University of Maryland Extension

Wavyleaf Basketgrass

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Wavyleaf Basketgrass 
(Oplismenus hirtellus spp. undulatifolius)

wavyleaf basketgrass

Wavyleaf basketgrass is an exotic, invasive grass that was first found in Maryland in 1997, including parts of Patapsco State Park. It grows in dense patches in wooded natural areas preventing the growth of native plants and trees. The grass spreads quickly by stolons and seed. The seeds are easily moved around by people and animals because they are sticky and adhere to shoes, clothing, tires, animal fur, and paws. Stay out of areas and do not let dogs run in stands of wavyleaf basketgrass in late summer and fall to help prevent seed dispersal.

Lifecycle: Invasive* shallow rooted perennial grass
Growth habit: develops elongated stolons (stems) that root at the nodes (where growth occurs) along the ground. Can grow to 18". Hairy stems.

closeup wavy leaf basketgrass
Wayleaf basketgrass foliage
Photo: Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org

Reproduction: Seed. Spikelet flowers. Seeds mature in late September through frost. 

seed spike
Seed spikelet
Photo: Garrett Waugaman, M-NCPPC Weed Warriors, Bugwood.org

basketgrass covering the forest floor
Dense patch of wavyleaf basketgrass
Photo: Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org

Cultural control:  prevent going to seed; hand pulls easily--very little root; do not compost plants with seed heads

Additional Information

 

 

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