Weed Name
Bayer Code

Family

Genus

Species
palmetto, saw
SERRE
Palmae
Serenoa
repens (Bartr.) Small
palmgrass
SETPA
Gramineae
Setaria
palmifolia (Koenig) Stapf
paloverde, Mexican
CCISS
Leguminosae
Cercidium
sp.
pangolagrass
DIGDE
Gramineae
Digitaria
decumbens Stent
panicum
PANSS
Gramineae
Panicum
sp.
panicum, Texas
PANTE
Gramineae
Panicum
texanum Buckl.
panicum, broadleaf
PANAD
Gramineae
Panicum
adspersum Trin.
panicum, browntop
PANFA
Gramineae
Panicum
fasciculatum Sw.
panicum, fall
PANDI
Gramineae
Panicum
dichotomiflorum Michx.
panicum, fringed
PANCI
Gramineae
Panicum
ciliatum Ell.
panicum, redtop
PANRI
Gramineae
Panicum
rigidulum Bosc ex Nees
panicum, roundseed
PANSP
Gramineae
Panicum
sphaerocarpon Ell.
panicum, sprawling
PANRP
Gramineae
Urochloa
reptans (L.) Stapf
panicum, woolly
PANLG
Gramineae
Panicum
lanuginosum Ell.
pansy
VIOTR
Violaceae
Viola
tricolor L.
pansy, field
VIORA
Violaceae
Viola
rafinesquii Greene
paperbark tree
MLAQU
Myrtaceae
Melaleuca
quinquenervia (Cav.) Blake
papermulberry tree
BRNPA
Moraceae
Broussonetia
papyrifera (L.) Vent.
paragrass
PANPU
Gramineae
Panicum
barbinode Trin.
parrotfeather
MYPBR
Haloragaceae
Myriophyllum
aquaticum (Vell.) Verdc.
parsley piert
APHAR
Rosaceae
Alchemilla
arvensis (L.) Scop.
parsley piert, slender
APHMI
Rosaceae
Alchemilla
microcarpa Boiss. & Reut.
parsley, spring
CYFWA
Umbelliferae
CymoPterus
watsonii (Coult. & Rose) Jones
parsnip, wild
PAVSA
Umbelliferae
Pastinaca
sativa J.
partridgepea
CASFA
Leguminosae
Cassia
fasciculata Michx.
partridgepea, sensitive
CASNI
Leguminosae
Cassia
nictitans L.
paspalum, Florida
PASFD
Gramineae
Paspalum
floridanum Michx.
paspalum, barestem
PASSL
Gramineae
Paspalum
setaceum var. longipedunculatum (Le Conte) Wood
paspalum, bull
PASBO
Gramineae
Paspalum
boscianum Fluegge
paspalum, field
PASLA
Gramineae
Paspalum
laeve Michx.
paspalum, fringeleaf
PASCI
Gramineae
Paspalum
setaceum var. ciliatifolium (Michx.) Vasey
paspalum, ricegrass
PASOR
Gramineae
Paspalum
orbiculare Forst.
paspalum, seashore
PASVA
Gramineae
Paspalum
vaginatum Sw.
paspalum, sour
PASCO
Gramineae
Paspalum
conjugatum Bergius
paspalum, supine
PASSP
Gramineae
Paspalum
setaceum var. supinum (Bosc ex Poir.) Trin.
paspalum, thin
PASSA
Gramineae
Paspalum
setaceum Michx.
paspalum, water
PASFL
Gramineae
Paspalum
fluitans (Ell.) Kunth
passionflower, corkystemmed
PAQSU
Passifloraceae
Passiflora
suberosa L.
passionflower, maypop
PAQIN
Passifloraceae
Passiflora
incarnata L.
passionflower, redfruit
PAQFO
Passifloraceae
Passiflora
foetida L.
pawpaw
ASITR
Annonaceae
Asimina
triloba (L.) Dunal
pawpaw, flag
ASIIN
Annonaceae
Asimina
incana (Bartr.) Exell
pawpaw, netleaf
ASIRE
Annonaceae
Asimina
reticulata Shuttlw. ex Chapman
peach
PRNPS
Rosaceae
Prunus
persica (L.) Batsch
pearlwort, birdseye
SAISS
Caryophyllaceae
Sagina
sp.
peavine, everlasting
LTHLA
Leguminosae
Lathyrus
latifolius L.
peavine, flat
LTHSY
Leguminosae
Lathyrus
sylvestris L.
peavine, flatpod
LTHCI
Leguminosae
Lathyrus
cicera L.
peavine, grass
LTHSA
Leguminosae
Lathyrus
sativus L.
peavine, marsh
LTHPA
Leguminosae
Lathyrus
palustris L.
peavine, meadow
LTHPR
Leguminosae
Lathyrus
pratensis L.
peavine, rough
LTHHI
Leguminosae
Lathyrus
hirsutus L.
pellitory, Florida
PAIFL
Urticaceae
Parietaria
floridana Nutt.
pellitory, Pennsylvania
PAIPE
Urticaceae
Parietaria
pensylvanica Muhl. ex Willd.
pennycress
THLSS
Cruciferae
Thlaspi
sp.
pennycress, field
THLAR
Cruciferae
Thlaspi
arvense L.
pennycress, thoroughwort
THLPE
Cruciferae
Thlaspi
perfoliatum L.
pennywort
HYDSS
Umbelliferae
Hydrocotyle
sp.
pennywort, Asiatic
CLLAS
Umbelliferae
Centella
asiatica (L.) Urban
pennywort, coastal plain
HYDBO
Umbelliferae
Hydrocotyle
bonariensis Comm. ex Lam.
pennywort, floating
HYDRA
Umbelliferae
Hydrocotyle
ranunculoides L. f.
pennywort, lawn
HYDSI
Umbelliferae
Hydrocotyle
sibthorpioides Lam.
pennywort, marsh
HYDAM
Umbelliferae
Hydrocotyle
americana L.
pennywort, water
HYDUM
Umbelliferae
Hydrocotyle
umbellata L.
pennywort, whorled
HYDVE
Umbelliferae
Hydrocotyle
verticillata Thunb.
penstemon, Eaton
PEEEA
Scrophulariaceae
Penstemon
eatonii Gray
peppergrass
PANWH
Gramineae
Panicum
whitei J.M.Black
peppermint
MENPI
Labiatae
Mentha
piperita L.
peppertree, Brazilian
SCITE
Anacardiaceae
Schinus
terebinthifolius Raddi
peppertree, California
SCIMO
Anacardiaceae
Schinus
molle L.
peppertree, monks
VIXAC
Verbenaceae
Vitex
agnus-castus L.
peppervine
AMCAR
Vitaceae
Ampelopsis
arborea (L.) Koehne
pepperweed
LEPSS
Cruciferae
Lepidium
sp.
pepperweed, Virginia
LEPVI
Cruciferae
Lepidium
virginicum L.
pepperweed, clasping
LEPPE
Cruciferae
Lepidium
perfoliatum L.
pepperweed, field
LEPCA
Cruciferae
Lepidium
campestre (L.) R.Br.
pepperweed, greenflower
LEPDE
Cruciferae
Lepidium
densiflorum Schrad.
pepperweed, narrowleaf
LEPRU
Cruciferae
Lepidium
ruderale L.
pepperweed, perennial
LEPLA
Cruciferae
Lepidium
latifolium L.
pepperweed, sand
LEPLC
Cruciferae
Lepidium
lasiocarpum Nutt.
pepperweed, tongue
LEPNI
Cruciferae
Lepidium
nitidum Nutt.
pepperwort, European
MASQU
Marsileaceae
Marsilea
quadrifolia L.
pepperwort, hairy
MASMU
Marsileaceae
Marsilea
vestita Hook. & Grev.
periwinkle, Madagascar
CTURO
Apocynaceae
Catharanthus
roseus (L.) G.Don
periwinkle, big
VINMA
Apocynaceae
Vinca
major L.
periwinkle, common
VINMI
Apocynaceae
Vinca
minor L.
persimmon, common
DOSVI
Ebenaceae
Diospyros
virginiana L.
persimmon, eastern
DOSSS
Ebenaceae
Diospyros
sp.
petunia, seaside
PEUPA
Solanaceae
Petunia
parviflora Juss.
petunia, wild
RUECA
Acanthaceae
Ruellia
caroliniensis (Walter ex J.F. Gmel.) Steud.
pickerelweed
POECO
Pontederiaceae
Pontederia
cordata L.
pickerelweed, lanceleaf
POFCL
Pontederiaceae
Pontederia
cordata var.lancifolia (Muhl.) Torr.
pigeongrass
SETSS
Gramineae
Setaria
sp.
pigweed, Russian
AXYAM
Chenopodiaceae
Axyris
amaranthoides L.
pigweed, fringed
AMAFI
Amaranthaceae
Amaranthus
fimbriatus (Torr.) Benth. ex S.Wats.
pigweed, prostrate
AMABL
Amaranthaceae
Amaranthus
blitoides S.Wats.
pigweed, redroot
AMARE
Amaranthaceae
Amaranthus
retroflexus L.
pigweed, smooth
AMACH
Amaranthaceae
Amaranthus
hybridus L.
pigweed, spiny
AMASP
Amaranthaceae
Amaranthus
caracasanus H.B.K.
pigweed, tumble
AMAAL
Amaranthaceae
Amaranthus
albus L.
pigweed, winged
CYMAT
Chenopodiaceae
Cycloloma
atriplicifolium (Spreng.) Coult.
pigweeds
AMASS
Amaranthaceae
Amaranthus
sp.
pilipiliula
CYSAC
Gramineae
Chrysopogon
aciculatus (Retz.) Trin.
pimpernel, scarlet
ANGAR
Primulaceae
Anagallis
mas Vill.
pine
PIUSS
Pinaceae
Pinus
sp.
pine, Australian
CSUEQ
Casuarinaceae
Casuarina
equisetifolia L. var. Incana Benth.
pine, jack
PIUBN
Pinaceae
Pinus
banksiana Lamb.
pine, loblolly
PIUTD
Pinaceae
Pinus
taeda L.
pine, ponderosa
PIUPO
Pinaceae
Pinus
ponderosa Dougl. ex P.&C. Laws
pine, red
PIURE
Pinaceae
Pinus
resinosa Ait./Soland.
pine, white-bark
PIUAB
Pinaceae
Pinus
albicaulis Engelm.
pineappleweed
MATMT
Compositae
Matricaria
matricarioides (Less.) C.L.Porter
pinegrass
CLMRU
Poaceae
Calamagrostis
rubescens Buckl.
pineweed
HYPGE
Hypericaceae
Hypericum
gentianoides (L.) B.S.P.
pingue
HYXRF
Compositae
Hymenoxys
richardsoni Cockll. var. floribunda (Gray) Parker
pink, Deptford
DINAR
Caryophyllaceae
Dianthus
armeria L.
pitscalegrass
HAKGR
Gramineae
Hackelochloa
granularis (L.) Ktze.
plantain, blackseed
PLARU
Plantaginaceae
Plantago
rugelii Dcne.
plantain, bracted
PLAAR
Plantaginaceae
Plantago
aristata Michx.
plantain, broadleaf
PLAMA
Plantaginaceae
Plantago
major L.
plantain, buckhorn
PLALA
Plantaginaceae
Plantago
lanceolata L.
plantain, hoary
PLAME
Plantaginaceae
Plantago
media L.
plantain, paleseed
PLAVI
Plantaginaceae
Plantago
virginica L.
plantain, slender
PLAPU
Plantaginaceae
Plantago
elongata Pursh
plantain, woolly
PLAPR
Plantaginaceae
Plantago
patagonica Jacq.
plantainlily, fragrant
HSTPL
Liliaceae
Hosta
plantaginea (Lam.) Aschers.
plantains
PLASS
Plantaginaceae
Plantago
sp.
plum, American
PRNAM
Rosaceae
Prunus
americana Marsh.
plum, Chickasaw
PRNAN
Rosaceae
Prunus
angustifolia Marsh.
plum, garden
PRNDO
Rosaceae
Prunus
domestica L.
plumegrass, silver
ERNAL
Gramineae
Erianthus
alopecuroides (L.) Ell.
plumegrass, sugarcane
ERNGI
Gramineae
Erianthus
giganteus (Walt.) Muhl.
plushgrass
CHRBA
Poaceae
Chloris
inflata Link
poinciana, paradise
CAEGI
Leguminosae
Caesalpinia
gilliesii (Wall. ex Hook.) Benth.
poinsettia, painted
EPHCT
Euphorbiaceae
Euphorbia
cyathophora Murr.
poinsettia, wild
EPHHL
Euphorbiaceae
Euphorbia
heterophylla L.
pokeweed, common
PHTAM
Phytolaccaceae
Phytolacca
decandra L.
polargrass
ARSLA
Gramineae
Arctagrostis
latifolia (R.Br.) Griseb.
polemonium, annual
PMNMI
Polemoniaceae
Polemonium
micranthum Benth.
polypogon, ditch
POHIN
Gramineae
Polypogon
interruptus H.B.K.
pondweed, American
PTMNO
Potamogetonaceae
Potamogeton
nodosus Poir.
pondweed, Fries
PTNFR
Potamogetonaceae
Potamogeton
friesii Rupr.
pondweed, Illinois
PTMIL
Potamogetonaceae
Potamogeton
illinoensis Morong
pondweed, curlyleaf
PTMCR
Potamogetonaceae
Potamogeton
crispus L.
pondweed, fineleaf
PTMFI
Potamogetonaceae
Potamogeton
filiformis Pers.
pondweed, flatstem
PTMZO
Potamogetonaceae
Potamogeton
zosteriformis Fern.
pondweed, floatingleaf
PTMNA
Potamogetonaceae
Potamogeton
natans L.
pondweed, horned
ZAIPA
Zannichelliaceae
Zannichellia
palustris L.
pondweed, largeleaf
PTMAM
Potamogetonaceae
Potamogeton
amplifolius Tuckerman
pondweed, leafy
PTMFO
Potamogetonaceae
Potamogeton
foliosus Raf.
pondweed, ribbonleaf
PTMEP
Potamogetonaceae
Potamogeton
epihydrus Raf.
pondweed, sago
PTMPE
Potamogetonaceae
Potamogeton
pectinatus L.
pondweed, small
PTMPU
Potamogetonaceae
Potamogeton
pusillus L.
pondweed, tassel
RUPMA
Ruppiaceae
Ruppia
maritima L.
pondweed, variable
PTMGR
Potamogetonaceae
Potamogeton
gramineus L.
pondweed, waterthread
PTMDF
Potamogetonaceae
Potamogeton
diversifolius Raf.
pondweed, whitestem
PTMPR
Potamogetonaceae
Potamogeton
praelongus Wulfen
poorjoe
DIQTE
Rubiaceae
Diodia
teres Walt.
poplar
POPSS
Salicaceae
Populus
sp.
poplar, balsam
POPBA
Salicaceae
Populus
balsamifera L.
poplar, white
POPAL
Salicaceae
Populus
alba L.
poplar, yellow
LIRTU
Magnoliaceae
Liriodendron
tulipifera L.
poppy, California
ESHCA
Papaveraceae
Eschscholtzia
californica Cham.
poppy, Roemer
ROERE
Papaveraceae
Roemeria
refracta (Stev.) DC.
poppy, corn
PAPRH
Papaveraceae
Papaver
rhoeas L.
poppy, field
PAPDU
Papaveraceae
Papaver
dubium L.
poppy, pinnate
PAPAR
Papaveraceae
Papaver
argemone L.
poppymallow, plains
COEAL
Malvaceae
Callirhoe
alcaeoides (Michx.) Gray
poppymallow, purple
COEIN
Malvaceae
Callirhoe
involucrata (T. & G.) Gray
porcupinegrass
STDSP
Gramineae
Stipa
spartea Trin.
potato (volunteer)
SOLTU
Solanaceae
Solanum
tuberosum L.
povertyweed, Nuttall
MOPNU
Chenopodiaceae
Monolepis
nuttalliana Greene
pricklepoppy, Mexican
ARGME
Papaveraceae
Argemone
mexicana L.
pricklepoppy, annual
ARGPL
Papaveraceae
Argemone
polyanthemos (Fedde) G.B.Ownbey
pricklepoppy, bluestem
ARGAL
Papaveraceae
Argemone
albiflora Hornem.
pricklypear
OPUSS
Cactaceae
Opuntia
sp.
pricklypear, Lindheimer
OPULI
Cactaceae
Opuntia
lindheimeri Engelm.
pricklypear, brittle
OPUFR
Cactaceae
Opuntia
fragilis (Nutt.) Haw.
pricklypear, eastern
OPUHA
Cactaceae
Opuntia
humifusa var. austrina (Small) Dress
pricklypear, plains
OPUPO
Cactaceae
Opuntia
polyacantha Haw.
pricklypear, spreading
OPUHU
Cactaceae
Opuntia
humifusa Raf.
prunus
PRNSS
Rosaceae
Prunus
sp.
psyllium
PLAIN
Plantaginaceae
Plantago
arenaria Waldst. & Kit.
puccoon, hoary
SNGSS
Boraginaceae
Sanguinaria
sp.
puncturevine
TRBTE
Zygophyllaceae
Tribulus
terrestris L.
purpletop
TRSFL
Gramineae
Triodia
flava Hitch.
purslane, common
POROL
Portulacaceae
Portulaca
oleracea L.
purslane, horse
TRTPO
Aizoaceae
Trianthema
portulacastrum L.
purslane, pink
PORPI
Portulacaceae
Portulaca
pilosa L.
pusley, Brazil
RCHBR
Rubiaceae
Richardia
brasiliensis (Moq.) Gomez
pusley, Florida
RCHSC
Rubiaceae
Richardia
scabra L.
pussytoes, Canada
ANXCA
Compositae
Antennaria
canadensis Greene
pussytoes, field
ANXNE
Compositae
Antennaria
neglecta Greene
pussytoes, plantainleaf
ANXPL
Compositae
Antennaria
plantaginifolia (L.) Richards.

Back to Weed List Back to Cross-Reference List HOME