|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