
Hieracium aurantiacum
Hieracium caespitosum
Hirschfeldia incana
Hoffmannseggia glauca
Holcus lanatus
Holcus mollis
Holocarpha virgata
Holosteum umbellatum
Hordeum brachyantherum ssp. brachyantherum
Hordeum brachyantherum subsp. californicum
Hordeum jubatum
Hordeum marinum ssp. gussoneanum
Hordeum murinum ssp. glaucum
Hordeum murinum ssp. leporinum
Hordeum pusillum
Humulus japonicus
Hydrilla verticillata
Hydrocotyle moschata
Hydrocotyle ranunculoides
Hydrocotyle sibthorpioides
Hyoscyamus niger
Hypericum boreale
Hypericum canariense
Hypericum mutilum
Hypericum perforatum
Hypochaeris glabra
Hypochaeris radicata
Ilex aquifolium
Impatiens capensis
Imperata brevifolia
Ipomoea cristulata
Ipomoea hederacea
Ipomoea indica
Ipomoea nil
Ipomoea purpurea
Ipomoea triloba
Iris douglasiana
Iris missouriensis
Iris pseudacorus
Isatis tinctoria
Iva annua
Iva axillaris
Juncus bufonius
Juncus effusus
Juncus patens
Juncus tenuis
Juniperus monosperma
Juniperus occidentalis
Juniperus virginiana
Kickxia elatine
Kickxia spuria
Koeleria macrantha
Koeleria phleoides
Kyllinga brevifolia
Lactuca canadensis
Lactuca saligna
Lactuca serriola
Lactuca tatarica var. pulchella
Lactuca virosa
Lagarosiphon major
Lagurus ovatus
Lamarckia aurea
Lamium amplexicaule
Lamium purpureum
Laportea canadensis
Lapsana communis
Larrea tridentata
Lathyrus angulatus
Lathyrus latifolius
Lathyrus odoratus
Lathyrus tingitanus
Lavatera arborea
Lavatera cretica
Leersia oryzoides
Lemna spp.
Leontodon taraxacoides
Leonurus cardiaca
Lepidium campestre
Lepidium densiflorum
Lepidium draba
Lepidium latifolium
Lepidium nitidum
Lepidium oblongum
Lepidium perfoliatum
Lepidium pinnatifidum
Lepidium virginicum
Leptochloa fascicularis
Leptochloa uninervia
Lespedeza bicolor
Lespedeza cuneata
Leucanthemum vulgare
Leymus arenarius
Leymus cinereus
Leymus triticoides
Ligustrum lucidum
Ligustrum vulgare
Limnobium laevigatum
Limnophila x ludoviciana
Linaria dalmatica
Linaria maroccana
Linaria purpurea
Linaria vulgaris
Lindernia dubia
Linum usitatissimum
Lobularia maritima
Lolium multiflorum
Lolium perenne
Lolium rigidum
Lolium temulentum
Lonicera japonica
Lonicera spp.
Lonicera tatarica
Lotus corniculatus
Lotus purshiana
Ludwigia hexapetala
Ludwigia palustris
Ludwigia peploides
Ludwigia repens
Lunaria annua
Lupinus arboreus
Lychnis coronaria
Lycium pallidum
Lysimachia lanceolata
Lysimachia nummularia
Lysimachia quadrifolia
Lysimachia terrestris
Lysimachia vulgaris
Lythrum californicum
Lythrum hyssopifolium
Lythrum portula
Lythrum salicaria
Lythrum tribracteatum
Maclura pomifera
Malephora crocea
Malva moschata
Malva neglecta
Malva nicaeensis
Malva parviflora
Malva sylvestris
Malvella leprosa
Marah spp.
Marrubium vulgare
Marsilea vestita
Matricaria discoidea
Matthiola incana
Medicago arabica
Medicago lupulina
Medicago polymorpha
Medicago sativa
Melica californica
Melilotus albus
Melilotus indicus
Melilotus officinalis
Mentha arvensis
Mentha pulegium
Mentha spicata
Mentha suaveolens
Mercurialis annua
Mesembryanthemum crystallinum
Mesembryanthemum nodiflorum
Microstegium vimineum
Mirabilis nyctaginea
Miscanthus sinensis
Modiola caroliniana
Mollugo verticillata
Monochoria vaginalis
Monolepis nuttalliana
Morus alba
Muhlenbergia frondosa
Muhlenbergia microsperma
Muhlenbergia rigens
Muhlenbergia schreberi
Myoporum laetum
Myosotis arvensis
Myosotis latifolia
Myosotis scorpioides
Myosotis sylvatica
Myriophyllum aquaticum
Myriophyllum sibiricum
Myriophyllum spicatum
Najas graminea
Najas guadalupensis
Najas marina
Nassella cernua
Nassella lepida
Nassella pulchra
Nepeta cataria
Neslia paniculata
Nicotiana acuminata var. multiflora
Nicotiana attenuata
Nicotiana glauca
Nicotiana quadrivalvis
Nothoscordum gracile
Nuphar polysepala
Nuttallanthus canadensis
Nymphaea mexicana
Nymphaea odorata
Nymphoides peltata
Oenothera biennis
Oenothera elata
Oenothera glazioviana
Oenothera laciniata
Oenothera speciosa
Oligoneuron rigidum
Onoclea sensibilis
Ononis alopecuroides
Onopordum acanthium
Onopordum illyricum
Onopordum tauricum
Opuntia fragilis
Opuntia phaeacantha
Ornithogalum umbellatum
Orobanche cooperi
Orobanche ramosa
Osteospermum ecklonis
Oxalis corniculata
Oxalis pes-caprae
Oxalis rubra
Oxalis stricta
Panicum antidotale
Panicum capillare
Panicum dichotomiflorum
Panicum miliaceum
Parapholis incurva
Parentucellia latifolia
Parentucellia viscosa
Parietaria judaica
Parkinsonia aculeata
Paronychia franciscana
Parthenocissus quinquefolia
Pascopyrum smithii
Paspalum dilatatum
Paspalum distichum
Paspalum notatum
Paspalum urvillei
Passiflora caerulea
Pastinaca sativa
Peganum harmala
Pelargonium grossulariodes
Pennisetum ciliare
Pennisetum clandestinum
Pennisetum setaceum
Pennisetum villosum
Penthorum sedoides
Petrorhagia dubia
Phacelia spp.
Phalaris aquatica
Phalaris arundinacea
Phalaris brachystachys
Phalaris canariensis
Phalaris caroliniana
Phalaris minor
Phalaris paradoxa
Phellodendron amurense
Phleum pratense
Phoenix canariensis
Phoradendron densum
Phoradendron juniperum
Phoradendron macrophyllum
Phoradendron villosum
Phragmites australis
Phyla nodiflora
Physalis acutifolia
Physalis angulata
Physalis heterophylla
Physalis longifolia
Physalis philadelphica
Phytolacca americana
Picris echioides
Pinus sylvestris
Piptatherum miliaceum
Pistia stratiotes
Pittosporum undulatum
Plantago aristata
Plantago coronopus
Plantago indica
Plantago lanceolata
Plantago major
Plantago patagonica
Plantago rugelii
Plantago virginica
Pluchea sericea
Poa annua
Poa bulbosa
Poa compressa
Poa nemoralis
Poa palustris
Poa pratensis
Poa secunda
Poa trivialis
Polanisia dodecandra ssp. trachysperma
Polycarpon tetraphyllum
Polygonum amphibium var. emersum
Polygonum amphibium var. stipulaceum
Polygonum arenastrum
Polygonum argyrocoleon
Polygonum aviculare
Polygonum convolvulus
Polygonum cuspidatum
Polygonum hydropiper
Polygonum hydropiperoides
Polygonum lapathifolium
Polygonum pensylvanicum
Polygonum persicaria
Polygonum polystachyum
Polygonum punctatum
Polygonum sachalinense
Polygonum sagittatum
Polypogon australis
Polypogon imberbis
Polypogon interruptus
Polypogon maritimus
Polypogon monspeliensis
Polypogon viridis
Pontederia cordata
Populus alba
Populus deltoides
Populus tremuloides
Portulaca oleracea
Potamogeton amplifolius
Potamogeton crispus
Potamogeton foliosus
Potamogeton illinoensis
Potamogeton natans
Potamogeton nodosus
Potentilla argentea
Potentilla norvegica
Potentilla recta
Proboscidea louisianica
Proboscidea lutea
Prosopis glandulosa
Prosopis velutina
Prunella vulgaris
Prunus cerasifera
Prunus serotina
Pteridium aquilinum
Puccinellia distans
Pyracantha angustifolia
Pyracantha crenataserrata
Pyrus calleryana
Ranunculus abortivus
Ranunculus acris
Ranunculus arvensis
Ranunculus bulbosus
Ranunculus californicus
Ranunculus ficaria
Ranunculus flammula
Ranunculus muricatus
Ranunculus occidentalis
Ranunculus orthorhynchus
Ranunculus parviflorus
Ranunculus repens
Ranunculus sardous
Ranunculus sceleratus
Ranunculus testiculatus
Ranunculus trichophyllus
Raphanus raphanistrum
Raphanus sativus
Reseda luteola
Rhamnus catharticus
Rhamnus frangula
Rhodotypos scandens
Rhus glabra
Rhus trilobata
Rhus typhina
Rhynchelytrum repens
Ricinus communis
Robinia pseudoacacia
Rorippa austriaca
Rorippa nasturtium-aquaticum
Rorippa palustris
Rorippa sinuata
Rorippa sylvestris
Rosa canina
Rosa eglanteria
Rosa multiflora
Rotala indica
Rotala ramosior
Rubus allegheniensis
Rubus armeniacus
Rubus hispidus
Rubus laciniatus
Rubus leucodermis
Rubus parviflorus
Rubus pensilvanicus
Rubus phoenicolasius
Rubus ursinus
Rudbeckia hirta
Rumex acetosella
Rumex altissimus
Rumex conglomeratus
Rumex crispus
Rumex dentatus
Rumex kerneri
Rumex obtusifolius
Rumex pulcher
Ruppia cirrhosa
Ruppia maritima
Saccharum ravennae
Sagina apetala
Sagina procumbens
Sagittaria latifolia
Sagittaria longiloba
Sagittaria montevidensis
Salix alba
Salix babylonica
Salix exigua
Salix gooddingii
Salix laevigata
Salix lasiolepis
Salix spp.
Salpichroa organifolia
Salsola paulsenii
Salsola soda
Salsola tragus
Salvia aethiopis
Salvia reflexa
Salvia virgata
Salvinia molesta
Sambucus canadensis
Sanguisorba minor
Sapium sebiferum
Saponaria officinalis
Scandix pecten-veneris
Schinus molle
Schinus terebinthifolius
Schismus arabicus
Schismus barbatus
Schoenoplectus acutus
Scirpus acutus
Scirpus californicus
Scirpus fluviatilis
Scirpus glaucus
Scirpus maritimus
Scirpus mucronatus
Scirpus robustus
Scleranthus annuus
Sclerochloa dura
Secale cereale
Senecio elegans
Senecio jacobaea
Senecio sylvaticus
Senecio vulgaris
Sesbania exaltata
Sesbania punicea
Setaria adhaerens
Setaria faberi
Setaria gracilis
Setaria italica
Setaria pumila
Setaria sphacelata
Setaria verticillata
Setaria viridis
Sibara virginica
Sicyos angulatus
Sida rhombifolia
Silene conoidea
Silene dichotoma
Silene gallica
Silene latifolia
Silene noctiflora
Silene vulgaris
Silybum marianum
Sinapis alba
Sinapis arvensis
Sisymbrium altissimum
Sisymbrium erysimoides
Sisymbrium irio
Sisymbrium loeselii
Sisymbrium officinale
Sisymbrium orientale
Solanum americanum
Solanum carolinense
Solanum dimidiatum
Solanum dulcamara
Solanum elaeagnifolium
Solanum furcatum
Solanum lanceolatum
Solanum marginatum
Solanum mauritianum
Solanum nigrum
Solanum physalifolium
Solanum ptycanthum
Solanum rostratum
Solanum triflorum
Solidago altissima
Solidago canadensis
Solidago nemoralis
Soliva sessilis
Sonchus arvensis
Sonchus asper
Sonchus oleraceus
Sorbus aucuparia
Sorghum bicolor
Sorghum halepense
Spartina alterniflora
Spartina densiflora
Spartina patens
Spartium junceum
Spergula arvensis
Spergularia bocconii
Spergularia rubra
Sphaerophysa salsula
Spiraea japonica
Spirodela polyrrhiza
Sporobolus indicus
Sporobolus vaginiflorus
Stellaria aquatica
Stellaria graminea
Stellaria media
Stenotaphrum secundatum
Stephanomeria exigua ssp. coronaria
Stipa capensis
Stuckenia pectinatus
Symphyotrichum ericoides
Symphyotrichum pilosum
Symphytum asperum
Symphytum officinale
Taeniatherum caput-medusae
Tamarix aphylla
Tamarix chinensis
Tamarix parviflora
Tamarix ramosissima
Tanacetum parthenium
Tanacetum vulgare
Taraxacum officinale
testing
TestingForb
TestingGrass
TestingWood
Tetragonia tetragonioides
Teucrium canadense
Thlaspi arvense
Torilis arvensis
Torilis japonica
Torilis nodosa
Toxicodendron diversilobum
Toxicodendron radicans
Toxicodendron rydbergii
Tragopogon dubius
Tragopogon porrifolius
Tragopogon pratensis
Trapa natans
Triadenum fraseri
Trianthema portulacastrum
Tribulus terrestris
Trichostema lanceolatum
Trifolium angustifolium
Trifolium arvense
Trifolium campestre
Trifolium dubium
Trifolium fragiferum
Trifolium glomeratum
Trifolium hirtum
Trifolium hybridum
Trifolium incarnatum
Trifolium pratense
Trifolium repens
Trifolium subterraneum
Triglochin maritima
Triodanis perfoliata
Tripleurospermum perforatum
Triticum aestivum
Tropaeolum majus
Typha angustifolia
Typha domingensis
Typha latifolia
Typha x glauca
Ulex europaeus
Ulmus pumila
Urtica dioica ssp. gracilis
Urtica dioica ssp. holosericea
Urtica urens
Vaccaria hispanica
Valeriana officinalis
Ventenata dubia
Veratrum californicum
Veratrum viride
Verbascum blattaria
Verbascum thapsus
Verbascum virgatum
Verbena bonariensis
Verbena bracteata
Verbena hastata
Verbena litoralis
Verbena stricta
Verbena tenuisecta
Verbesina encelioides ssp. exauriculata
Veronica anagallis-aquatica
Veronica arvensis
Veronica biloba
Veronica chamaedrys
Veronica filiformis
Veronica hederifolia
Veronica officinalis
Veronica peregrina ssp. xalapensis
Veronica persica
Veronica serpyllifolia
Viburnum lantana
Viburnum opulus
Vicia benghalensis
Vicia cracca
Vicia faba
Vicia hirsuta
Vicia sativa
Vicia tetrasperma
Vicia villosa
Vinca major
Vinca minor
Viola arvensis
Viola lanceolata
Viola odorata
Viola sororia
Viola tricolor
Viscum album
Vitis labrusca
Vitis riparia
Vulpia bromoides
Vulpia microstachys
Vulpia myuros
Vulpia octoflora
Washingtonia robusta
Wolffia spp.
Xanthium spinosum
Xanthium strumarium
Zannichellia palustris
Zantedeschia aethiopica
Zanthoxylum americanum
Zigadenus fremontii
Zigadenus paniculatus
Zigadenus venenosus
Zygophyllum fabago
zzz
OR
common name
absinth wormwood
Achnatherum capense
Aegilops geniculata
African bermudagrass
African bristlegrass
African daisy
African elodea
African pricklegrass
African rue
Agropyron intermedium
Agropyron junceum
Agropyron repens
Agropyron sibiricum
Agropyron smithii
Agropyrum pectiniforme
Agrostis alba
Agrostis diegoensis
Agrostis lepida
Agrostis semiverticillata
Agrostis stolonifera ssp. gigantea
Agrostis stolonifera var. major
Agrostis sylvatica
Agrostis tenuis
Agrostis viridis
Agrostis vulgaris
alfalfa
alfombrilla
Algerian ivy
Alhagi camelorum
Alhagi pseudalhagi
alkali mallow
alkaliweed
Allegheny blackberry
alligatorweed
Alopecurus agrestis
alsike clover
American beachgrass
American bittersweet
American black nightshade
American burnweed
american elderberry
American germander
American mannagrass
American nettle
American pondweed
American sea-rocket
American yellow rocket
Amur corktree
amur maple
angled peavine
annual bluegrass
annual bursage
annual false-brome
annual fleabane
annual junegrass
annual marshelder
annual mercury
annual moonwort
annual sowthistle
annual vernalgrass
annual wormwood
Anthoxanthum odoratum var. puelii
Anthoxanthum puelii
apple mint
Arabian Mediterraneangrass
arrow-leaf tear-thumb
arrowleaf sida
arrowweed
arroyo willow
artichoke thistle; cardoon
ash-leaved maple
Asian bittersweet
Asiatic bittersweet
Aster ericoides
Aster pilosus
athel tamarisk
Atriplex hastata
Atriplex patula
Atriplex triangularis
Australian burnweed
Australian chess
Australian saltbush
Austrian fieldcress
autum olive
Axonopus affinis
babysbreath
bachelor buttons
bahiagrass
bald brome
ballmustard
barb goatgrass
barbgrass
barbwire Russian thistle
barnyardgrass
basin wildrye
bearded sprangletop
beardless wildrye
bellardia
bermudagrass
biddy-biddy
biennial wormwood
bigleaf mistletoe
big periwinkle
big quakinggrass
big sagebrush
big squirreltail
bilobed speedwell
birdfoot buttercup
birdseye pearlwort
birdsfoot trefoil
birdsrape mustard
bird vetch
Bishops goutweed
bitter lettuce
bitter sneezeweed
bittersweet nightshade
black acacia
black alder
blackberry
blackberry lily
black cherry
blackeyed Susan
blackgrass
black henbane
black jet-bead
black knapweed
black locust
black medic
black mustard
black nightshade
blackseed plantain
black swallow-wort
black wattle
bladder campion
bladderflower
blessed milkthistle
blessed thistle
blue bunchgrass
blue crown passionflower
blue lettuce
blue morningglory
blue mustard
blue panicgrass
blue vervain
blueweed
blue wildrye
blunt spikerush
Boccone`s sandspurry
bog white violet
Bolboschoenus fluviatilis
Bolboschoenus glaucus
Bolboschoenus maritimus
Bolboschoenus robustus
boneset
bouncingbet
boxelder
bracken
bracken fern
bracted plantain
branched broomrape
brassbuttons
Brassica geniculata
Brassica hirta
Brassica incana
Brassica kaber
Brazilian egeria
Brazilian peppertree
bristly dewberry
bristly foxtail
bristly hawksbeard
bristly mallow
bristly oxtongue
brittle pricklypear
brittlestem hempnettle
broad bean
broadleaf dock
broadleaf filaree
broadleaf forget-me-not
broadleaf helleborine
broadleaf milkweed
broadleaf plantain
broadleaved glandweed
Bromus alopecurus
Bromus brizaeformis
bromus commutatus
Bromus distachya
Bromus madritensis ssp. rubens
Bromus mollis
Bromus pumpellianus
Bromus rigidus
Bromus willdenovii
broomsedge
broom snakeweed
brown flatsedge
brown mustard
buckhorn plantain
buffalobur
buffalo gourd
buffelgrass
bulbil loosestrife
bulbous bluegrass
bulbous buttercup
bull mallow
bull thistle
bur beggarticks
bur bristlegrass
bur buttercup
bur chervil
bur marigold
burningbush
burning nettle
burr cucumber
butter-and-eggs
butter and eggs
buttercup oxalis
butterfly bush
California arrowhead
California barley
California brome
California bulrush
California burclover
California buttercup
California false-hellebore
California fescue
California loosestrife
California melic
California mugwort
calla lily
Callery pear
camelthorn
Canada bluegrass
Canada goldenrod
Canada thistle
Canadian goldenrod
Canadian woodnettle
canarygrass
Canary Island date palm
Canary Island hypericum
cane cholla
Cape ivy
caper or gopher spurge
capeweed
Carex laxiflora Lam. var. blanda
carnation spurge
Carolina canarygrass
Carolina foxtail
Carolina geranium
Carolina horsenettle
Carolina larkspur
carpetgrass
carpetweed
castorbean
catchweed
catchweed bedstraw
catclaw acacia
catnip
Cenchrus carolinianus
Cenchrus ciliaris
Cenchrus spinifex
Centaruea debeauxii; Centaurea pratensis; meadow knapweed
Centaurea biebersteinii
Centaurea maculosa
Centaurea picris
Centaurea repens
Centaurea squarrosa
Ceratocephala testiculata
cereal rye
Chamaesyce maculata
Chamaesyce nutans
Chamaesyce serpyllifolia
Chamomilla suaveolens
cheat
cheatgrass
Chenopodium hybridum
cherry plum
chicory
Chilean polypogon
Chinese bush clover
Chinese clematis
Chinese silvergrass
Chinese tallowtree
Chinese thornapple; oakleaf datura
Chinese yam
chocolate vine
Chrysanthemum leucanthemum
Chrysanthemum parthenium
citronmelon
clammy goosefoot
clammy groundcherry
clasping heliotrope
clasping pepperweed
climbing milkweed
climbing nightshade
clinging bristlegrass
cluster dock
clustered clover
coast fiddleneck
codlins-and-cream
colonial bentgrass
common arrowhead
common barberry
common blue violet
common borage
common buckthorn
common burdock
common caraway
common catsear
common cattail
common chickweed
common cocklebur
common comfrey
common crupina
common dandelion
common elderberry
common elodea
common eveningprimrose
common flax
common goldenrod
common groundnut
common groundsel
common gumplant
common knotweed
common lambsquarter
common mallow
common mediterraneangrass
common milkweed
common motherwort
common mullein
common nipplewort
common pepperweed
common periwinkle
common pokeweed
common pricklyash
common privet
common purslane
common ragweed
common reed
common salsify
common selfheal
common sheep sorrel
common sneezeweed
common sowthistle
common speedwell
common St. Johnswort
common stock
common sunflower
common sweetpea
common tansy
common teasel
common velvetgrass
common venuslookingglass
common vetch
common waterplantain
common wormwood
common yarrow
common yellow oxalis
cone catchfly
coontail
Coopers broomrape
cootamundra wattle
coppery mesembryanthemum
corn
corn buttercup
corn chamomile
corn cockle
corn daisy
cornflower
corn gromwell
Cornish mallow
corn speedwell
corn spurry
Cornus sericea ssp. sericea
cosmopolitan bulrush
Coulter`s conyza
cow-parsnip
cowcockle
cow vetch
coyote tobacco
coyote willow
cranberry viburnum
creeping-Charlie
creeping bellflower
creeping bentgrass
creeping buttercup
creeping Charlie
creeping jenny
creeping spikerush
creeping spurge
creeping waterprimrose
creeping wildrye
creeping woodsorrel
creosotebush
crested dogtailgrass
crested wheatgrass
cretanweed
crimson clover
crimson fountaingrass
crocosmia
croftonweed
crowfoot buttercup
crowfootgrass
crown daisy
crown vetch
Crypsis aculeata
Crypsis niliaca
crystalline iceplant
curlycup gumweed
curly dock
curlyleaf pondweed
Cuscuta campestris
cutleaf blackberry
cutleaf burnweed
cutleaf evening-primrose
cutleaf geranium
cutleaf goosefoot
cutleaf nightshade
cutleaf plantain
cutleaf teasel
Cyperus albomarginatus
Cyperus brevifolius
Cyperus halei
cypress spurge
dallisgrass
dalmatian toadflax
Dalmatian toadflax
damesrocket
dandelion
Datura quercifolia
Daubentonia punicea
deergrass
deervetch
dense-flowered cordgrass
dense mistletoe
Deptford pink
desert crested wheatgrass
devils-claw
devils beggarticks
dichondra
diffuse knapweed
disc mayweed
disc waterhyssop
Distichlis stricta
ditch polypogon
ditch stonecrop
dodder
dog-strangling vine
dog rose
Door-yard violet
dotted smartweed
Douglas iris
dovefoot geranium
dove weed
downy brome
downy thornapple
Drummond`s gaura
ducksalad
duckweed
dwarf alyssum
dwarf fleabane
dwarf horseweed
dwarf pearlwort
dwarf spikerush
Dyer's woad
dyers mignonette
dyers woad
early watergrass
early wintercress
earth loosestrife
eastern black nightshade
eastern cottonwood
eastern poison ivy
eastern purple coneflower
eastern redcedar
eastern whorled milkweed
eastern woodland sedge
Eastwood`s fiddleneck
Echinochloa phyllopogon
Echinochloa pungens
eclipta
Eisen waterhyssop
Eleocharis coloradoensis
Eleocharis palustris
Eleocharis parvula var. coloradoensis
Elymus caput-medusae
Elymus cinereus
Elymus triticoides
Elytrigia pontica ssp. pontica
Elytrigia repens
English catchfly
English daisy
English hawthorn
English holly
English ivy
English plantain
English violet
Eragrostis diffusa
Eragrostis eragrostis
Eragrostis megastachya
Eragrostis neomexicana
Eragrostis orcuttiana
Eragrostis poaeoides
erect hedgeparsley
erect veldtgrass
Eremocarpus setigerus
Erianthus ravennae
Eriochloa gracilis
eulaliagrass
Eupatorium rugosum
Euphorbia preslii
Eurasian mountain-ash
Eurasian watermilfoil
European alder
European alkaligrass
European barberry
European beachgrass
European bellflower
European cranberry-bush
European fireweed
European hawksbeard
European heliotrope
European lily-of-the-valley
European Marsh Thistle
European mistletoe
European mountain-ash
European privet
European sea-rocket
European waterstarwort
everblooming acacia
everlasting cudweed
everlasting peavine
faba bean
fall panicum
false garlic
false nutsedge
fanwort
feather fingergrass
featherleaf pepperweed
feathertop
female fluvellin
Fendlers threeawn
fennel
Festuca bromoides
Festuca dertonensis
Festuca elatior
Festuca megalura
Festuca myuros
Festuca octoflora
feverfew
fiddleleaf dock
field alyssum
field bindweed
field chickweed
field forget-me-not
field horsetail
field marigold
field mint
field pennycress
field pepperweed
field sandbur
field sowthistle
field thistle
field violet
fig
fig buttercup
fineleaf fumitory
firethorn
fireweed
Fitchs tarweed
fiveangled dodder
fivehook bassia
fiveleaf akebia
flat-top goldentop
flatsedge
flixweed
floatingleaf pondweed
floating pennywort
floating waterprimrose
flowering rush
flowering spurge
foothill deathcamas
foothill needlegrass
forked chickweed
forked nightshade
four-leaved polycarp
fowl bluegrass
foxglove
fox grape
foxtail barley
foxtail bristlegrass
foxtail brome
foxtail millet
foxtail pricklegrass
foxtail restharrow
fragrant cudweed
fragrant waterlily
Frasers marsh St. Johnswort
Fremonts deathcamas
French broom
fringed or American willowherb
fringed sagebrush
fringed twinevine
frost grape
Fuller`s teasel
fumitory
Galinsoga caracasana
Galinsoga ciliata
Gamochaeta purpureum
Garden-heliotrope
garden forget-me-not
garden loosestrife
garden nasturtium
garden orach
garden rocket
garden valerian
garlic mustard
Gastridium ventricosum
Geraldton carnationweed
germander speedwell
German velvetgrass
giant chickweed
giant duckweed
giant foxtail
giant hogweed
giant horsetail
giant knotweed
giant ragweed
giant reed
giant salvinia
giant sumpweed
glandular cape marigold
Glandularia pulchella
glasswort
glossy buckthorn
glossy privet
goatsrue
gold-of-pleasure
golden-buttons
golden crownbeard
golden tickseed
goldentop
Gooddings black willow
gooseberry geranium
goosegrass
gorse
gout-weed
grass leaved goldenrod
grassy naiad
gray dogwood
gray goldenrod
gray herniaria
gray osier dogwood
Great Basin brome
great burdock
greater ammi
greater celandine
greater creeping spearwort
greater swinecress
great plantain
great ragweed
Grecian foxglove
green bristlegrass
green false-hellebore
green foxtail
green kyllinga
green wattle
Gregg arrowhead
ground ivy
groundnut
ground spurge
gulf cockspur
gum rockrose
hairy beggarticks
hairy bittercress
hairy buttercup
hairy catchfly
hairy crabgrass
hairy fleabane
hairy galinsoga
hairy nightshade
hairy pepperwort
hairy pink
hairy purslane speedwell
hairy vetch
hairy whitetop
hairy willow-herb
hairy wood violet
halogeton
hard bluegrass
hardgrass
hardinggrass
hardstem bulrush
hare barley
hares tailgrass
healall
heath aster
hedge bindweed
hedgehog dogtailgrass
hedgemustard
hedgeparsley
Helenium tenuifolium
Heleochloa alopecuroides
Helianthus lenticularis
hemp-nettle
hemp broomrape
hemp dogbane
hemp sesbania
henbit
herb-robert
Herniaria cinerea
high-bush cranberry
high mallow
hill mustard
Himalaya blackberry
Himalayan knotweed
hoary alyssum
hoary cress
hoary vervain
hoe nightshade
hog potato
hogwort
hollyhock
hollyhock bindweed
hollyleaf naiad
honey locust
honey mesquite
honeysuckle
hood canarygrass
Hookers evening-primrose
hop sedge
Hordeum californicum
Hordeum glaucum
Hordeum leporinum
Hordeum stebbinsii
horned pondweed
horse-cane
horse bean
horsenettle
horse purslane
horsetail
horseweed
Hottentot fig
houndstongue
huisache
Hungarian brome
hybrid cattail
hydrilla
hyssop loosestrife
Iberian starthistle
Ibicella lutea
Idaho fescue
Illinois pondweed
Illyrian thistle
indian-potato
Indian mock-strawberry
Indian mustard
Indian rushpea
Indian sweetclover
Indian tobacco
Indian toothcup
indigobush
intermediate wheatgrass
Italian hawksbeard
Italian lords and ladies
Italian ryegrass
Italian thistle
Iva xanthifolia
ivyleaf morningglory
ivyleaf speedwell
Japanese barberry
Japanese brome
Japanese dodder
Japanese hedge parsley
Japanese honeysuckle
Japanese hops
Japanese knotweed
Japanese meadowsweet
Japanese morningglory
Japanese spirea
Japanese stilt grass
Jerusalem-oak goosefoot
Jerusalem artichoke
jetbead
jewelweed
Jim Hill mustard
jimsonweed
Joe-Pye weed
johnsongrass
jointed goatgrass
jointgrass
jubatagrass
junegrass
junglerice
juniper mistletoe
Jussiaea repens var. peploides
kangaroothorn
Kelloggs tarweed
Kentucky bluegrass
Kerners dock
kikuyugrass
Klamathweed
knawel
knotgrass
knotroot foxtail
knotted hedgeparsley
kochia
Kochia scoparia
Koeleria cristata
Koeleria pyramidata
ladysthumb
ladysthumb smartweed
Lamarck`s bedstraw
lance-leaved loosestrife
lance-leaved violet
lanceleaf loosestrife
lanceleaf nightshade
lanceleaf sage
lanceleaved or cutleaf groundcherry
lanceleaved waterplantain
large crabgrass
large hop clover
larkspur
late boneset
lateflowering thoroughwort
late goldenrod
late watergrass
Latin American fleabane
lawn burweed
lawn pennywort
leafy pondweed
leafy spurge
leatherleaf
Lehmann lovegrass
lens-podded whitetop; Lepidium chalepense
Leontodon leysseri
Leontodon nudicaulis
Lepidium draba
Leptochloa fusca ssp. fascicularis
Leptochloa fusca ssp. uninervia
Leptochloa panicea
lespedeza dodder
lesser burdock
lesser celandine
lesser hawkbit
lesser herb robert
lesser swinecress
licoriceplant
lily-of-the-valley
lily-of-the-valley vine
Linaria canadensis
Linaria genistifolia ssp. dalmatica
Linaria macedonica
linearleaf snapdragon
Lippia nodiflora
little barley
little bittercress
little hogweed
littleleaf buttercup
little lovegrass
little mallow
little quackinggrass
little robin
littleseed canarygrass
littleseed muhly
little starwort
locoweed
Logfia gallica
Lolium arundinaceum
Lolium perenne ssp. multiflorum
Lolium perenne var. multiflorum
Lolium pratense
London rocket
long-flowered veldtgrass
longleaf groundcherry
Lotus unifoliolatus
Louises swallow-wort
lovegrass sedge
low amaranth
low falsepimpernel
lowland cudweed
Ludwigia grandiflora ssp. hexapetala
Ludwigia uruguayensis
lyme grass
Malta or Napa starthistle
Malta starthistle
manitoba maple
manroot
manyflower tobacco
mapleleaf goosefoot
marestail
marijuana
marshelder
marshpepper smartweed
marsh St. Johnswort
marshweed
marsh yellowcress
Martynia louisianica
mat chaff-flower
mat lippia
Maximilian sunflower
mayweed
meadow barley
meadow deathcamas
meadow fescue
meadow foxtail
meadow or yellow hawkweed
meadow salsify
Medicago falcata
Medicago hispida
Medicago sativa var. falcata
Mediterranean barley
Mediterranean broom
Mediterranean lovegrass
Mediterranean polypogon
Mediterranean rocket
Mediterranean sage
Mediterranean steppegrass
medusahead
Megastachya uninervia
Melilotus alba
Melinis repens
Menzies fiddleneck
Mexican brassbuttons
Mexican fan palm
Mexican lovegrass
Mexican palo-verde
Mexican sprangletop
mexicantea
Mexican waterlily
Mexican whorled milkweed
mild smartweed
miner`s lettuce
Missouri goosefoot
Monerma cylindrica
moneywort
Monnier waterhyssop
monochoria
Morocco toadflax
mosquitofern
moss or Mediterranean pygmyweed
moss vervain
moth mullein
mouse-ear chickweed
mouse-ear cress
mugwort
multiflora rose
musk mallow
musk thistle
musky pennywort
myoporum
Myriophyllum brasilense
myrtle spurge
nap-at-noon
narrowleaf cattail
narrowleaf cottonrose
narrowleaf goldenrod
narrowleaf hawksbeard
narrowleaf plantain
narrowleaf pyracantha
narrowleaved clover
Nassella brachychaeta
natalgrass
needle grama
needle spikerush
Nepalese browntop
netseed lambsquarters
nettleleaf goosefoot
New Zealand geranium
New Zealand spinach
Nicotiana bigelovii
nightflowering catchfly
nimblewill
nipplewort
nitgrass
nodding beggartick
nodding needlegrass
nodding spurge
nodding thistle
nodding tussockgrass
northern pricklyash
northern St. Johnswort
northern watermilfoil
Norway maple
Nothoscordum borbonicum
Nothoscordum inordorum
Nuphar lutea var. polysepala
Nuphar polysepalum
Nuttall povertyweed
oat
oat or hairy mistletoe
oblong spurge
Oenothera elata ssp. hirsutissima
Oenothera hookeri
oldfield toadflax
one-seed juniper
oneseed burr cucumber
onionweed
orange cotoneaster
orange daylily
orange hawkweed
orange jewelweed
orchardgrass
Oriental bittersweet
Oriental mustard
Oryzopsis mileacea
Osage-orange
ovate goatgrass
oxeye
oxeye daisy
Pacific bentgrass
Pacific blackberry
Pacific poison-oak
paddymelon
pale desert-thron
pale dock
paleseed plantain
pale smartweed
pale wolfberry
Palmer amaranth
pampasgrass
panicled onion
panicle or tall annual willowherb; Epilobium paniculatum
pansy
paradise poinciana
Parney`s cotoneaster
parrotfeather
Parrys tarweed
Paspalum fissifolium
Paspalum paspaloides
pea-tree
Pennsylvania blackberry
Pennsylvania smartweed
pennyroyal
perennial pea
perennial pepperweed
perennial ryegrass
perennial sowthistle
Persian speedwell
Peruvian peppertree
petty spurge
Phalaris arundinacea var. picta
Phalaris tuberosa
Phalaris tuberosa var. stenoptera
Philadelphia fleabane
Physalis lanceifolia
Physalis lancifolia
Physalis wrightii
pickerelweed
pineapple-weed
pine echium
pink rockrose
pinnate false-brome
pinnate tansymustard
plains coreopsis
plains larkspur
plains pricklypear
Plantago purshii
plantainleaf pussytoes
plumeless thistle
poison hemlock
poison Ivy
poison ryegrass
Polansia graveolens
Polygonum coccineum
Polygonum muhlenbergia
Polygonum scabrum
Polypogon elongatus
Polypogon semiverticillatus
poorjoe
porcelain-berry
porcelain ivy
Portuguese broom
Potamogeton pectinatus
potato-bean
poverty brome
poverty dropseed
poverty rush
poverty sumpweed
Powell amaranth
prairie cupgrass
prairie sagewort
prairie threeawn
prickly comfrey
prickly lettuce
prickly Russian thistle
prickly sowthistle
pride of Madeira
Prosopis juliflora var. glandulosa
prostrate knotweed
prostrate pigweed
prostrate vervain
Pseudognaphalium luteo-album
psyllium
punagrass
puncturevine
purple ammannia
purple cudweed
purple deadnettle
purple loosestrife
purple lovegrass
purple needlegrass
purple nutsedge
purple ragwort
purplestamen mullein
purple starthistle
purple threeawn
purple toadflax
purple tussockgrass
purple veldtgrass
purple vetch
purslane
quackgrass
quaking aspen
Queen-of-the-meadow
rabbitfoot clover
rabbitfoot polypogon
radish
rampoin bellflower
Ranunculus aquatilis var. capillaceus
rapeseed mustard
rattail fescue
rattlebush
rattlesnake brome
ravennagrass
red brome
red clover
red fescue
redmaids
red maple
red orach
red osier dogwood
red oxalis
redroot flatsedge
redroot pigweed
red sandspurry
redsepal evening-primrose
red sorrel
redstem
redstem filaree
redtop
red valerian
red willow
reed canarygrass
rescuegrass
Rhamnus cathartica
rhodesgrass
Rhus diversiloba
Rhus radicans
rice cutgrass
ricefield bulrush
rigid goldenrod
rigid ryegrass
ripgut brome
riverbank grape
river bulrush
robust horsenettle
Rocky Mountain beeplant
Rorippa islandica
Rosa rubiginosa
rose campion
rose clover
rosering gaillardia
Rostraria cristata
rough barnyardgrass
rough cinquefoil
rough cocklebur
rough fleabane
rough jointvetch
rough prickly-poppy
roughseed buttercup
roughstalk bluegrass
roundleaf geranium
roundleaf iceplant
rover bellflower
rowan
Rubus discolor
Rubus procerus
rush skeletonweed
Russian knapweed
Russian olive
Russian thistle
Russian wheatgrass
S. lepida var. andersonii
sacred datura
sacred thornapple
safflower
sago pondweed
Sahara mustard
Saharan or African mustard
Sakhalin knotweed
salad burnet
Salpichroa rhomboidea
saltcedar
saltcedar; Tamarix chinensis hybrizes and is very similar in appearance
saltgrass
saltmeadow cordgrass
Salvia x superba
Sandberg bluegrass
sand bittercress
sandbur
San Diego bentgrass
sand ryegrass
sandwort drymary
sandyseed clammyweed
San Franciscan nailwort
Saponaria vaccaria
Sarcostemma cynanchoides
satintail
sawtooth sunflower
scarlet gaura
scarlet pimpernel
scarlet wisteria
scentless chamomile
Schedonorus phoenix
Schedonorus pratensis
Schoenoplectus acutus
Schoenoplectus californicus
Schoenoplectus fluviatilis
Schoenoplectus mucronatus
Scirpus tuberosus
Scleropoa rigida
scorpionweed
Scotch broom
Scotch pine
Scotch thistle
Scots pine
scouringrush
sea-fig
seashore bentgrass
seashore vervain
seaside arrowgrass
seaside or alkali heliotrope
seepwillow
sensitive fern
sericea lespedeza
serrate spurge
Sesbania herbacea
Sesbania tripetii
Setaria geniculata
Setaria glauca
Setaria lutescens
Setaria parviflora
sharppoint fluvellin
shattercane
shepherdspurse
shining cranesbill
short-fruited filaree
short-spike canarygrass
shortpod mustard
showy eveningprimrose
showy milkweed
shrub bush clover
shrub lespedeza
sibara
Siberian elm
Siberian pea-shrub
Siberian wheatgrass
Sicilian starthistle
sicklegrass
Sida hederacea
silver cinquefoil
silver hairgrass
silverleaf cotoneaster
silverleaf maple
silverleaf nightshade
silver maple
silversheath knotweed
silver wattle
Sitanion hystrix
Sitanion jubatum
sixweeks fescue
sixweeks threeawn
skunkbrush
slender-leaved iceplant
slender aster
slender cudweed
slenderflower thistle
slender foxtail
slender nettle
slender oat
slender or perennial false-brome
slender rush
slender speedwell
slender wheatgrass
small-flowered gaura
small-flowered St. Johnswort
small fescue
smallflower buttercup
smallflowered bittercress
smallflowered geranium
smallflowered miner`s lettuce
smallflower galinsoga
smallflower tamarisk
smallflower tussockgrass
smallflower umbrella sedge
small hop clover
smallseed falseflax
small wirelettuce
smellmelon; dudaim melon
smilograss
smooth barley
smooth bedstraw
smooth brome
smooth bromegrass
smooth catsear
smooth cordgrass
smooth crabgrass
smooth distaff thistle
smooth frogbit
smooth hawksbeard
smooth pigweed
smooth scouringrush
smooth sumac
smutgrass
snow-on-the-mountain
soapwort
soft brome
soft rush
Solanum sarrachoides
Solanum torreyi
Solidago canadensis L. var scabra
Solidago graminifolia
Solidago rigida
Soliva pterosperma
sorghum
Sorghum sudanense
Sorghum vulgare
southern brassbuttons
southern bulrush
southern catalpa
southern cattail
southern naiad
southern sandbur
southwestern carrot
southwestern cupgrass
Spanish broom
Spanish clover
sparrow vetch
spatulaleaf loosestrife
spear-scale
spearmint
spear orach
spear saltbush
spike bentgrass
spikeweed
spiny amaranth
spiny cocklebur
spiny emex
spiny sowthistle
spiny thistle
spiral ditchgrass
sponge plant
Sporobolus poiretii
spotted burclover
spotted knapweed
spotted ladysthumb
spotted sandmat
spotted spurge
spotted waterhemlock
spreading dogbane
spreading orache
spreading pellitory
spreading rush
spreading yellowcress
spurred anoda
squarrose knapweed
squirreltail
squirreltail fescue
St. Augustinegrass
staghorn sumac
star-of-Bethlehem
stargrass
stephanomeria
sterile oat
sticktight
sticky chickweed
stiff goldenrod
stinkgrass
stinkwort
Stipa brachychaetum
Stipa cernua
Stipa lepida
Stipa pulchra
strawberry clover
streambank polypogon
sturdy bulrush
subterranean clover
sulfur cinquefoil
sun spurge
Swainsona salsula
swainsonpea
swamp milkweed
swamp pricklegrass
swamp smartweed
swamp verbena
sweet acacia
sweet alyssum
sweetbriar rose
sweet joepyeweed
sweet vernalgrass
Syndey golden wattle
Syrian beancaper
Taeniatherum asperum
tall beggarticks
tall buttercup
tall cottongrass
tall fescue
tall flatsedge
tall fleabane
tall hedge mustard
tall joepyeweed
tall lettuce
tall mana grass
tall morningglory
tall oatgrass
tall thistle
tall vervain
tall waterhemp
tall wheatgrass
Tamarix tetandra
Tangier pea
tanglehead
tansy ragwort
Tasmanian blue gum
Tatarian honeysuckle
Taurian thistle
teasel
telegraphplant
testing
Testing Common Name
Texas filaree
Thinopyrum intermedium
Thinopyrum junceum
Thinopyrum ponticum
three-corned leek
threebract loosestrife
threelobe morningglory
threeray tarweed
threespike goosegrass
thyme-leaf spurge
thyme-leaved speedwell
thymeleaf sandwort
thymeleaf speedwell
ticklegrass
timothy
tiny bedstraw
tiny vetch
toad rush
tocalote
tomatillo groundcherry
tongue pepperweed
toothcup
toothed dock
toothed spurge
toothpick ammi
touch-me-not
Toxicoscordion gramineum
Tragopogon major
trans-Pecos morningglory
tree-of-heaven
tree mallow
tree tobacco
Triadenum virginicum
Triadica sebifera
triangle orach
Trifolium procumbens
Triticum cereale
Triticum cylindricum
tropic croton
true forget-me-not
trumpetcreeper
tuberous bulrush
tufted hairgrass
tufted lovegrass
tulip pricklypear
tumble mustard
tumble pigweed
tumbleweed
tumble windmillgrass
turkey mullein
Turkish wartycabbage
turquoise-berry
tussock cottongrass
umbrella spurry
upright burhead
Uruguay waterprimrose
Vaccaria pyramidata
Vaccaria segetalis
Vaccaria vulgaris
vaseygrass
veiny pepperweed
velvetleaf
velvet mesquite
Venice mallow
ventenata
Venus-comb
Veronica hederaefolia
victorian box
Vincetoxicum nigrum
vinegarweed
vipers bugloss; Pattersons-curse
virgate mullein
virgate tarweed
Virginia-creeper
Virginia copperleaf
Virginia pepperweed
Virginia threeseed mercury
Vulpia megalura
wall bedstraw
wallflower mustard
wall rocket
wand sage
water-bent
water-chestnut
watercress
watergrass
waterhemp
waterhyacinth
waterlettuce
watermeal
waterpod
waterpurslane
watershield
water smartweed
water speedwell
waterstargrass
wavyleaf
wavyleaf gaura
waxy mannagrass
wayfaringtree
weedy brome
weeping lovegrass
weeping willow
western blueflag iris
western bracken fern
western clammyweed
western fescue
western field buttercup
western juniper
western morningglory
western poison-ivy
western purslane
western ragweed
western raspberry
western salsify
western thimbleberry
western waterhemlock
western wheatgrass
western whorled milkweed
West Indian nightshade
wheat
white
white-margined nightshade
white campion
white clover
white cockle
white horehound
white horsenettle
whitemargined flatsedge
whitemargin spurge; Chamaesyce albomarginata
white mulberry
white mustard
white onion
white poplar
white prairie aster
white ramping fumitory
white snakeroot
whitestem filaree
white sweetclover
whitetop
white waterbuttercup
white willow
whitlowwort
whorled loosestrife
whorled yellow loosestrife
widgeongrass
wild-proso millet
wild beet
wild buckwheat
wild caraway
wild carrot
wild celery
wild chervil
wild cucumber
wild four o'clock
wild garlic
wild licorice
wild mint
wild mustard
wild oat
wild onion
wild parsnip
wild radish
willow
willowleaf lettuce
windmillgrass
wineberry
wine raspberry
winged burning-bush
winged euonymus
winged spindle-tree
winter bentgrass
winter creeper
wirestem muhly
witchgrass
wolfs milk
womans tobacco
wood bluegrass
woodland forget-me-not
woodland groundsel
woolly cupgrass
woolly distaff thistle
woolly nightshade
wooly croton
wooly plantain
wormseed wallflower
Wright groundcherry
yellow alyssum
yellow bedstraw
yellow bristlegrass
yellow bush lupine
yellow chamomile
yellow devils-claw
yellow fieldcress
yellowflag iris
yellow floatingheart
yellow foxtail
yellow glandweed
yellow hairgrass
yellow loosestrife
yellow nutsedge
yellow rocket
yellowspine thistle
yellow starthistle
yellow sweetclover
yellow toadflax
yellow waterlily
yellow woodsorrel
yerba mansa
Zosterella dubia
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