![]() NPS photo Chinese Yam (Dioscorea oppositifolia) is a type of yam native to Myanmar (Burma), India, Sri Lanka, Bangladesh.
Impact:
Management: Park biologists are monitoring existing locations and are addressing new growth areas as they are detected. What Can You Do? As a devoted visitor to Gettysburg National Military Park, you can see the direct impact the Chinese Yam is having on your park. During the warm weather months, we host a series of Volunteer Work Days. Sign up for one or all of these to lend a hand! You have the opportunity to aid our staff to combat this invading species and perhaps slow or halt their march across our fields, our hills, our stone walls, our fences, or even around our monuments.
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Last updated: April 17, 2025