PRIORITY 1A

PRIORITY 1A weeds are not present in Montana or have a limited presence. Management criteria will require prevention, education, and eradication if detected.
 
Noxious Weed Species Common Name
Scientific Name
Dyer's Woad  Isatis tinctoria
Yellow Starthistle Centaurea solstitialis
Medusahead Taeniatherum caput-medusa
Common Reed\Phragmites Phragities australis