|Tiny spikelets of Oplismenus undulatifolus|
The insidious invader first came to light in 1996, in Patapsco State Park in Maryland, and by 2004 it had leapt into the next state and was discovered infesting a large area in Virginia's Shenandoah National Park. Efforts to eradicate it while it had a limited distribution began in earnest, but fifteen years later, it had spread to thousand of hectares in Maryland, Virginia, and even one spot in Pennsylvania.
|The distinctive wavy leaves of O.undulatifolius|
|Stigma of Wavyleaf Basketgrass|