Publications for:

pest = Amaranthus retroflexus (weed)
country = Switzerland

found 2 publications:

2008

Long-term weed community dynamics in Swiss organic and integrated farming systems
Weed Research (2008) 48 (4), 360-369
publishers website - pestinfo wiki

1999

Field surveys for insects associated with Amaranthus spp. (Amaranthaceae) in Switzerland and their suitability for biological control
Mitteilungen der Schweizerischen Entomologischen Gesellschaft (1999) 72 (3-4), 259-275
pestinfo wiki