Publications for:

pest = Cirsium vulgare (weed)
crop = Grasses/turf/rangeland

found 2 publications:

2014

Native insect herbivory limits population growth rate of a non-native thistle
Oecologia (2014) 175 (1), 129-138
publishers website - pestinfo wiki

2005

Quantifying the impact of a weed in a perennial ryegrass-white clover pasture
Weed Science (2005) 53 (1), 113-120
publishers website - pestinfo wiki