| African mustard |
Brassica tournefortii |
2 |
| branched broomrape |
Orobanche ramosa |
3 |
| Canada thistle stem gall fly |
Urophora cardui |
1 |
| Chinese wisteria |
Wisteria sinensis |
1 |
| giant hogweed |
Heracleum mantegazzianum |
1 |
| herbicides (general) |
|
1 |
| kudzu |
Pueraria montana var. lobata |
2 |
| nodding broomrape |
Orobanche cernua |
1 |
| norflurazon |
|
1 |
| purple witchweed |
Striga hermonthica |
2 |
| ragwort seed fly |
Botanophila seneciella |
1 |
| rush skeletonweed root moth |
Bradyrrhoa gilveolella |
1 |
| Scottish broom seed weevil |
Exapion fuscirostre |
21 |
| stem-boring weevil |
Mecinus janthinus |
19 |
| swamp milkweed |
Asclepias incarnata |
2 |
| witchweed |
Striga spp. |
8 |