Weed Name
Bayer Code

Family

Genus

Species
oak
QUESS
Fagaceae
Quercus
sp.
oak, Gambel
QUEGA
Fagaceae
Quercus
gambelii Nutt.
oak, Pacific poison
RHUDI
Anacardiaceae
Toxicodendron
diversilobum (T. & G.) Greene
oak, black
QUEVE
Fagaceae
Quercus
velutina Lam.
oak, blackjack
QUEMR
Fagaceae
Quercus
marilandica Muenchh.
oak, bluejack
QUEIN
Fagaceae
Quercus
incana Bartr.
oak, chestnut
QUEPR
Fagaceae
Quercus
montana Willd.
oak, dwarf live
QUEMN
Fagaceae
Quercus
minima (Sarg.) Small
oak, laurel
QUELF
Fagaceae
Quercus
laurifolia Michx.
oak, live
QUEVI
Fagaceae
Quercus
virginiana Mill.
oak, myrtle
QUEMT
Fagaceae
Quercus
myrtifolia Willd.
oak, northern pin
QUEEL
Fagaceae
Quercus
ellipsoidalis E.J.Hill
oak, northern red
QUERU
Fagaceae
Quercus
rubra L.
oak, pin
QUEPA
Fagaceae
Quercus
palustris Muenchh.
oak, plateau
QUEVF
Fagaceae
Quercus
virginiana var. fusiformis (Small) Sarg.
oak, poison
TOXQU
Anacardiaceae
Toxicodendron
toxicarium (Salisb.) Gillis
oak, post
QUESL
Fagaceae
Quercus
stellata Wangenh.
oak, running
QUEPM
Fagaceae
Quercus
pumila Walt.
oak, scarlet
QUECO
Fagaceae
Quercus
coccinea Muenchh.
oak, scrub live
QUEVM
Fagaceae
Quercus
geminata Small
oak, shinnery
QUEHV
Fagaceae
Quercus
havardii Rydb.
oak, southern red
QUEFC
Fagaceae
Quercus
falcata Michx.
oak, turbinella
QUETB
Fagaceae
Quercus
turbinella Greene
oak, turkey
QUELA
Fagaceae
Quercus
laevis Walt.
oak, water
QUENI
Fagaceae
Quercus
nigra L.
oak, white
QUEAL
Fagaceae
Quercus
alba L.
oak, willow
QUEPH
Fagaceae
Quercus
phellos L.
oat (volunteer)
AVESA
Gramineae
Avena
sativa L.
oat, slender
AVEBA
Gramineae
Avena
barbata J.F.Pott ex Link
oat, sterile
AVEST
Gramineae
Avena
sterilis L.
oat, wild
AVEFA
Gramineae
Avena
fatua L.
oat, winter wild
AVELU
Gramineae
Avena
ludoviciana Durieu
oatgrass, poverty
DANSP
Gramineae
Danthonia
spicata (L.) Beauv. ex R. & S.
oatgrass, tall
ARREL
Gramineae
Arrhenatherum
elatius (L.) Beauv. ex J. & C. Presl
oats
AVESA
Gramineae
Avena
sativa L.
okra
ABMES
Malvaceae
Abelmoschus
esculentus (L.) Moench
old-plainsman
HYYSC
Compositae
Hymenopappus
scabiosaeus var. corymbosus (T. & G.) B.L.Turner
olive, Russian
ELGAN
Elaeagnaceae
Elaeagnus
angustifolia L.
olive, autumn
ELGUM
Elaeagnaceae
Elaeagnus
umbellata Thunb.
onion, wild
ALLCA
Liliaceae
Allium
canadense L.
oniongrass
ROMLO
Iridaceae
Romulea
longifolia (Salisb.) Baker
onionweed
ASHFI
Liliaceae
Asphodelus
tenuifolius Cav.
orach, garden
ATXHO
Chenopodiaceae
Atriplex
hortensis L.
orach, halberdleaf
ATXHA
Chenopodiaceae
Atriplex
patula var. hastata (L.) Gray
orach, red
ATXRO
Chenopodiaceae
Atriplex
rosea L.
orach, spreading
ATXPA
Chenopodiaceae
Atriplex
patula L.
orchardgrass
DACGL
Gramineae
Dactylis
glomerata L.
orchardgrass (seedling)
DACGL
Gramineae
Dactylis
glomerata L.
osage, orange
MACPO
Moraceae
Maclura
pomifera (Raf.) Schneid.
osier
SAXVI
Salicaceae
Salix
viminalis L.
oxalis
OXASS
Oxalidaceae
Oxalis
sp.
oxalis, buttercup
OXAPC
Oxalidaceae
Oxalis
pes-caprae L.
oxeye
HEFHE
Compositae
Heliopsis
helianthoides (L.) Sweet
oxtongue
PICSS
Compositae
Picris
sp.
oxtongue, bristly
PICEC
Compositae
Picris
echioides L.
oxtongue, hawkweed
PICHI
Compositae
Picris
hieracioides L.

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