Weed Name
Bayer Code

Family

Genus

Species
sacaton, alkali
SPZAI
Gramineae
Sporobolus
airoides Torr.
sage
SALSS
Labiatae
Salvia
sp.
sage, black
SALMF
Labiatae
Salvia
mellifera Greene
sage, blue
SALAZ
Labiatae
Salvia
azurea Lam.
sage, lanceleaf
SALRE
Labiatae
Salvia
reflexa Hornem.
sage, meadow
SALPR
Labiatae
Salvia
pratensis L.
sage, Mediterranean
SALAE
Labiatae
Salvia
aethiopis L.
sage, pitchers
SALAG
Labiatae
Salvia
azurea var. grandiflora Benth.
sage, white
SALAP
Labiatae
Salvia
apiana Jeps.
sage, whorled
SALVE
Labiatae
Salvia
verticillata L.
sagebrush, big
ARTTR
Compositae
Artemisia
tridentata Nutt.
sagebrush, California
ARTCA
Compositae
Artemisia
californica Less.
sagebrush, fringed
ARTFR
Compositae
Artemisia
frigida Willd.
sagebrush, sand
ARTFI
Compositae
Artemisia
filifolia Torr.
sagewort, common
ARTCM
Compositae
Artemisia
campestris L.
sagewort, field
ARTCC
Compositae
Artemisia
campestris ssp. caudata (Michx.) Hall & Clements
salmonberry
RUBSP
Rosaceae
Rubus
spectabilis Pursh
salsify, common
TROPS
Compositae
Tragopogon
porrifolius L.
salsify, meadow
TROPR
Compositae
Tragopogon
pratensis L.
salsify, western
TRODM
Compositae
Tragopogon
dubius Scop.
saltbush, Australian
ATXSE
Chenopodiaceae
Atriplex
semibaccata R.Br.
saltbush, fourwing
ATXCA
Chenopodiaceae
Atriplex
canescens (Pursh) Nuttall
saltbush, Salton
ATXEF
Chenopodiaceae
Atriplex
elegans ssp. fasciculata (S.Wats.) Hall & Clements
saltbush, shadscale
ATXCO
Chenopodiaceae
Atriplex
confertifolia (Torr. & Frem.) S.Wats.
saltbush, silver myrtle
ATXSS
Chenopodiaceae
Atriplex
sp.
saltbush, silverscale
ATXAR
Chenopodiaceae
Atriplex
argentea Nutt.
saltbush, wheelscale
ATXEL
Chenopodiaceae
Atriplex
elegans (Moq.) D.Dietr.
saltcedar
TAAPE
Tamariscaceae
Tamarix
odessana Stev. ex Bunge
saltgrass, seashore
DISSP
Gramineae
Distichlis
spicata (L.) Greene
saltwort, Mediterranean
SASVE
Chenopodiaceae
Salsola
vermiculata L.
saltwort, spiny
SASKA
Chenopodiaceae
Salsola
kali L.
salvinia
SAVSS
Salviniaceae
Salvinia
sp.
salvinia, giant
SAVAU
Salviniaceae
Salvinia
auriculata Aubl.
sandbur
CCHSS
Gramineae
Cenchrus
sp.
sandbur (seedling)
CCHSS
Gramineae
Cenchrus
sp.
sandbur, dune
CCHTR
Gramineae
Cenchrus
tribuloides L.
sandbur, field
CCHIN
Gramineae
Cenchrus
incertus M.A.Curtis
sandbur, longspine
CCHPA
Gramineae
Cenchrus
longispinus (Hack.) Fern.
sandbur, southern
CCHEC
Gramineae
Cenchrus
echinatus L.
sandspur
KRALA
Krameriaceae
Krameria
lanceolata Torr.
sandspurry, red
SPBRU
Caryophyllaceae
Spergularia
rubra (L.) J. & C.Presl
sandwort, grove
MGJLA
Caryophyllaceae
Moehringia
lateriflora (L.) Fenzl.
sandwort, thymeleaf
ARISE
Caryophyllaceae
Arenaria
serpyllifolia L.
sarsaparillavine
SMIPU
Liliaceae
Smilax
pumila Walt.
sassafras
SSAAL
Lauraceae
Sassafras
albidum (Nutt.) Nees
satintail, Brazilian
IMPBR
Gramineae
Imperata
brasiliensis Trin.
savory, summer
STIHO
Labiatae
Satureja
hortensis L.
sawbriar, cat
SMIGL
Liliaceae
Smilax
glauca Walt.
sawgrass
CLKJA
Cyperaceae
Cladium
jamaicense Crantz
scabious, starry
CJNVU
Compositae
Crupina
vulgaris Cass.
scaleseed, spreading
SMPDI
Umbelliferae
Spermolepis
divaricata (Walt.) Britt.
scouringrush
EQUHY
Equisetaceae
Equisetum
hyemale L.
scurfpea, lemon
PSRSS
Leguminosae
Psoralea
sp.
sea-rocket
CAKMA
Cruciferae
Cakile
maritima Scop.
sedge, annual
CYPCP
Cyperaceae
Cyperus
compressus L.
sedge, beaked
CRXRO
Cyperaceae
Carex
rostrata Stokes ex With.
sedge, cylindric
CYPRT
Cyperaceae
Cyperus
retrorsus Chapman
sedge, Frank
CRXFR
Cyperaceae
Carex
frankii Kunth
sedge, giant whitetop
DICLA
Cyperaceae
Dichromena
latifolia Baldwin ex Ell.
sedge, globe
CYPGL
Cyperaceae
Cyperus
globulosus Aublet
sedge, green
CYPVI
Cyperaceae
Cyperus
virens Michx.
sedge, hop
CRXLU
Cyperaceae
Carex
lupulina Muhl. ex Willd.
sedge, knob
CYPPV
Cyperaceae
Cyperus
pseudovegetus Steud.
sedge, Leconte
CYPLE
Cyperaceae
Cyperus
lecontei Torr.
sedge, Louisiana
CRXLN
Cyperaceae
Carex
louisianica Bailey
sedge, Nebraska
CRXNB
Cyperaceae
Carex
nebraskensis Dewey
sedge, nerved waxy
CRXVR
Cyperaceae
Carex
verrucosa Muhl.
sedge, pale
CRXPL
Cyperaceae
Carex
pallescens L.
sedge, ripgut
CRXLA
Cyperaceae
Carex
lacustris Willd.
sedge, rough
CRXSN
Cyperaceae
Carex
senta Boott
sedge, smallflower umbrella
CYPDI
Cyperaceae
Cyperus
difformis L.
sedge, sugargrass
CRXAT
Cyperaceae
Carex
atherodes Spreng.
sedge, Surinam
CYPSU
Cyperaceae
Cyperus
surinamensis Rottb.
sedge, Texas
CYPPO
Cyperaceae
Cyperus
polystachyos Rottb. var. texensis (Torr.) Fern.
sedge, water
CRXAQ
Cyperaceae
Carex
aquatilis Wahlenb.
sedge, waxy
CRXGL
Cyperaceae
Carex
glaucescens Ell.
sedge, whitetop
DICCO
Cyperaceae
Dichromena
colorata (L.) A.S.Hitchc.
sedge, widefruit
CRXEU
Cyperaceae
Carex
eurycarPa Holm
sedge, wolftail
CRXCH
Cyperaceae
Carex
cherokeensis Schwein.
sedge, woolfruit
CRXLC
Cyperaceae
Carex
lasiocarPa Ehrh.
sedge, yellow-white
CRXAL
Cyperaceae
Carex
albolutescens Schwein.
seepweed, alkali
SUEFR
Chenopodiaceae
Suaeda
fruticosa Forsk.
seepweed, western
SUEOC
Chenopodiaceae
Suaeda
occidentalis S.Wats.
senna, coffee
CASOC
Leguminosae
Cassia
occidentalis L.
senna, wild
CASMA
Leguminosae
Cassia
marilandica L.
sensitivebriar, catclaw
SCNNU
Leguminosae
Schrankia
uncinata Willd.
sensitivebriar, littleleaf
SCNMI
Leguminosae
Schrankia
microphylla (Dryand.) Macbr.
sensitiveplant
MIMPU
Leguminosae
Mimosa
pudica L.
sensitiveplant, giant
MIMIN
Leguminosae
Mimosa
invisa Mart.
serviceberry
AMESS
Rosaceae
Amelanchier
sp.
serviceberry, Allegheny
AMELA
Rosaceae
Amelanchier
laevis Wieg.
sesbania
SEBSS
Leguminosae
Sesbania
sp.
sesbania, bagpod
SEBVI
Leguminosae
Sesbania
vesicaria (Jacq.) Ell.
sesbania, hemp
SEBEX
Leguminosae
Sesbania
exaltata (Raf.) Rydb. ex A.W.Hill
seymeria, smooth
SEYCA
Scrophulariaceae
Seymeria
cassioides (Walt.) Blake
seymeria, sticky
SEYPE
Scrophulariaceae
Seymeria
pectinata Pursh.
shattercane
SORVU
Gramineae
Sorghum
bicolor (L.) Moench
she-oak, Brazilian swamp
CSUGL
Casuarinaceae
Casuarina
glauca Sieb.
shepherdsneedle
SCAPV
Umbelliferae
Scandix
pecten-veneris L.
shepherdspurse
CAPBP
Cruciferae
Capsella
bursa-pastoris (L.) Medicus
sibara
SIBVI
Cruciferae
Sibara
virginica (L.) Rollins
sicklegrass
PHOIN
Gramineae
Parapholis
incurva (L.) C.E.Hubb.
sicklepod
CASOB
Leguminosae
Cassia
obtusifolia L.
sickleweed, longleaf
FALVU
Umbelliferae
Falcaria
vulgaris Bernh.
sida, alkali
SIDHE
Malvaceae
Sida
hederacea (Dougl.) Torr.
sida, arrowleaf
SIDRH
Malvaceae
Sida
rhombifolia L.
sida, heartleaf
SIDCO
Malvaceae
Sida
cordifolia L.
sida, prickly
SIDSP
Malvaceae
Sida
alba L./Mill.
sida, southern
SIDAC
Malvaceae
Sida
acuta Burm. f.
signalgrass
BRASS
Gramineae
Brachiaria
sp.
signalgrass, broadleaf
BRAPP
Gramineae
Brachiaria
platyphylla (Griseb.) Nash
signalgrass, fringed
BRACI
Gramineae
Brachiaria
ciliatissima (Buckl.) Chase
signalgrass, narrowleaf
BRAPI
Gramineae
Brachiaria
piligera (F.Muell.) Hughes
silkgrass
CYRGR
Compositae
Chrysopsis
graminifolia (Michx.) Nutt.
silk-reed
NEYRE
Gramineae
Neyraudia
reynaudiana (Kunth) Keng ex A.S.Hitchc.
silktree
ALBJU
Leguminosae
Albizia
julibrissin Durazz.
skeletonweed
LYGJU
Compositae
Lygodesmia
juncea (Pursh) D.Don
skullcap, hoary
SCDIN
Labiatae
Scutellaria
incana Biehler
skullcap, marsh
SCDGA
Labiatae
Scutellaria
galericulata L.
skunk-cabbage, common
SYLFO
Araceae
Symplocarpus
foetidus (L.) Nutt.
smartweed, dotted
POLPT
Polygonaceae
Polygonum
punctatum Ell.
smartweed, green
POLSC
Polygonaceae
Polygonum
scabrum Moench
smartweed, hedge
POLSD
Polygonaceae
Polygonum
scandens L.
smartweed, marshpepper
POLHY
Polygonaceae
Polygonum
hydropiper L.
smartweed, mild
POLHP
Polygonaceae
Polygonum
hydropiperoides Michx.
smartweed, Pennsylvania
POLPY
Polygonaceae
Polygonum
pensylvanicum L.
smartweed, prickly
POLBU
Polygonaceae
Polygonum
bungeanum Turcz.
smartweed, swamp
POLCC
Polygonaceae
Polygonum
coccineum Muhl. ex Willd.
smartweed, water
POLAM
Polygonaceae
Polygonum
amphibium L.
smartweed, woolly
POLTO
Polygonaceae
Polygonum
lapathifolium L. ssp. pallidum (With.) Fr.
smartweeds (annuals)
POLSS
Polygonaceae
Polygonum
sp.
smellmelon
CUMMD
Cucurbitaceae
Cucumis
melo L. var. dudaim Naud.
smutgrass
SPZPO
Gramineae
Sporobolus
poiretti (Roem. & Schult.) Hitchc.
snakeroot, black
CIMRA
Ranunculaceae
Cimicifuga
racemosa (L.) Nutt.
snakeroot, button
ERXYU
Umbelliferae
Eryngium
yuccifolium Michx.
snakeroot, white
EUPRU
Compositae
Eupatorium
rugosum Houtt.
snakeweed
GUESS
Compositae
Gutierrezia
sp.
snakeweed, broom
GUESA
Compositae
Gutierrezia
sarothrae (Pursh) Britt. & Rusby
snakeweed, threadleaf
GUEMI
Compositae
Gutierrezia
microcephala (DC.) Gray
snapdragon
ATHMM
Scrophulariaceae
Antirrhinum
majus L.
snapdragon, dwarf
CHNMI
Scrophulariaceae
Chaenorrhinum
minus (L.) Lange
sneezeweed, bitter
HENAM
Compositae
Helenium
amarum (Raf.) H.Rock
sneezeweed, common
HENAU
Compositae
Helenium
autumnale L.
sneezeweed, orange
HENHO
Compositae
Helenium
hoopesii Gray
sneezeweed, purplehead
HENFL
Compositae
Helenium
flexuosum Raf.
snowberry, common
SYPAL
Caprifoliaceae
Symphoricarpos
albus (L.) S.F.Blake
snowberry, western
SYPOC
Caprifoliaceae
Symphoricarpos
occidentalis Hook.
snowflake, summer
LEJAE
Amaryllidaceae
Leucojum
aestivum L.
snow-on-the-mountain
EPHMG
Euphorbiaceae
Euphorbia
marginata Pursh
soap plant
CHLPO
Liliaceae
Chlorogalum
pomeridianum (KER./DC.) Kunth
soapberry, western
SAKSD
Sapindaceae
Sapindus
saponaria L. var. drummondii (H. & A.) L.Benson
soda apple, tropical
SOLVI
Solanaceae
Solanum
viarum Dunal
sophora, silky
SOBSR
Leguminosae
Sophora
sericea Nutt.
sorghum (volunteer)
SORSS
Gramineae
Sorghum
sp.
sorghum, almum
SORAL
Gramineae
Sorghum
almum Parod.
sorrel, green
RUMAC
Polygonaceae
Rumex
acetosa L.
sorrel, heartwing
RUMHA
Polygonaceae
Rumex
hastatulus Baldw. ex Ell.
sorrel, red
RUMAA
Polygonaceae
Rumex
acetosella L.
sourgrass
TRCIN
Gramineae
Trichachne
insularis (L.) Mez ex Ekman
sourwood, common
OXDAR
Ericaceae
Oxydendrum
arboreum (L.) DC.
sowthistle, annual
SONOL
Compositae
Sonchus
oleraceus L.
sowthistle, marsh
SONAU
Compositae
Sonchus
arvensis spp. uliginosus (Bieb.) Nyman
sowthistle, perennial
SONAR
Compositae
Sonchus
arvensis L.
sowthistle, spiny
SONAS
Compositae
Sonchus
asPer (L.) Hill
spanishneedles
BIDBI
Compositae
Bidens
bipinnata L.
spatterdock
NUPLM
Nymphaeaceae
Nuphar
luteum ssp. macroPhyllum (Small) E.O.Beal
spatterdock, Rocky Mountain
NUPLP
Nymphaeaceae
Nuphar
luteum ssp. polysepalum (Engelm.) E.O.Beal
spearmint
MENSP
Labiatae
Mentha
spicata L.
speedwell, birdseye
VERPE
Scrophulariaceae
Veronica
buxbaumii Tenore
speedwell, common
VEROF
Scrophulariaceae
Veronica
officinalis L.
speedwell, corn
VERAR
Scrophulariaceae
Veronica
arvensis L.
speedwell, field
VERAG
Scrophulariaceae
Veronica
agrestis L.
speedwell, germander
VERCH
Scrophulariaceae
Veronica
chamaedrys L.
speedwell, ivyleaf
VERHE
Scrophulariaceae
Veronica
hederifolia L.
speedwell, longleaf
VERLO
Scrophulariaceae
Veronica
longifolia L.
speedwell, Persian
VERPE
Scrophulariaceae
Veronica
persica Poir.
speedwell, purslane
VERPG
Scrophulariaceae
Veronica
peregrina L.
speedwell, slender
VERFI
Scrophulariaceae
Veronica
filiformis Sm.
speedwell, Snow
VERBI
Scrophulariaceae
Veronica
biloba L.
speedwell, thymeleaf
VERSE
Scrophulariaceae
Veronica
serpyllifolia L.
speedwell, water
VERAA
Scrophulariaceae
Veronica
anagallis-aquatica L.
speedwell, wayside
VERPO
Scrophulariaceae
Veronica
polita Fries
speedwell, western purslane
VERPX
Scrophulariaceae
Veronica
peregrina ssp. xalapensis (H.B.K.) Pennell
spicebush
LIESS
Lauraceae
Lindera
sp.
spiderflower
CLEHA
Capparidaceae
Cleome
hassleriana Chodat
spiderlily, red
LYRRA
Amaryllidaceae
Lycoris
radiata (L'Her.) Herb.
spiderling, Coulter
BOECO
Nyctaginaceae
Boerhavia
coulteri (Hook. f.) S.Wats.
spiderling, erect
BOEER
Nyctaginaceae
Boerhavia
erecta L.
spiderling red
BOEDI
Nyctaginaceae
Boerhavia
diffusa L.
spiderwort, common
TRAOH
Commelinaceae
Tradescantia
ohiensis Raf.
spiderwort, tropical
COMBE
Commelinaceae
Commelina
benghalensis L.
spiderwort, white flowered
TRAFL
Commelinaceae
Tradescantia
fluminensis Vell.
spikerush
ELOSS
Cyperaceae
Eleocharis
sp.
spikerush, beaked
ELORO
Cyperaceae
Eleocharis
rostellata Torr.
spikerush, blunt
ELOOB
Cyperaceae
Eleocharis
obtusa (Willd.) Schultes
spikerush, creeping
ELOPA
Cyperaceae
Eleocharis
palustris (L.) R. & S.
spikerush, dwarf
ELOPV
Cyperaceae
Eleocharis
parvula (R. & S.) Link ex Buff, Nees & Sauer
spikerush, gulfcoast
ELOCE
Cyperaceae
Eleocharis
cellulosa Torr.
spikerush, needle
ELOAC
Cyperaceae
Eleocharis
acicularis (L.) R. & S.
spikerush, slender
ELOBA
Cyperaceae
Eleocharis
baldwinii (Torr.) Chapman
spikerush, sprouting
ELOVI
Cyperaceae
Eleocharis
vivipara Link
spikerush, squarestem
ELOQU
Cyperaceae
Eleocharis
quadrangulata (Michx.) R. & S.
spikeweed, common
HEZPU
Compositae
Hemizonia
pungens (Hook. & Arn.) T. & G.
spoonflower
PETSA
Araceae
Peltandra
sagittifolia (Michx.) Morong
sprangletop
LEFSS
Gramineae
Leptochloa
sp.
sprangletop, Amazon
LEFPA
Gramineae
Leptochloa
panicoides (Presl) Hitchc.
sprangletop, bearded
LEFFA
Gramineae
Leptochloa
fascicularis (Lam.) Gray
sprangletop, Chinese
LEFCH
Gramineae
Leptochloa
chinensis (L.) Nees
sprangletop, green
LEFDU
Gramineae
Leptochloa
dubia (H.B.K.) Nees
sprangletop, Mexican
LEFUN
Gramineae
Leptochloa
uninervia (Presl) Hitchc. & Chase
sprangletop, red
LEFFI
Gramineae
Leptochloa
filiformis (Lam.) Beauv.
spring beauty, broadleaf
CLACA
Portulacaceae
Claytonia
caroliniana Michx.
spring beauty, narrowleaf
CLAVI
Portulacaceae
Claytonia
virginica L.
spruce, white
PIEGA
Pinaceae
Picea
glauca (Moench) Voss
spurge
EPHSS
Euphorbiaceae
Euphorbia
sp.
spurge, creeping
EPHSN
Euphorbiaceae
Euphorbia
serpens H.B.K.
spurge, cypress
EPHCY
Euphorbiaceae
Euphorbia
cyparissias L.
spurge, flowering
EPHCO
Euphorbiaceae
Euphorbia
corollata L.
spurge, garden
EPHHI
Euphorbiaceae
Euphorbia
hirta L.
spurge, graceful
EPHHY
Euphorbiaceae
Euphorbia
indica Lam.
spurge, ground
EPHPT
Euphorbiaceae
Euphorbia
prostrata Ait.
spurge, hairy
EPHVE
Euphorbiaceae
Euphorbia
vermiculata Raf.
spurge, hyssop
EPHHS
Euphorbiaceae
Euphorbia
hyssopifolia L.
spurge, leafy
EPHES
Euphorbiaceae
Euphorbia
esula L.
spurge, littleleaf
EPHMI
Euphorbiaceae
Euphorbia
micromera Boiss. ex Engelm.
spurge, netseed
EPHSQ
Euphorbiaceae
Euphorbia
spathulata Lam.
spurge, nodding
EPHNU
Euphorbiaceae
Euphorbia
nutans Lag.
spurge, petty
EPHPE
Euphorbiaceae
Euphorbia
peplus L.
spurge, prostrate
EPHHT
Euphorbiaceae
Euphorbia
humistrata Engelm. ex Gray
spurge, ridgeseed
EPHGL
Euphorbiaceae
Euphorbia
glyptosperma Engelm.
spurge, spotted
EPHMA
Euphorbiaceae
Euphorbia
maculata L.
spurge, sun
EPHHE
Euphorbiaceae
Euphorbia
helioscopia L.
spurge, toothed
EPHDE
Euphorbiaceae
Euphorbia
dentata Michx.
spurge, toothed
EPHSR
Euphorbiaceae
Euphorbia
serrata L.
spurge, whitemargin
EPHAL
Euphorbiaceae
Euphorbia
albomarginata T. & G.
spurry, corn
SPRAR
Caryophyllaceae
Spergula
arvensis L.
spurry, umbrella
HLOUM
Caryophyllaceae
Holosteum
umbellatum L.
squirreltail
SITHY
Gramineae
Sitanion
hystrix (Nutt.) J.G.Smith
St.Augustine grass, common
STPSE
Gramineae
Stenotaphrum
americanum Schrank
St.Johnswort, common
HYPPE
Hypericaceae
Hypericum
perforatum L.
St.Johnswort, golden
HYPFR
Hypericaceae
Hypericum
frondosum Michx.
St.Johnswort, Irish
HYPCD
Guttiferae
Hypericum
canadense L.
St.Johnswort, marsh
HYPVI
Hypericaceae
Hypericum
viginicum L.
St.Johnswort, spotted
HYPPU
Hypericaceae
Hypericum
punctatum Lam.
star of Bethlehem
OTGUM
Liliaceae
Ornithogalum
umbellatum L.
star of Bethlehem, nodding
OTGNU
Liliaceae
Ornithogalum
nutans L.
starbur, bristly
ACNHI
Compositae
Acanthospermum
hispidum DC.
starbur, Paraguay
ACNAU
Compositae
Acanthospermum
australe (Loefl.) Ktze.
star-flower
TNTBO
Primulaceae
Trientalis
borealis Raf.
stargrass
FINFI
Cyperaceae
Ficinia
filiformis (Lam.) Schrad.
starthistle
CENSS
Compositae
Centaurea
sp.
starthistle, Iberian
CENIB
Compositae
Centaurea
iberica Trev. ex Spreng.
starthistle, Malta
CENME
Compositae
Centaurea
melitensis L.
starthistle, purple
CENCA
Compositae
Centaurea
calcitrapa L.
starthistle, yellow
CENSO
Compositae
Centaurea
solstitialis L.
starwort, Easterbell
STEHO
Caryophyllaceae
Stellaria
holostea L.
starwort, little
STEGR
Caryophyllaceae
Stellaria
graminea L.
starwort, water
MYTAQ
Caryophyllaceae
Myosoton
aquaticum (L.) Moench
stickleaf, desert
MNZMU
Loasaceae
Mentzelia
multiflora (Nutt.) Gray
stickleaf, tenpetal
MNZDE
Loasaceae
Mentzelia
decapetala (Pursh) Urban & Gilg.
stickleaf, whitestem
MNZAL
Loasaceae
Mentzelia
albicaulis (Dougl. ex Hook.) T. & G.
stickseed, western
HACFL
Boraginaceae
Hackelia
floribunda (Lehm.) I.M.Johnst.
sticktight, European
LPLSQ
Boraginaceae
Lappula
echinata Gilib.
sticktight, western
LPLOC
Boraginaceae
Lappula
occidentalis (S.Wats.) Greene
stinkgrass
ERAME
Gramineae
Eragrostis
major Host
stinkweed
PLUCA
Compositae
Pluchea
camphorata (L.) DC.
stock, common
MTLIN
Cruciferae
Matthiola
incana (L.) R.Br.
stock, evening
MTLLB
Cruciferae
Matthiola
bicornis (Sibth. & Sm.) DC.
stock, Malcolm
MAMAF
Cruciferae
Malcolmia
africana (L.) R.Br.
stonecrop, live forever
SEDTE
Crassulaceae
Sedum
telephium L.
stonecrop, mossy
SEDAC
Crassulaceae
Sedum
acre L.
stonecrop, two row
SEDSU
Crassulaceae
Sedum
spurium Bieb.
strawberry, wild
FRAVI
Rosaceae
Fragaria
virginiana Duchesne
sugarcane, wild
SACSP
Gramineae
Saccharum
spontaneum L.
sumac
RHUSS
Anacardiaceae
Rhus
sp.
sumac, dwarf
RHUCO
Anacardiaceae
Rhus
copallina L.
sumac, laurel
RHULU
Anacardiaceae
Rhus
laurina Nutt.
sumac, poison
TOXVX
Anacardiaceae
Toxicodendron
vernix (L.) O.Kuntze
sumac, prairie
RHULA
Anacardiaceae
Rhus
lanceolata (Gray) Britt.
sumac, shining
RHUCH
Anacardiaceae
Rhus
copallina L.
sumac, smooth
RHUGL
Anacardiaceae
Rhus
glabra L.
sumac, staghorn
RHUTY
Anacardiaceae
Rhus
typhina L.
sumac, sugar
RHUOV
Anacardiaceae
Rhus
ovata S.Wats.
summergrass
DIGSA
Gramineae
Digitaria
fimbriata Link
sumpweed, poverty
IVAAX
Compositae
Iva
axillaris Pursh
sumpweed, rough
IVACI
Compositae
Iva
ciliata Willd.
sundrops, perennial
OEOPE
Onagraceae
Oenothera
perennis L.
sunflower (volunteer)
HELAN
Compositae
Helianthus
annuus L.
sunflower, bright
HELLA
Compositae
Helianthus
laetiflorus Pers.
sunflower, common
HELAN
Compositae
Helianthus
annuus L.
sunflower, Maximilian
HELMA
Compositae
Helianthus
maximilianii Schrad.
sunflower, prairie
HELPE
Compositae
Helianthus
petiolaris Nutt.
sunflower, stiff
HELRI
Compositae
Helianthus
rigidus (Cass.) Desf.
supplejack, Alabama
BEHSC
Rhamnaceae
Berchemia
scandens (Hill) K.Koch
swainsonpea
SWASA
Leguminosae
Swainsonia
salsula (Pall.) DC.
swallowwort, black
CYKNI
Asclepiadaceae
Cynanchum
nigrum (L.) Pers.
swallowwort, white
CYKVI
Asclepiadaceae
Cynanchum
vincetoxicum (L.) Pers.
sweetclover
MEUSS
Leguminosae
Melilotus
sp.
sweetclover, Indian
MEUIN
Leguminosae
Melilotus
indica (L.) All.
sweetclover, tall yellow
MEUAT
Leguminosae
Melilotus
altissima Thuill.
sweetclover, white
MEUAL
Leguminosae
Melilotus
alba Medicus
sweetclover, yellow
MEUOF
Leguminosae
Melilotus
officinalis (L.) Lam.
sweetfern
COVPE
Myricaceae
Comptonia
peregrina (L.) L.Coult.
sweetflag
ACSCA
Araceae
Acorus
calamus L.
sweetgum
LIQST
Hamamelidaceae
Liquidambar
styraciflua L.
sweetroot, spreading
OMRCH
Umbelliferae
Osmorhiza
chilensis H. & A.
swinecress
COPSQ
Cruciferae
Coronopus
procumbens Gilbert
swordfern, common
NEHEX
Dryopteridaceae
Nephrolepis
exaltata (L.) Schott.
sycamore, common
ACRPP
Aceraceae
Acer
pseudoplatanus L.

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