| Impact ID | 4247 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Phragmites australis is considered a primary weed of rice, corn, and cotton in Russia, sugarcane in Australia, and sugar beets in Zimbabwe and the Netherlands. |
| Reference | 28764 |
| Cost | |
| Location | |