| Impact ID | 5929 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Grasonville, MD P. australis was less desirable to the snail Littoraria irrorata potentially shifting its diet to Spartina alterniflora |
| Reference | 40895 |
| Cost | |
| Location | Grasonville, Maryland, United States |