NRCS Invasive Species Policy
Invasive Species Executive Order 13112
Colorado State-listed Noxious Weeds
78 records returned
Click on an accepted name below to view its PLANTS Profile with more information, and
web links if available. Noxious weeds that are synonyms are indented beneath the current
PLANTS accepted name.
Plant Industry Division. 2003.
Rules pertaining to the administration and enforcement of the Colorado Noxious Weed Act
(23 January 2006).
Colorado Department of Agriculture.
Symbol |
Scientific Name |
Noxious Common Name |
State Weed Status† |
Native Status* |
ABTH |
Abutilon theophrasti Medik. |
velvetleaf |
CW |
L48 (I), CAN (I) |
ACRE3 |
Acroptilon repens (L.) DC. |
Russian knapweed |
BW |
L48 (I), CAN (I) |
AECY |
Aegilops cylindrica Host |
jointed goatgrass |
CW |
L48 (I) |
ALMA12 |
Alhagi maurorum Medik. |
|
|
L48 (I) |
ALPS3 |
Alhagi pseudalhagi (M. Bieb.) Desv. ex B. Keller & Schaparenko |
camelthorn |
AW |
|
ANCR2 |
Anoda cristata (L.) Schltdl. |
spurred anoda |
BW |
L48 (N), PR (N) |
ANAR6 |
Anthemis arvensis L. |
scentless chamomile |
BW |
L48 (I), HI (I), CAN (I) |
ANCO2 |
Anthemis cotula L. |
mayweed chamomile |
BW |
L48 (I), AK (I), HI (I), CAN (I) |
ARMI2 |
Arctium minus Bernh. |
common burdock |
CW |
L48 (I), CAN (I), SPM (I) |
ARAB3 |
Artemisia absinthium L. |
absinth wormwood |
BW |
L48 (I), CAN (I) |
BRTE |
Bromus tectorum L. |
downy brome |
CW |
L48 (I), AK (I), HI (I), CAN (I), GL (I) |
CADR |
Cardaria draba (L.) Desv. |
hoary cress |
BW |
L48 (I), CAN (I) |
CAAC |
Carduus acanthoides L. |
plumeless thistle |
BW |
L48 (I), CAN (I) |
CANU4 |
Carduus nutans L. |
musk thistle |
BW |
L48 (I), CAN (I) |
CACA19 |
Carum carvi L. |
wild caraway |
BW |
L48 (I), CAN (I), GL (I), SPM (I) |
CEDI3 |
Centaurea diffusa Lam. |
diffuse knapweed |
BW |
L48 (I), CAN (I) |
CENI3 |
Centaurea nigrescens Willd. |
|
|
L48 (I), CAN (I) |
CEPR2 |
Centaurea pratensis Thuill., nom. illeg., non Salisb. |
meadow knapweed |
AW |
|
CESO3 |
Centaurea solstitialis L. |
yellow starthistle |
AW |
L48 (I), CAN (I) |
CESTM |
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek |
|
|
L48 (I), HI (I), CAN (I) |
CEMA4 |
Centaurea maculosa auct. non Lam. |
spotted knapweed |
BW |
|
CEVI |
Centaurea virgata Lam. |
squarrose knapweed |
AW |
L48 (I) |
CHJU |
Chondrilla juncea L. |
rush skeletonweed |
AW |
L48 (I), CAN (I) |
CIIN |
Cichorium intybus L. |
chicory |
CW |
L48 (I), CAN (I), SPM (I) |
CIAR4 |
Cirsium arvense (L.) Scop. |
Canada thistle |
BW |
L48 (I), AK (I), CAN (I), GL (I), SPM (I) |
CIVU |
Cirsium vulgare (Savi) Ten. |
bull thistle |
BW |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
CLOR |
Clematis orientalis L. |
Chinese clematis |
BW |
L48 (I), CAN (I) |
COMA2 |
Conium maculatum L. |
poison hemlock |
CW |
L48 (I), CAN (I) |
COAR4 |
Convolvulus arvensis L. |
field bindweed |
CW |
L48 (I), HI (I), CAN (I) |
CRVU2 |
Crupina vulgaris Cass. |
common crupina |
AW |
L48 (I) |
CYOF |
Cynoglossum officinale L. |
houndstongue |
BW |
L48 (I), CAN (I) |
CYES |
Cyperus esculentus L. |
yellow nutsedge |
BW |
L48 (NI), AK (I), HI (I), PR (I), VI (I), CAN (I) |
DIFU2 |
Dipsacus fullonum L. |
common teasel |
BW |
L48 (I), CAN (I) |
DILA4 |
Dipsacus laciniatus L. |
cutleaf teasel |
BW |
L48 (I), CAN (I) |
ELAN |
Elaeagnus angustifolia L. |
Russian-olive |
BW |
L48 (I), CAN (I) |
ELRE4 |
Elymus repens (L.) Gould |
|
|
L48 (I), AK (I), CAN (I), GL (I), SPM (I) |
ELRE3 |
Elytrigia repens (L.) Desv. ex Nevski |
quackgrass |
BW |
|
ERCI6 |
Erodium cicutarium (L.) L'Hér. ex Aiton |
redstem filaree |
BW |
L48 (I), AK (I), HI (I), CAN (I), GL (I) |
EUCY2 |
Euphorbia cyparissias L. |
cypress spurge |
AW |
L48 (I), CAN (I) |
EUES |
Euphorbia esula L. |
leafy spurge |
BW |
L48 (I), CAN (I) |
EUMY2 |
Euphorbia myrsinites L. |
myrtle spurge |
AW |
L48 (I), CAN (I) |
HAGL |
Halogeton glomeratus (M. Bieb.) C.A. Mey. |
halogeton |
CW |
L48 (I) |
HEMA3 |
Hesperis matronalis L. |
dame's rocket |
BW |
L48 (I), AK (I), CAN (I) |
HITR |
Hibiscus trionum L. |
Venice mallow |
BW |
L48 (I), CAN (I) |
HIAU |
Hieracium aurantiacum L. |
orange hawkweed |
AW |
L48 (I), AK (I), CAN (I), SPM (I) |
HYVE3 |
Hydrilla verticillata (L. f.) Royle |
hydrilla |
AW |
L48 (I) |
HYNI |
Hyoscyamus niger L. |
black henbane |
BW |
L48 (I), CAN (I) |
HYPE |
Hypericum perforatum L. |
common St. Johnswort |
CW |
L48 (I), HI (I), CAN (I) |
ISTI |
Isatis tinctoria L. |
dyer's woad |
AW |
L48 (I), CAN (W) |
LELA2 |
Lepidium latifolium L. |
perennial pepperweed |
BW |
L48 (I), CAN (I) |
LECU |
Lespedeza cuneata (Dum. Cours.) G. Don |
sericea lespedeza |
AW |
L48 (I), HI (I), CAN (I?) |
LEVU |
Leucanthemum vulgare Lam. |
|
|
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
CHLE80 |
Chrysanthemum leucanthemum L. |
oxeye daisy |
BW |
|
LIDA |
Linaria dalmatica (L.) Mill. |
broad-leaved Dalmatian toadflax |
BW |
L48 (I), CAN (I) |
LIGE |
Linaria genistifolia (L.) Mill. |
narrow-leaved Dalmatian toadflax |
BW |
L48 (I) |
LYSA2 |
Lythrum salicaria L. |
purple loosestrife |
AW |
L48 (I), CAN (I), SPM (I) |
MYSP2 |
Myriophyllum spicatum L. |
Eurasian watermilfoil |
BW |
L48 (I), AK (I), CAN (I) |
ONAC |
Onopordum acanthium L. |
Scotch thistle |
BW |
L48 (I), CAN (W) |
ONTA |
Onopordum tauricum Willd. |
Scotch thistle |
BW |
L48 (I) |
PAMI2 |
Panicum miliaceum L. |
wild proso millet |
CW |
L48 (I), HI (I), PR (I), VI (I), CAN (I) |
PEHA |
Peganum harmala L. |
African rue |
AW |
L48 (I) |
PORE5 |
Potentilla recta L. |
sulfur cinquefoil |
BW |
L48 (I), CAN (I) |
SAAE |
Salvia aethiopis L. |
Mediterranean sage |
AW |
L48 (I) |
SAMO5 |
Salvinia molesta Mitchell |
giant salvinia |
AW |
L48 (I), HI (I) |
SAOF4 |
Saponaria officinalis L. |
bouncingbet |
BW |
L48 (I), CAN (I) |
SEJA |
Senecio jacobaea L. |
tansy ragwort |
AW |
L48 (I), CAN (I), SPM (I) |
SOAR2 |
Sonchus arvensis L. |
perennial sowthistle |
CW |
L48 (I), AK (I), CAN (I), SPM (I) |
SOHA |
Sorghum halepense (L.) Pers. |
johnsongrass |
CW |
L48 (I), HI (I), PR (I), CAN (I) |
TACA8 |
Taeniatherum caput-medusae (L.) Nevski |
medusahead rye |
AW |
L48 (I) |
TACH2 |
Tamarix chinensis Lour. |
salt cedar |
BW |
L48 (I) |
TAPA4 |
Tamarix parviflora DC. |
salt cedar |
BW |
L48 (I) |
TARA |
Tamarix ramosissima Ledeb. |
salt cedar |
BW |
L48 (I) |
TAVU |
Tanacetum vulgare L. |
common tansy |
BW |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
TRTE |
Tribulus terrestris L. |
puncturevine |
CW |
L48 (I), HI (I), CAN (W) |
TRPE21 |
Tripleurospermum perforatum (Mérat) M. Lainz |
|
|
L48 (I), AK (I), CAN (I), GL (I) |
MAPE2 |
Matricaria perforata Mérat |
scentless chamomile |
BW |
|
VEBL |
Verbascum blattaria L. |
moth mullein |
BW |
L48 (I), HI (I), CAN (I) |
VETH |
Verbascum thapsus L. |
common mullein |
CW |
L48 (I), AK (I), HI (I), CAN (I) |
†Code | Weed Status |
AW |
A list (noxious weeds) |
BW |
B list (noxious weeds) |
CW |
C list (noxious weeds) |
*Code | Native Status |
I |
Introduced |
I? |
Probably Introduced |
N |
Native |
NI |
Native and Introduced |
W |
Waif |
*Code | Native Location |
L48 |
Lower 48 States |
US02 |
Alaska |
US15 |
Hawaii |
US72 |
Puerto Rico |
US78 |
Virgin Islands |
CA |
Canada |
GL |
Greenland |
SB |
St. Pierre and Miquelon |
Additional information about noxious plants in this state can be found at:
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