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common sow-thistle
70%
Sonchus oleraceus
Cyrtocymura scorpioides
67%
Cyrtocymura scorpioides
Brazilian bachelor's button
67%
Centratherum punctatum
aliso de río
60%
Tessaria integrifolia
common dandelion
59%
Taraxacum officinale
Mexican sunflower
58%
Tithonia diversifolia
billygoat-weed
58%
Ageratum conyzoides
red tasselflower
56%
Emilia fosbergii
Bay Biscayne creeping-oxeye
56%
Sphagneticola trilobata
fumo-bravo
55%
Trixis praestans
Madagascar ragwort
55%
Senecio madagascariensis
mutisia
54%
Mutisia coccinea
bull thistle
54%
Cirsium vulgare
Chilca blanca
51%
Baccharis trinervis
carqueja
51%
Baccharis trimera
Azafrán
50%
Cnicothamnus lorentzii
silver puff
50%
Chaptalia nutans
marcela
50%
Achyrocline saturejoides
sulphur cosmos
50%
Cosmos sulphureus
false daisy
50%
Eclipta prostrata
carqueja
47%
Baccharis crispa
gumweed
47%
Grindelia hirsutula
Zarzaparrilla
47%
Jungia polita
daisy of dunes
47%
Senecio crassiflorus
Aspilia silphioides
46%
Aspilia silphioides
oriental false hawksbeard
46%
Youngia japonica
primavera
46%
Senecio grisebachii
Barnadesia odorata
45%
Barnadesia odorata
tridax daisy
45%
Tridax procumbens
pot marigold
45%
Calendula officinalis
mata negra
44%
Brachyclados lycioides
garden lettuce
44%
Lactuca sativa
olivillo
44%
Hyalis argentea
cobbler's pegs
44%
Bidens pilosa
Baccharis linearifolia
44%
Baccharis linearifolia
Vernonia del humedal
43%
Lessingianthus rubricaulis
Florida Keys hempvine
43%
Mikania cordifolia
mule fat
43%
Baccharis salicifolia
gallant soldier
43%
Galinsoga parviflora
garden cosmos
43%
Cosmos bipinnatus
Santa Maria feverfew
43%
Parthenium hysterophorus
Chilca dulce
43%
Tessaria dodonaeifolia
Senegal tea
42%
Gymnocoronis spilanthoides
yarrow
42%
Achillea millefolium
margarita dorada
42%
Aspilia montevidensis
cotton thistle
42%
Onopordum acanthium
blessed milkthistle
42%
Silybum marianum
huañil blanco
42%
Proustia cuneifolia
cachicabra
42%
Haplopappus foliosus
Bolivian coriander
42%
Porophyllum ruderale
uña de gato
41%
Chuquiraga erinacea
American burnweed
40%
Erechtites hieraciifolius
broad-winged thistle
40%
Carduus acanthoides
monte azul
40%
Cyclolepis genistoides
soft elephantsfoot
39%
Elephantopus mollis
common cotula
39%
Cotula australis
hairy cat's-ear
39%
Hypochaeris radicata
flower-of-souls
38%
Senecio brasiliensis
pussyfoot
38%
Praxelis clematidea
Chilean little rosemary
38%
Baccharis linearis
sunflower
38%
Helianthus annuus
Trixis divaricata
38%
Trixis divaricata
musk thistle
38%
Carduus nutans
mitique
38%
Podanthus mitiqui
coronilla del fraile
38%
Encelia canescens
red sunflower
38%
Tithonia rotundifolia
romerillo
37%
Senecio subulatus
spiny sow-thistle
37%
Sonchus asper
Chirca de bañado
37%
Chromolaena laevigata
chilca
37%
Baccharis dracunculifolia
pompom weed
37%
Campuloclinium macrocephalum
cardoon
37%
Cynara cardunculus
vautro
37%
Baccharis concava
guaco-do-quintal
37%
Mikania periplocifolia
feverfew
37%
Tanacetum parthenium
Trixis cacalioides
36%
Trixis cacalioides
mariamol
36%
Senecio selloi
English daisy
36%
Bellis perennis
chilca
36%
Baccharis punctulata
fachine
36%
Chiliotrichum diffusum
carqueja
35%
Baccharis articulata
romerillo
35%
Baccharis aliena
chilca negra
35%
Acanthostyles buniifolius
American everlasting
35%
Gamochaeta americana
siempre viva
35%
Lucilia acutifolia
bristly oxtongue
34%
Helminthotheca echioides
Senecio adenotrichius
34%
Senecio adenotrichius
chinchircoma
33%
Mutisia acuminata
little ironweed
33%
Cyanthillium cinereum
shoddy ragwort
33%
Senecio pterophorus
bristly starbur
33%
Acanthospermum hispidum
clavel del campo
33%
Mutisia retrorsa
suncho
33%
Baccharis juncea
lilac tasselflower
33%
Emilia sonchifolia
senecio rastrero
33%
Senecio ceratophylloides
pachana
33%
Baccharis spartioides
flax-leaf fleabane
33%
Erigeron bonariensis
almizcle
33%
Moscharia pinnatifida
common groundsel
32%
Senecio vulgaris
t'ola
32%
Parastrephia quadrangularis
Chaptalia integerrima
32%
Chaptalia integerrima
elegant zinnia
32%
Zinnia elegans
margarita amarilla
32%
Grindelia pulchella
absinth wormwood
32%
Artemisia absinthium
pájaro bobo
32%
Tessaria absinthioides
trevo
32%
Archidasyphyllum diacanthoides
whiteweed
32%
Austroeupatorium inulifolium
wild chamomile
32%
Matricaria chamomilla
golden tickseed
32%
Coreopsis tinctoria
chilca blanca
31%
Baccharis spicata
sombra de liebre
31%
Senecio pampeanus
flor de espejo
31%
Gypothamnium pinifolium
Baccharis ulicina
31%
Baccharis ulicina
white flatweed
31%
Hypochaeris albiflora
Peruvian zinnia
31%
Zinnia peruviana
marsh daisy
31%
Senecio bonariensis
chamicilla
31%
Bahia ambrosioides
carquejilla
31%
Baccharis notosergila
ivyleaf thoroughwort
30%
Chromolaena ivifolia
monte amarillo
30%
Gutierrezia gayana
muster John Henry
30%
Tagetes minuta
creeping spotflower
30%
Acmella decumbens
tayú del norte
30%
Archidasyphyllum excelsum
mata barrosa
30%
Nardophyllum bryoides
shrubby gumweed
30%
Grindelia chiloensis
wingstem camphorweed
30%
Pluchea sagittalis
rough cockleburr
29%
Xanthium strumarium
romerillo blanco
29%
Baccharis artemisioides
Siam weed
29%
Chromolaena odorata
palo de yegua
29%
Acrisione denticulata
fulel
29%
Solidago chilensis
mile-a-minute
29%
Mikania micrantha
parrilla blanca
28%
Proustia pyrifolia
Parastrephia lucida
28%
Parastrephia lucida
pega pega
28%
Aristeguietia salvia
annual trampweed
28%
Facelis retusa
lesser burrdock
28%
Arctium minus
arnica
28%
Trichocline reptans
Chilean knapweed
28%
Plectocephalus chilensis
Paraguayan starbur
28%
Acanthospermum australe
san pedrillo
28%
Mutisia hamata
Brazilian cat's ear
28%
Hypochaeris chillensis
huañil
28%
Spinoliva ilicifolia
fiveneedle pricklyleaf
28%
Thymophylla pentachaeta
lance-leaved coreopsis
28%
Coreopsis lanceolata
falsa chilca
28%
Urolepis hecatantha
Haplopappus integerrimus
28%
Haplopappus integerrimus
Ophryosporus paradoxus
28%
Ophryosporus paradoxus
poposa
28%
Rockhausenia pygmaea
charcao
28%
Senecio filaginoides
araña de la ballena
27%
Chuquiraga ulicina
chicory
27%
Cichorium intybus
mío-mío
27%
Baccharis coridifolia
jarililla
27%
Gochnatia glutinosa
Pennsylvania everlasting
27%
Gamochaeta pensylvanica
escorzonera
27%
Perezia multiflora
pichanilla
27%
Gutierrezia resinosa
mira-mira
27%
Gochnatia foliolosa
chilca
27%
Baccharis racemosa
barba vieja
26%
Ageratina glechonophylla
cabezon
26%
Haplopappus macrocephalus
saltmarsh aster
26%
Symphyotrichum squamatum
kilafodu
26%
Baccharis sagittalis
Pleocarphus revolutus
25%
Pleocarphus revolutus
vira-vira
25%
Senecio vira-vira
Mariposera morada
25%
Chromolaena hookeriana
oreja de chancho
25%
Pachylaena atriplicifolia
Porophyllum obscurum
25%
Porophyllum obscurum
boton de oro
25%
Gaillardia megapotamica
annual wormwood
25%
Artemisia annua
saltmarsh baccharis
25%
Baccharis glutinosa
mitiqui
25%
Podanthus ovatifolius
quinchamal
25%
Baccharis grisebachii
Girasolillo
25%
Verbesina subcordata
brass buttons
25%
Cotula coronopifolia
tropical horseweed
25%
Erigeron sumatrensis
spoon-leaf purple everlasting
25%
Gamochaeta purpurea
maravilla del campo
25%
Austroflourensia thurifera
bur-marigold
25%
Bidens laevis
Picrosia longifolia
24%
Picrosia longifolia
vassoura
24%
Vernonanthura montevidensis
sunchillo
24%
Pascalia glauca
shaggy soldier
24%
Galinsoga quadriradiata
silver bur ragweed
24%
Ambrosia chamissonis
prairie sunflower
24%
Helianthus petiolaris
amor seco
24%
Bidens subalternans
gold medallion
24%
Melampodium divaricatum
nabo ykiko
24%
Bidens triplinervia
camphorweed
24%
Heterotheca subaxillaris
Baccharis stenophylla
24%
Baccharis stenophylla
woolly distaff thistle
24%
Carthamus lanatus
cowpen daisy
23%
Verbesina encelioides
Senecio pinnatus
23%
Senecio pinnatus
Arizona beggarticks
23%
Bidens aurea
Maltese star-thistle
23%
Centaurea melitensis
pichi de la sierra
23%
Baccharis neaei
Gamochaeta stachidifolia
23%
Gamochaeta stachidifolia
chilca
23%
Baccharis paniculata
Baccharis scandens
23%
Baccharis scandens
fox tail
23%
Ophryosporus triangularis
yellow button
23%
Jaegeria hirta
hualtata
23%
Senecio fistulosus
crowndaisy
22%
Glebionis coronaria
mutisia naranja
22%
Mutisia decurrens
black queen
22%
Mutisia spinosa
common ragweed
22%
Ambrosia artemisiifolia
Sommerfeltia spinulosa
22%
Sommerfeltia spinulosa
Crepis capillaris
22%
Crepis capillaris
Baccharis flabellata
22%
Baccharis flabellata
Baccharis tenella
22%
Baccharis tenella
Baccharis gilliesii
22%
Baccharis gilliesii
borlón de alforja
22%
Polyachyrus fuscus
spiny cocklebur
22%
Xanthium spinosum
chilco
21%
Baccharis rhomboidalis
coastal plain yellowtops
21%
Flaveria bidentis
guaco
21%
Mikania urticifolia
live-forever
21%
Triptilion spinosum
flor de granada
21%
Mutisia ilicifolia
Te de burro
21%
Tagetes multiflora
yellow salsify
21%
Tragopogon dubius
Holocheilus hieracioides
21%
Holocheilus hieracioides
manca perro
21%
Nassauvia axillaris
vira-vira
21%
Pseudognaphalium viravira
Senecio planiflorus
21%
Senecio planiflorus
purple starthistle
20%
Centaurea calcitrapa
perezia
20%
Perezia magellanica
Christmas bush
20%
Baccharis magellanica
trompetilla
20%
Senecio otites
borlón de alforja
20%
Polyachyrus poeppigii
Hyaloseris cinerea
20%
Hyaloseris cinerea
chinita
20%
Chaetanthera glabrata
Emory's rockdaisy
20%
Perityle emoryi
wand blackroot
20%
Pterocaulon virgatum
Senecio glabratus
19%
Senecio glabratus
sea cabbage
19%
Senecio candidans
Campovassouria cruciata
19%
Campovassouria cruciata
nipplewort
19%
Lapsana communis
Vernonanthura nudiflora
19%
Vernonanthura nudiflora
tansy
19%
Tanacetum vulgare
Chrysolaena flexuosa
19%
Chrysolaena flexuosa
copa-copa
19%
Pseudognaphalium cheiranthifolium
ajenjo
19%
Artemisia mendozana
common soliva
19%
Soliva sessilis
Baccharis darwinii
18%
Baccharis darwinii
piyaya
18%
Aphyllocladus denticulatus
melosilla
18%
Grindelia brachystephana
chirriador
18%
Chuquiraga oppositifolia
Falkland lavender
18%
Perezia recurvata
Chromolaena hirsuta
18%
Chromolaena hirsuta
Gutierrezia solbrigii
18%
Gutierrezia solbrigii
cola pichi
17%
Nassauvia glomerulosa
Lorentzianthus viscidus
17%
Lorentzianthus viscidus
Baccharis tucumanensis
17%
Baccharis tucumanensis
vira vira
17%
Pseudognaphalium gaudichaudianum
dwarf coastweed
17%
Amblyopappus pusillus
narrowleaf everlasting
17%
Gamochaeta falcata
Chilean fleabane
16%
Erigeron primulifolius
Adenocaulon chilense
16%
Adenocaulon chilense
Italian thistle
16%
Carduus pycnocephalus
stinking chamomile
16%
Anthemis cotula
Heterosperma ovatifolium
16%
Heterosperma ovatifolium
Baccharis patagonica
16%
Baccharis patagonica
South American rubberweed
16%
Hymenoxys anthemoides
pinnate false threadleaf
16%
Schkuhria pinnata
pegajosa
15%
Gutierrezia gilliesii
Grindelia cabrerae
15%
Grindelia cabrerae
Grindelia anethifolia
15%
Grindelia anethifolia
Canada wild lettuce
15%
Lactuca canadensis
yellow star-thistle
15%
Centaurea solstitialis
chinita
15%
Chaetanthera ciliata
melosa
15%
Madia chilensis
cola de quirquincho
15%
Nassauvia lagascae
slimleaf bur ragweed
14%
Ambrosia tenuifolia
blanquillo
14%
Leucheria tomentosa
manzanilla del campo
14%
Helenium aromaticum
Stevia satureiifolia
14%
Stevia satureiifolia
coast tarweed
14%
Madia sativa
Polyachyrus carduoides
14%
Polyachyrus carduoides
prickly lettuce
13%
Lactuca serriola
wild lettuce
13%
Lactuca virosa
buttonweed
13%
Leptinella scariosa
narrowleaf purple everlasting
10%
Gamochaeta calviceps
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