Oakland County Parks is a founding member of the Oakland County CISMA. The OC CISMA is a collaborative group of 44 townships, park services, non-profit organizations and other allied partners focused on minimizing the impacts and controlling invasive species in Oakland County.

In 2022, OC CISMA transitioned to Oakland County Parks as its new fiduciary and financial backer. OC CISMA has been able to increase its impact on natural resources and improve biodiversity across the county by providing staff, resource development and invasive species treatments to members and local communities through Community Habitat Improvement Projects (CHIPs) grant program. This collaboration among Oakland County organizations and specific grant projects is also funded by the Michigan DNR through the Michigan Invasive Species Grant Program (MISGP). Funds from MISGP are used to implement a strategic plan for integrated detection, prevention and control of invasive plants throughout Oakland County, including spotted lanternfly, Phragmites, swallow-wort, knotweed and flowering rush.

OC CISMA also provides assistance to local residents directly by providing technical help, coordination with contractors, hosting events and distributing educational materials available on the OC CISMA webpage. 

More statewide information can be found at: http://www.michiganinvasives.org/occisma/

Invasive Plant Removal Work Planned

The Road Commission for Oakland County and numerous local governments, working in conjunction with the Oakland County Cooperative Invasive Species Management Area, will treat the invasive plant varieties knotweed and Phragmites along major Oakland County road right-of-way areas through October 2026.

The work is part of an ongoing effort to manage invasive plant species, prevent infrastructure damage and maintain safe roadways.

View the map of the primary, local and rural roads slated for treatment in the following communities: Addison, Bloomfield, Brandon, Commerce, Groveland, Highland, Holly, Independence, Lyon, Milford, Oakland, Orion, Oxford, Rose, Springfield, Waterford, West Bloomfield and White Lake townships; and Auburn Hills, Beverly Hills, Bingham Farms, Birmingham, Bloomfield Hills, Clarkston, Farmington, Farmington Hills, Franklin, Holly, Lake Angelus, Lake Orion, Lathrup Village, Leonard, Madison Heights, Novi, Novi Township, Orchard Lake Village, Ortonville, Pontiac, Rochester, Rochester Hills, South Lyon, Southfield, Troy, Walled Lake, Wixom and Wolverine Lake. 

Crews will use approved treatment methods to eliminate the invasive species in accordance with Michigan Department of Environment, Great Lakes and Energy procedures. Residents and motorists are asked to use caution when traveling through work areas and to not enter treated areas until the spray has completely dried.

Property owners are also reminded not to plant or dispose of invasive species in any right-of-way areas along roadways and to report any that they observe causing driving hazards to the RCOC.

• View the road treatment map

Additional Resource

• CISMA 2026 Brochure