Species:
Cirsium vulgare
Common Name:
bull thistle
Systems Affected (standardized):
cropland/pastureland, rangeland, riparian/aquatic, disturbed/waste areas, forest/woodland
Regions(s) present (updated by AB):
PH, NE, NW
Impacts:
can form dense thickets, displacing other vegetation. The spiny nature of the plant renders it unpalatable to wildlife and livestock and reduces the forage potential of pastures.
Source? likely to be reintroduced:
It is possible that C. vulgare spreads to new areas as a result of accidental transportation of contaminated agricultural produce such as crop seeds or fodder, or deliberate introduction of cypselas as ornamental plants
Info Blurb:
Can form dense thickets, displacing other vegetation. Reduces the forage potential of pastures. Can spread to new areas via contaminated agricultural products.
Native Regions in OK:
NONE
Current and past designations:
KS, NM, OKPS, TX
Present in OK?
Yes
Present in Bordering States?
TX, NM, CO, KS, MO, LA
Has Legal Status in BS?
AR NW, CO List B, NM Class B