29933 - 2010 Invasive Exotic Plant Management

The EPMT intends to support and expand rather than replace existing park-based invasive plant management programs. With this in mind, the EPMT will attempt to provide the most safety-conscious, ecologically beneficial, and cost-effective solutions available. The strategies that we have developed were based on personal communication with Rodney Rovang, natural resource manger at Effigy Mounds National Monument, and an invasive plant survey.

We will hire a Conservation Corps team for 2x10-day periods to control garlic mustard (Alliaria petiolata) on the park during March and April. Team members will apply herbicide to control plants.


Park biological technicians will continue to control invasive woody plant species using hand pulling, brush cutters, and herbicide.
Japanese barberry (Berberis thunbergii)
Bush honeysuckle (Lonicera spp.)
Common buckthorn (Rhamnus cathartica)
Sericea lespedeza (Lespedeza cuneata)

Control plans are currently not recommended for selected invasive plant species for which: 1) strategies are not yet developed, 2) invasive tendency of plants is uncertain, 3) controls have not yet been researched, 4) controls are unknown, 5) controls are predicted to entail a high degree of damage to non-target plants, or 6) control requires restoration immediately following control.
Reed canarygrass (Phalaris arundinacea)

The Heartland Natural Resource Monitoring Program conducts monitoring at Effigy Mounds National Monument to detect new plant invasions and to estimate the abundance and extent of established invasive plants. Monitoring was conducted in 2006 and is scheduled again in 2011.

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