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NRCS Invasive Species Policy
Invasive Species Executive Order 13112
Montana State-listed Noxious Weeds
34 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 retain their noxious status, and are indented beneath the current PLANTS accepted name.
Montana Department of Agriculture. 2003.
Montana noxious weeds list
(24 May 2006).
Montana Department of Agriculture.
| Symbol |
Scientific Name |
Noxious Common Name |
State Noxious Status† |
Native Status* |
| CIAR4 |
Cirsium arvense (L.) Scop. |
Canada thistle |
CAT1 |
L48 (I), AK (I), CAN (I), GL (I), SPM (I) |
| CRVU2 |
Crupina vulgaris Cass. |
common crupina |
CAT3 |
L48 (I) |
| TAVU |
Tanacetum vulgare L. |
common tansy |
CAT1 |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
| LIDA |
Linaria dalmatica (L.) Mill. |
Dalmatian toadflax |
CAT1 |
L48 (I), CAN (I) |
| CEDI3 |
Centaurea diffusa Lam. |
diffuse knapweed |
CAT1 |
L48 (I), CAN (I) |
| ISTI |
Isatis tinctoria L. |
dyer's woad |
CAT2 |
L48 (I), CAN (W) |
| MYSP2 |
Myriophyllum spicatum L. |
Eurasian watermilfoil |
CAT3 |
L48 (I), AK (I), CAN (I) |
| COAR4 |
Convolvulus arvensis L. |
field bindweed |
CAT1 |
L48 (I), HI (I), CAN (I) |
| CYOF |
Cynoglossum officinale L. |
houndstongue |
CAT1 |
L48 (I), CAN (I) |
| EUES |
Euphorbia esula L. |
leafy spurge |
CAT1 |
L48 (I), CAN (I) |
| HICA10 |
Hieracium caespitosum Dumort. |
|
|
L48 (I), CAN (I) |
| HIPR |
Hieracium pratense Tausch |
meadow hawkweed |
CAT2 |
|
| HIFL3 |
Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella] |
meadow hawkweed |
CAT2 |
L48 (I), CAN (I), SPM (I) |
| HIPI2 |
Hieracium piloselloides Vill. |
meadow hawkweed |
CAT2 |
L48 (I), CAN (I) |
| HIAU |
Hieracium aurantiacum L. |
orange hawkweed |
CAT2 |
L48 (I), AK (I), CAN (I), SPM (I) |
| LEVU |
Leucanthemum vulgare Lam. |
|
|
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
| CHLE80 |
Chrysanthemum leucanthemum L. |
ox-eye daisy |
CAT1 |
|
| LELA2 |
Lepidium latifolium L. |
perennial pepperweed |
CAT2 |
L48 (I), CAN (I) |
| LYSA2 |
Lythrum salicaria L. |
purple loosestrife, lythrum |
CAT2 |
L48 (I), CAN (I), SPM (I) |
| LYVI3 |
Lythrum virgatum L. |
purple loosestrife, lythrum |
CAT2 |
L48 (I) |
| CHJU |
Chondrilla juncea L. |
rush skeletonweed |
CAT3 |
L48 (I), CAN (I) |
| ACRE3 |
Acroptilon repens (L.) DC. |
|
|
L48 (I), CAN (I) |
| CERE6 |
Centaurea repens L. |
Russian knapweed |
CAT1 |
|
| CESTM |
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek |
|
|
L48 (I), HI (I), CAN (I) |
| CEMA4 |
Centaurea maculosa auct. non Lam. |
spotted knapweed |
CAT1 |
|
| HYPE |
Hypericum perforatum L. |
St. Johnswort |
CAT1 |
L48 (I), HI (I), CAN (I), SPM (I) |
| PORE5 |
Potentilla recta L. |
sulfur cinquefoil, erect cinquefoil |
CAT1 |
L48 (I), CAN (I) |
| RAAC3 |
Ranunculus acris L. |
tall buttercup |
CAT2 |
L48 (NI), AK (I), CAN (I), GL (N?), SPM (I) |
| TAMAR2 |
Tamarix L. |
tamarisk, saltcedar |
CAT2 |
(I), L48 (I) |
| SEJA |
Senecio jacobaea L. |
tansy ragwort |
CAT2 |
L48 (I), CAN (I), SPM (I) |
| CADR |
Cardaria draba (L.) Desv. |
whitetop, hoary cress |
CAT1 |
L48 (I), CAN (I) |
| IRPS |
Iris pseudacorus L. |
yellow flag iris |
CAT3 |
L48 (I), CAN (I) |
| CESO3 |
Centaurea solstitialis L. |
yellow starthistle |
CAT3 |
L48 (I), CAN (I) |
| LIVU2 |
Linaria vulgaris Mill. |
yellow toadflax |
CAT1 |
L48 (I), AK (I), CAN (I), GL (I), SPM (I) |
| †Code | Noxious Status |
|---|
| CAT1 |
Category 1 noxious weed |
| CAT2 |
Category 2 noxious weed |
| CAT3 |
Category 3 noxious weed |
| *Code | Native Status |
|---|
| I |
Introduced |
| N? |
Probably Native |
| W |
Waif |
| *Code | Native Status Jursdiction |
|---|
|
None |
| L48 |
Lower 48 States |
| AK |
Alaska |
| HI |
Hawaii |
| CAN |
Canada |
| GL |
Greenland |
| SPM |
St. Pierre and Miquelon |
Additional information about noxious plants in this state can be found at:
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