Weed Name
Bayer Code

Family

Genus

Species
tallowtree, Chinese
SAQSE
Euphorbiaceae
Sapium
sebiferum (L.) Roxb.
tamarack
LAXLA
Pinaceae
Larix
americana Michx.
tamarisk, Chinese
TAACH
Tamariscaceae
Tamarix
chinensis Lour.
tamarisk, French
TAAGA
Tamariscaceae
Tamarix
gallica L.
tamarisk, athel
TAAAP
Tamariscaceae
Tamarix
aphylla (L.) Karsten
tamarisk, smallflower
TAAPA
Tamariscaceae
Tamarix
parviflora DC.
tanoak
LIADE
Fagaceae
Lithocarpus
densiflorus
tansy, common
CHYVU
Compositae
Tanacetum
vulgare L.
tansymustard
DESSS
Cruciferae
Descurainia
sp.
tansymustard, Menzies
DESPM
Cruciferae
Descurainia
pinnata ssP. menziesii (DC.) Detl.
tansymustard, Richardson
DESRI
Cruciferae
Descurainia
richardsonii (Sweet) O.E.Schulz
tansymustard, green
DESRB
Cruciferae
Descurainia
pinnata ssp. brachycarpa (Richards.) Detl.
tansymustard, pinnate
DESPI
Cruciferae
Descurainia
pinnata (Walt.) Britt.
tansymustard, western
DESRJ
Cruciferae
Descurainia
richardsonii ssp. incisa (Engelm.) Detl.
tapegrass
VAISP
Hydrocharitaceae
Vallisneria
spiralis L.
taro,wild
CXSES
Araceae
Colocasia
esculenta (L.) Schott
tarragon
ARTDR
Compositae
Artemisia
dracunculus L.
tarweed
MADSS
Compositae
Madia
sp.
tarweed, Chilean
MADSC
Compositae
Madia
capitata Nutt.
tarweed, cluster
MADGL
Compositae
Madia
glomerata Hook.
tarweed, coast
MADSA
Compositae
Madia
sativa Molina
tarweed, hayfield
HEZCO
Compositae
Hemizonia
congesta DC.
tarweed, palouse
AMSRE
Boraginaceae
Amsinckia
retrorsa Suksd.
tarweed, showy
MADEL
Compositae
Madia
elegans D.Don
tarweed, virgate
HOQVI
Compositae
Holocarpha
virgata (Gray) Keck
tasajillo
OPULE
Cactaceae
Opuntia
leptocaulis DC.
tasselflower
EMIFO
Compositae
Emilia
fosbergii Nichols./Nilson
tea, Labrador
LEDGR
Ericaceae
Ledum
groenlandicum Oeder
tea, New Jersey
CEAAM
Rhamnaceae
Ceanothus
americanus L.
tearthumb, arrowleaf
POLSA
Polygonaceae
Polygonum
sagittatum L.
teasel, common
DIWSI
Dipsacaceae
Dipsacus
fullonum L.
teasel, cutleaf
DIWLA
Dipsacaceae
Dipsacus
laciniatus L.
teasel, fullers
DIWSA
Dipsacaceae
Dipsacus
sativus (L.) Honckeny
teaweed
SIDSP
Malvaceae
Sida
spinosa L.
telegraphplant
HTTGR
Compositae
Heterotheca
grandiflora Nutt.
tetterwort
CHQMA
Papaveraceae
Chelidonium
majus L.
texasweed
CNPPA
Euphorbiaceae
Caperonia
palustris (L.) St. Hil.
thimbleberry, western
RUBPA
Rosaceae
Rubus
parviflorus Nutt.
thistle
CIRSS
Compositae
Cirsium
sp.
thistle, Canada
CIRAR
Compositae
Cirsium
arvense (L.) Scop.
thistle, Flodman
CIRFL
Compositae
Cirsium
flodmanii (Rydb.) Arthur
thistle, Indian
CIRED
Compositae
Cirsium
edule Nutt
thistle, Italian
CRUPY
Compositae
Carduus
pycnocephalus L.
thistle, Russian
SASKR
Chenopodiaceae
Salsola
iberica Sennen & Pau
thistle, Scotch
ONRAC
Compositae
Onopordum
acanthium L.
thistle, barbwire Russian
SASPA
Chenopodiaceae
Salsola
paulsenii Litv.
thistle, blessed
CXDBE
Compositae
Cnicus
benedictus L.
thistle, bull
CIRVU
Compositae
Cirsium
vulgare (Savi) Tenore
thistle, distaff
CAULA
Compositae
Carthamus
lanatus L.
thistle, field
CIRDI
Compositae
Cirsium
discolor (Muhl. ex Willd.) Spreng.
thistle, holy
SLYMA
Compositae
Silybum
marianum (L.) Gaertn.
thistle, leafy
CIRFO
Compositae
Cirsium
foliosum (Hook.) DC.
thistle, marsh
CIRPA
Compositae
Cirsium
palustre (L.) Scop.
thistle, musk
CRUNU
Compositae
Carduus
nutans L.
thistle, pasture
CIRPU
Compositae
Cirsium
pumilum (Nutt.) Spreng.
thistle, plumeless
CRUAC
Compositae
Carduus
acanthoides L.
thistle, slenderflower
CRUTE
Compositae
Carduus
tenuiflorus W.Curtis
thistle, tall
CIRAL
Compositae
Cirsium
altissimum (L.) Spreng.
thistle, wavyleaf
CIRUN
Compositae
Cirsium
undulatum (Nutt.) Spreng.
thistle, welted
CRUCR
Compositae
Carduus
crisPus L.
thistle, western
CIROC
Compositae
Cirsium
occidentale (Nutt.) Jeps.
thistle, yellow
CIRHO
Compositae
Cirsium
horrldulum Michx.
thistle, yellowspine
CIROH
Compositae
Cirsium
ochrocentrum Gray
thoroughwort, white
EUPAL
Compositae
Eupatorium
album L.
threeawn, arrowfeather
ARKPU
Gramineae
Aristida
purpurascens poir.
threeawn, prairie
ARKOL
Gramineae
Aristida
oligantha Michx.
threeawn, red
ARKLS
Gramineae
Aristida
longiseta Steud.
threeawn, reverchon
ARKGL
Gramineae
Aristida
glauca (Nees) Walp.
threeawn, sixweeks
ARKAD
Gramineae
Aristida
adscensionis L.
threesquare, Olney
SCPOL
Cyperaceae
Scirpus
olneyi Gray
threesquare, common
SCPAM
Cyperaceae
Scirpus
americanus Pers.
tickclover, hoary
DEDCN
Leguminosae
Desmodium
canescens (L.) DC.
tickclover, sessile
DEDSF
Leguminosae
Desmodium
sessilifolium (Torr.) T. & G.
tickseed, hyssopleaf
CRQHY
Chenopodiaceae
Corispermum
hyssopifolium L.
tidestromia, woolly
TIDLA
Amaranthaceae
Tidestromia
lanuginosa (Nutt.) Standl.
timothy
PHLPR
Gramineae
Phleum
pratense L.
toadflax
LINSS
Scrophulariaceae
Linaria
sp.
toadflax, Dalmatian
LINDA
Scrophulariaceae
Linaria
genistifolia ssP. dalmatica (L.) Maire&Petitmengin
toadflax, Florida
LINFL
Scrophulariaceae
Linaria
floridana Chapm.
toadflax, Texas
LINTX
Scrophulariaceae
Linaria
texana Scheele
toadflax, oldfield
LINCA
Scrophulariaceae
Linaria
canadensis (L.) Dumont
toadflax, striped
LINRP
Scrophulariaceae
Linaria
repens (L.) Mill.
toadflax, yellow
LINVU
Scrophulariaceae
Linaria
vulgaris Mill.
tobacco, desert
NIOTR
Solanaceae
Nicotiana
trigonophylla Dunal
tobacco, tree
NIOGL
Solanaceae
Nicotiana
glauca Graham
tobosagrass
HILMU
Gramineae
Hilaria
mutica (Buckl.) Benth.
toothcup
ROTRA
Lythraceae
Rotala
ramosior (L.) Koehne
toothcup, Indian
ROTIN
Lythraceae
Rotala
indica (Willd.) Koehne
torpedograss
PANRE
Gramineae
Panicum
repens L.
toyon
HTEAR
Rosaceae
Heteromeles
arbutifolia (Aiton) M.Roemer
tree-of-heaven
AILAL
Simaroubaceae
Ailanthus
peregrina Barkl.
trefoil, birdsfoot
LOTCO
Leguminosae
Lotus
corniculatus L.
trema, Florida
TREMI
Ulmaceae
Trema
micrantha (L.) Blume
trumpetcreeper
CMIRA
Bignoniaceae
Campsis
radicans (L.) Seem. ex Bureau
trumpetflower
TECST
Bignoniaceae
Tecoma
stans (L.) Juss. ex H.B.K.
tumblegrass
SCEPA
Gramineae
Schedonnardus
paniculatus (Nutt.) Trel.
turnip, wild
BRSRA
Cruciferae
Brassica
asperifolia Lam.
turnipweed
RASRU
Cruciferae
Rapistrum
rugosum (L.) All.
tussock, serrated
STDTR
Gramineae
Nassella
trichotoma (Nees) Hack.

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