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, Syrian | Zygophyllum fabago | |
| Blueweed, Texas | Helianthus ciliaris | |
| Broom, French | Genista monspessulana | |
| Broom, Spanish | Spartium junceum | |
| Buffalobur | Solanum rostratum | |
| Clary, meadow | Salvia pratensis | |
| Clematis, oriental | Clematis orientalis | |
| Cordgrass, smooth (PDF) | Spartina alterniflora | |
| Cordgrass, common | Spartina anglica | |
| Cordgrass, salt meadow | Spartina patens | |
| Cordgrass, denseflower | Spartina densiflora | |
| Crupina, common | Crupina vulgaris | |
| False brome | Brachypodium sylvaticum | |
| Flax, spurge | Thymelaea passerina | |
| Floating primrose-willow | Ludwigia peploides | |
| Flowering rush | Butomus unbellatus | |
| Four o’ clock, wild | Mirabilis nyctaginea | |
| Hogweed, giant (PDF) | Heracleum mantegazzianum | |
| Hydrilla | Hydrilla verticillata | |
| Johnsongrass | Sorghum halepense | |
| Knapweed, bighead | Centaurea macrocephala | |
| Knapweed, Vochin | Centaurea nigrescens | |
| Kudzu | Pueraria montana var. lobata | |
| Mustard, garlic (PDF) | Alliaria petiolata | |
| Nightshade, silverleaf | Solanum elaeagnifolium | |
| Goatsrue | Galega officinalis | |
| Reed sweatgrass (PDF) | Gyceria maxima | |
| Ricefield bulrush | Schoenoplectus mucronatus | |
| Sage, clary | Salvia sclarea | |
| Sage, Mediterranean | Salvia aethiopis |
|
| South American spongeplant | Limnobium laevigatum | |
| Spurge, eggleaf | Euphorbia oblongata | |
| Starthistle, purple | Centaurea calcitrapa | |
| Thistle, Italian | Carduus pycnocephalus | |
| Thistle, milk | Silybum marianum | |
| Thistle, slenderflower | Carduus tenuiflorus |
|
| Thistle, turkish | Carduus cinereus | |
| Variable-leaf milfoil | Myriophyllum heterophyllum | |
| Woad, dyers | Isatis tinctoria | |