Class A Weeds

Class A noxious weeds are those noxious weeds not native to the state that are of limited distribution or are unrecorded in the state and that pose a serious threat to the state. These weeds are a threat to all counties of the state and eradication is required.

Common Name
Scientific Name
Bean-caper, SyrianZygophyllum fabago
Blueweed, TexasHelianthus ciliaris
Broom, FrenchGenista monspessulana
Broom, SpanishSpartium junceum
BuffaloburSolanum rostratum
Clary, meadowSalvia pratensis
Clematis, orientalClematis orientalis
Cordgrass, smooth (PDF)Spartina alterniflora
Cordgrass, commonSpartina anglica
Cordgrass, salt meadowSpartina patens
Cordgrass, denseflowerSpartina densiflora
Crupina, commonCrupina vulgaris
False bromeBrachypodium sylvaticum
Flax, spurgeThymelaea passerina
Floating primrose-willowLudwigia peploides
Flowering rushButomus unbellatus
Four o' clock, wildMirabilis nyctaginea
Hogweed, giant (PDF)Heracleum mantegazzianum
HydrillaHydrilla verticillata
JohnsongrassSorghum halepense
Knapweed, bigheadCentaurea macrocephala
Knapweed, VochinCentaurea nigrescens
KudzuPueraria montana var. lobata
Mustard, garlic (PDF)Alliaria petiolata
Nightshade, silverleafSolanum elaeagnifolium
GoatsrueGalega officinalis
Reed sweatgrass (PDF)Gyceria maxima
Ricefield bulrushSchoenoplectus mucronatus
Sage, clarySalvia sclarea
Sage, MediterraneanSalvia aethiopis
Spurge, eggleafEuphorbia oblongata
Starthistle, purpleCentaurea calcitrapa
Thistle, ItalianCarduus pycnocephalus
Thistle, milkSilybum marianum
Thistle, slenderflowerCarduus tenuiflorus
Variable-leaf milfoilMyriophyllum heterophyllum
Woad, dyersIsatis tinctoria