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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* |
| TAMAR2 |
Tamarix L. |
tamarisk, saltcedar |
CAT2 |
|
| CRVU2 |
Crupina vulgaris Cass. |
common crupina |
CAT3 |
L48 (I) |
| LYVI3 |
Lythrum virgatum L. |
purple loosestrife, lythrum |
CAT2 |
L48 (I) |
| MYSP2 |
Myriophyllum spicatum L. |
Eurasian watermilfoil |
CAT3 |
L48 (I), AK (I), CAN (I) |
| CIAR4 |
Cirsium arvense (L.) Scop. |
Canada thistle |
CAT1 |
L48 (I), AK (I), CAN (I), GL (I), SPM (I) |
| LIVU2 |
Linaria vulgaris Mill. |
yellow toadflax |
CAT1 |
L48 (I), AK (I), CAN (I), GL (I), SPM (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 |
|
| TAVU |
Tanacetum vulgare L. |
common tansy |
CAT1 |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
| ACRE3 |
Acroptilon repens (L.) DC. |
|
|
L48 (I), CAN (I) |
| CERE6 |
Centaurea repens L. |
Russian knapweed |
CAT1 |
|
| CADR |
Cardaria draba (L.) Desv. |
whitetop, hoary cress |
CAT1 |
L48 (I), CAN (I) |
| CEDI3 |
Centaurea diffusa Lam. |
diffuse knapweed |
CAT1 |
L48 (I), CAN (I) |
| CESO3 |
Centaurea solstitialis L. |
yellow starthistle |
CAT3 |
L48 (I), CAN (I) |
| CHJU |
Chondrilla juncea L. |
rush skeletonweed |
CAT3 |
L48 (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 |
|
| HIPI2 |
Hieracium piloselloides Vill. |
meadow hawkweed |
CAT2 |
L48 (I), CAN (I) |
| IRPS |
Iris pseudacorus L. |
yellow flag iris |
CAT3 |
L48 (I), CAN (I) |
| LELA2 |
Lepidium latifolium L. |
perennial pepperweed |
CAT2 |
L48 (I), CAN (I) |
| LIDA |
Linaria dalmatica (L.) Mill. |
Dalmatian toadflax |
CAT1 |
L48 (I), CAN (I) |
| PORE5 |
Potentilla recta L. |
sulfur cinquefoil, erect cinquefoil |
CAT1 |
L48 (I), CAN (I) |
| HIFL3 |
Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella] |
meadow hawkweed |
CAT2 |
L48 (I), CAN (I), SPM (I) |
| LYSA2 |
Lythrum salicaria L. |
purple loosestrife, lythrum |
CAT2 |
L48 (I), CAN (I), SPM (I) |
| SEJA |
Senecio jacobaea L. |
tansy ragwort |
CAT2 |
L48 (I), CAN (I), SPM (I) |
| ISTI |
Isatis tinctoria L. |
dyer's woad |
CAT2 |
L48 (I), CAN (W) |
| CESTM |
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek |
|
|
L48 (I), HI (I), CAN (I) |
| CEMA4 |
Centaurea maculosa auct. non Lam. |
spotted knapweed |
CAT1 |
|
| COAR4 |
Convolvulus arvensis L. |
field bindweed |
CAT1 |
L48 (I), HI (I), CAN (I) |
| HYPE |
Hypericum perforatum L. |
St. Johnswort |
CAT1 |
L48 (I), HI (I), CAN (I), SPM (I) |
| RAAC3 |
Ranunculus acris L. |
tall buttercup |
CAT2 |
L48 (NI), AK (I), CAN (I), GL (N?), 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 |
| NI |
Native and Introduced |
| W |
Waif |
| *Code | Native Status Jursdiction |
|---|
| 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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