Common Name

Scientific Name

Weed Symbol

African Rue

Peganum harmala

AR

Austrian fieldcress

Rorippa austriaca

AF

Austrian peaweed

Sphaerophysa salsula / Swainsona salsula

AP

Black henbane

Hyoscyamus niger

BH

Camelthorn

Alhagi camelorum

CT
Canada Thistle Cirsium arvense CAT
Carolina Horse-nettle Solanum carolinense CHN

Common crupina

Crupina vulgaris

CC
Dalmation Toadflax Linaria dalmatica DTF
Diffuse Knapweed Centaurea diffusa DFK

Dyer’s woad

Isatis tinctoria

DW

Eurasian water-milfoil

Myriophyllum spicatum

EWM
Giant  Salvinia Salvinia molesta  

Goats rue

Galega officinalis

GR
Green Fountain grass Pennisetum setaceum  

Hoary cress

Cardaria draba

HC

Houndstongue

Cynoglossum officinale

HT

Hydrilla

Hydrilla verticillata

HYD
Iberian Starthistle Centaurea iberica IST

Klamath weed

Hypericum perforatum

KW

Leafy spurge

Euphorbia esula

LS
Malta Starthistle Centaurea melitensis  

Mayweed chamomile

Anthemis cotula

MC

Mediterranean sage

Salvia aethiopis

MS

Medusahead

Taeniatherum caput-medusae

MH
Musk Thistle Carduus nutans MKT
Poison Hemlock Conium maculatum PNH

Puncture vine

Tribulus terrestris

PV

Purple loosestrife

Lythrum salicaria, L.virgatum and their cultivars

PL
Purple Starthistle Centaurea calcitrapa PST

Rush skeletonweed

Chondrilla juncea

RS
Russian Knapweed Acroptilon repens RSK

Saltcedar (tamarisk)

Tamarix ramosissima

TA
Scotch Thistle Onopordum acanthium SCT

Sorghum species, perennial, Including, but not limited to:
(a) Johnson grass; (b) Sorghum alum; and (c) Perennial sweet sudan

SOR
Sow Thistle Sonchus arvensis SWT
Spotted Knapweed Centaurea masculosa SPK
Squarrose Knapweed Centaurea virgata Lam. Var. squarrose SQK

Sulfur cinquefoil

Potentilla recta

SC
Syrian Bean Caper Zygophyllum fabago  

Tall Whitetop

Lepidium latifolium

TWT
Water Hemlock Cicuta maculata WRH
White Horse-nettle Solanum elaeagnifolium WHN
Yellow Starthistle Centaurea solstiltialis YST

Yellow Toadflax

Linaria vulgaris

YTF