Weed Name
Bayer Code

Family

Genus

Species
rabbit-tobbaco
GNAOB
Compositae
Gnaphalium
polycephalum Michx.
rabbitbells
CVTRO
Leguminosae
Crotalaria
rotundifolia Gmel.
rabbitbrush
CYTSS
Compositae
Chrysothamnus
sp.
rabbitbrush, Douglas
CYTVI
Compositae
Chrysothamnus
viscidiflorus (Hook.) Nutt.
rabbitbrush, Parry
CYTPA
Compositae
Chrysothamnus
parryi (Gray) Greene
rabbitbrush, desert
CYTPN
Compositae
Chrysothamnus
paniculatus (Gray) Hall
rabbitbrush, gray
CYTNA
Compositae
Chrysothamnus
nauseosus (Pallas) Britt.
rabbitbrush, greenplume
CYTNG
Compositae
Chrysothamnus
nauseosus ssp. graveolens (Nutt.) Piper
rabbitbrush, southwest
CYTPU
Compositae
Chrysothamnus
pulchellus (Gray) Greene
rabbitfootgrass
POHMO
Gramineae
Alopecurus
monspeliensis (L.) Desf.
radish
RAPSN
Cruciferae
Raphanus
sativus L.
radish, wild
RAPRA
Cruciferae
Raphanus
raphanistrum L.
ragweed, blood
AMBTT
Compositae
Ambrosia
trifida var. texana Scheele
ragweed, common
AMBEL
Compositae
Ambrosia
artemisiifolia L.
ragweed, false
FRSST
Compositae
Ambrosia
tenuifolia Spreng.
ragweed, giant
AMBTR
Compositae
Ambrosia
trifida L.
ragweed, lanceleaf
AMBBI
Compositae
Ambrosia
bidentata Michx.
ragweed, parthenium
FRSCO
Compositae
Ambrosia
maritima auct., non L.
ragweed, perennial
AMBPC
Compositae
Ambrosia
psilostachya var. coronopifolia (T. & G.) Farw.
ragweed, western
AMBPS
Compositae
Ambrosia
psilostachya DC.
ragwort
SENSS
Compositae
Senecio
sp.
ragwort, tansy
SENJA
Compositae
Senecio
jacobaea L.
rape, bird
BRSRO
Cruciferae
Brassica
rapa L. ssp. oleifera (DC.) Metzg.
raspberry
RUBSS
Rosaceae
Rubus
sp.
raspberry, American red
RUBSG
Rosaceae
Rubus
idaeus var. strigosus (Michx.) Maxim.
raspberry, European red
RUBID
Rosaceae
Rubus
idaeus L.
raspberry, Molucca
RUBMO
Rosaceae
Rubus
moluccanus L.
rattle, yellow
RHIMI
Scrophulariaceae
Rhinanthus
minor L.
rattlebox
CVTSA
Leguminosae
Crotalaria
sagittalis L.
rattlebox, wedgeleaf
CVTRE
Leguminosae
Crotalaria
retusa L.
rattlebush
SEBPU
Leguminosae
Daubentonia
punicea (Cav.) DC.
rattlebush, Drummond
SEBDR
Leguminosae
Sesbania
drummondii (Rydb.) Cory
rattlesnakeweed
HIEVE
Compositae
Hieracium
venosum L.
ravennagrass
ERNRA
Gramineae
Erianthus
ravennae (L.) Beauv.
redbud, eastern
CCSCA
Fabaceae
Cercis
canadensis L.
redcedar, eastern
IUPVI
Cupressaceae
Juniperus
virginiana L.
redcedar, southern
IUPSL
Cupressaceae
Juniperus
silicicola (Small) Bailey
redroot
LAHTI
Haemodoraceae
Lachnanthes
tinctorum (Gmel.) Sprague
redstem
AMMAU
Lythraceae
Ammannia
auriculata Willd.
redtopgrass
AGSGI
Gramineae
Agrostis
alba L. var. stolonifera (L.) SM.
redvine
BRVCI
Polygonaceae
Brunnichia
cirrhosa Gaertn.
redweed
MEOCO
Sterculiaceae
Melochia
corchorifolia L.
reed, common
PHRCO
Gramineae
Phragmites
australis (Cav.) Trin. ex Steud.
reed, giant
ABKDO
Gramineae
Arundo
donax L.
reedgrass, bluejoint
CLMCD
Poaceae
Calamagrostis
canadensis (Michx.) Nutt.
rescuegrass
BROCA
Gramineae
Bromus
schraderi Kunth
rhodesgrass
CHRGA
Gramineae
Chloris
gayana Kunth
rhododendron, Canadian
RHOCA
Ericaceae
Rhododendron
canadense (L.) Torr.
rice, including red rice
ORYSA
Gramineae
Oryza
sativa L.
ricegrass
SPTAN
Gramineae
Spartina
anglica C.E.Hubb
rocket
many
Cruciferae
many
many
rocket, London
SSYIR
Cruciferae
Sisymbrium
irio L.
rocket, garden
ERUVE
Cruciferae
Eruca
vesicaria (L.) Cav. ssp. sativa (Mill.) Thell.
rocket, sand
DIPMU
Cruciferae
Diplotaxis
muralis (L.) DC.
rocket, wall
DIPTE
Cruciferae
Diplotaxis
tenuifolia (L.) DC.
rocket, yellow
BARVU
Cruciferae
Barbarea
vulgaris R. Br.
rockpurslane, desert
CLNCM
Portulacaceae
Calandrinia
ciliata (R.&P.) DC. var. menziesii (Hook.) Macbr.
rockpurslane, redmaids
CLNCM
Portulacaceae
Calandrinia
caulescens (R.&P.) DC. var. menziesii (Hook.) Macbr.
rose, Cherokee
ROSLA
Rosaceae
Rosa
laevigata Michx.
rose, Macartney
ROSBC
Rosaceae
Rosa
bracteata J.C.Wendl
rose, Scotch
ROSPP
Rosaceae
Rosa
pimpinellifolia L.
rose, Virginia
ROSVI
Rosaceae
Rosa
virginiana Mill.
rose, cinnamon
ROSMJ
Rosaceae
Rosa
majalis Herrm.
rose, dog
ROSCN
Rosaceae
Rosa
canina L.
rose, multiflora
ROSMU
Rosaceae
Rosa
multiflora Thunb. ex Murr.
rose, prairie wild
ROSAK
Rosaceae
Rosa
arkansana Porter
rose, prickly
ROSAC
Rosaceae
Rosa
acicularis Lindl.
rose, rugosa
ROSRG
Rosaceae
Rosa
rugosa Thunb.
rose, sweetbriar
ROSRB
Rosaceae
Rosa
rubiginosa L.
rosinweed
SIPSS
Compositae
Silphium
sp.
rosinweed, showy
SIPSP
Compositae
Silphium
asperrimum Hook.
rosinweed, wholeleaf
SIPIN
Compositae
Silphium
integrifolium Michx.
rubberweed, bitter
HYXOD
Compositae
Hymenoxys
odorata DC.
rue, African
PEGHA
Zygophyllaceae
Peganum
harmala L.
rue, common
RUAGR
Rutaceae
Ruta
graveolens L.
rush
IUNSS
Juncaceae
Juncus
sp.
rush (flowering)
IUNSS
Juncaceae
Juncus
sp.
rush, Baltic
IUNBA
Juncaceae
Juncus
balticus Willd.
rush, needle
IUNRO
Juncaceae
Juncus
roemerianus Scheele
rush, slender
IUNTE
Juncaceae
Juncus
tenuis Willd.
rush, soft
IUNEF
Juncaceae
Juncus
effusus L.
rush, toad
IUNBU
Juncaceae
Juncus
bufonius L.
rush, tufted
IUNAN
Juncaceae
Juncus
acuminatus Michx.
rustweed
POEPR
Loganiaceae
Polypremum
procumbens L.
rye (volunteer)
SECCE
Gramineae
Secale
cereale L.
ryegrass
LOLSS
Gramineae
Lolium
sp.
ryegrass, Italian
LOLMU
Gramineae
Lolium
multiflorum Lam.
ryegrass, hardy
LOLRE
Gramineae
Lolium
remotum L.
ryegrass, perennial
LOLPE
Gramineae
Lolium
perenne L.
ryegrass, poison
LOLTE
Gramineae
Lolium
temulentum L.
ryegrass, rigid
LOLRI
Gramineae
Lolium
rigidum Gaudin

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