], is a fast spreading understory grass that forms dense stands in deciduous forests. The leaf sheaths and stems are noticeably hairy. point; bright yellow-green; hairy along edges and with edges ruffled or
It often occurs with Japanese stiltgrass. P. (Oplismenus hirtellus spp. Its flat leaf blades are about one-half to one inch wide and 1.5 to 4 inches long, have elongated pointed tips and are rippled. Basketgrass is the common name of a species of Oplismenus, a weed commonly found in shady lawns and landscapes.It is also known as woodsgrass, jewgrass and wavyleaf basketgrass. Left: Japanese stiltgrass, center: wavyleaf basketgrass, right: small carpet grass. What is Basketgrass? It is a low growing, shallow rooted, short lived perennial. I accessed extension.umd.edu/hgic and how to control is not explained except for the following notation, P/D and POST E after description of the invasive … 2021. For more information about Wavyleaf basketgrass’ distribution, please check out EDDMapS. It is also known as woodsgrass, jewgrass and wavyleaf basketgrass. Stay alert and let us know if you find any wavyleaf basketgrass in the state! Maryland has become ground zero for a new invasive species threat, wavyleaf basketgrass. Small carpetgrass can be easily hand weeded, although for large infestations, chemical control with 2% glyphosate applied carefully by backpack sprayer is effective. undulatifolius). Both species, and others, can … Early Detection & Distribution Mapping System. The grass spreads quickly by stolons and seed. Spikelet flowers. wavyleaf basketgrass: USDA PLANTS Symbol: OPHIU2 U.S. Nativity: Exotic Habit: Grass or Grasslike Oplismenus hirtellus ssp. Image 5389750 is of wavyleaf basketgrass (Oplismenus undulatifolius ) foliage. Photo by K. L. Kyde. Wavyleaf basketgrass was first discovered in Maryland in 1996 in Patapsco Valley State Park, near Baltimore MD. In the United States, wavyleaf basketgrass has been re - ported as invasive in Hawaii, Pennsylvania, Virginia, and West Virginia. Wavyleaf basketgrass . Wavyleaf basketgrass was first discovered in Maryland in 1996 and has since been found in several counties in Maryland and Virginia. The Maryland populations are still small, though spreading, and the grass can be removed successfully either by hand-weeding or by treating with 1-2% glyphosate, according to the work done so far in Little Paint Branch Park. Left: Japanese stiltgrass, center: wavyleaf basketgrass, right: small carpet grass. REC, Lower Eastern Shore
Please cite the EDDMapS as: EDDMapS. DNR and its partners are working to reduce this spread by controlling the invader in newly discovered locations. Invasive Exotic Plant Factsheet, Wavyleaf basketgrass (Oplismenus hirtellus ssp. My property and area around it is gradually being affected. It was developed by the University of Georgia's Center for Invasive Species and Ecosystem Health. Lifecycle: Invasive* shallow rooted perennial grassGrowth habit: develops elongated stolons (stems) that root at the nodes (where growth occurs) along the ground. & Schult. Japanese stiltgrass Flowers & Seeds, Photo by Leslie J. Mehrhoff, University of Connecticut, Bugwood.org, Deer tongue Flowers and Seeds, photo by Tom Potterfield Flickr CC BY-NC-SA 2.0, Call toll-free in *Maryland* at 1-877-620-8DNR (8367), Left to Right: Japanese stiltgrass, wavyleaf basketgrass, small carpetgrass (or hairy joint grass), Mid-Atlantic Early Detection Network (MAEDN), Early Detection and Distribution Mapping System (EDDMapS). WHAT IS WAVYLEAF BASKETGRASS? When it blooms, from mid-September to November, the WB was first discovered in the U.S. inPatapsco Valley State Park, Howard County, MD, … It grows in dense patches in wooded natural areas preventing the growth of native plants and trees. Image 5389750 is of wavyleaf basketgrass (Oplismenus undulatifolius ) foliage. Beauv. Invasive Wavyleaf Basketgrass Oplismenus hirtellus... Musings on Invasive Species - Chapter 2: "April Sh... Invasive plants - A Weed by any other Name is stil... Aug 2012 (6) Jul 2012 (4) Jun 2012 (1) May 2012 (3) Apr 2012 (6) Mar 2012 (5) Feb 2012 (3) It is capable of quickly outcompeting native plants to become the dominate understory species. undulatifolius (Ard.) View the map of wavyleaf basketgrass sightings. Can grow to 18". Check out our 2016 NISAW fact sheet for more information! Wavyleaf Basketgrass, or Oplismenus hirtellus undulatifolius. Many species of Oplismenus grow in Central Florida and Oplismenus setarius is a native perennial while Oplismenus hirtellus is an introduced exotic.. Beauv. We have confirmed a new invasive plant in Okaloosa County. Learn to recognize this grass and help other people learn it. It is by Kerrie L. Kyde at Maryland Department of Natural Resources. Invasive plant Information. in Little Paint Branch Park in Prince George's County, MD Up to 4" long, dark bluish-green, with distinct ripples like unfolded pleats across width of the blade and long tapering tip; leaf base touches the stem, but does not clasp it, sheaths of leaves fuzzy, Plants perennial; Overall plant height usually under 18"; branching from base with long, trailing stems (stolons) that root at nodes. Oct 22, 2011 at 9:44 PM . Website developed by The University of Georgia - Center for Invasive Species and Ecosystem Health and the National Park Service in cooperation with the Invasive Plant Atlas of New England, Invasive Plant Control, Inc., USDA Forest Service, Bloom period begins in late August; fruiting continues into early October; small branched clusters of seeds at the ends of upright or reclining stems. Wavyleaf Basketgrass (Oplismenus undulatifolius), an introduced subspecies of native basketgrass, has spread to cover thousands of acres of public and private land in Maryland and Virginia since its initial discovery in Patapsco Valley State Park in the 1990s.In 2016, a contractor with the county removed a single plant found in Donaldson Run Park. Invasive Plants in Pennsylvania Wavyleaf Basketgrass Oplismenus hirtellus spp. undulatifolius). undulatifolius). Noticeably hairy with white hairs 1/8" long. 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. undulatifolius) is a newly discovered subspecies found in the United States which has established invasive populations in Maryland and Virginia. WAVYLEAF GRASS OR WAVYLEAF BASKETGRASS Menaces Forests, Hitchhikes on Animals and People Wavyleaf grass, shown here in Shenandoah National Park, aggressively colo-nizes shady, moist sites and can obliterate wildflowers, ferns, and tree saplings in its steadily advancing path. Back to Invasive Plant Photos and Information, Wavyleaf Basketgrass (Oplismenus hirtellus spp. Wavyleaf basketgrass may be a very good candidate for Early Detection – Rapid Response. USDA Animal and Plant Health Inspection Service. WLBG is similar in appearance to Japanese stiltgrass [Microstegium vimineum (Trin.) Wavyleaf basketgrass [Oplismenus undulatifolius (Ard.) Wayleaf basketgrass foliagePhoto: Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.orgReproduction: Seed. An EDRR species is an invasive plant that is not widespread in a particular area and may be able to be eradicated. wavyleaf basketgrass PAUN3: Panicum undulatifolium Ard. the closest relative of Wavyleaf basketgrass, has only a few hairs if any on the leaf sheaths and stems. Many species of Oplismenus grow in Central Florida and Oplismenus setarius is a native perennial while Oplismenus hirtellus is an introduced exotic. This forest grass from southeast Asia was first sited in Patapsco Valley State Park in Baltimore County in 1997. Invasive: Wavyleaf Basketgrass Wavyleaf basketgrass (Oplismenus undulatifolius) is a low-lying, trailing perennial grass that is less than one foot tall. Invasive plant Information. Undulatifolius Description: The leaf blades are flat, dark green, about 0.5 inches wide and 1.5 to four inches long, with rippling waves across the blade. NPS Photo - Jake Hughes. It has been recorded in the coastal plain, piedmont and montane regions. Understanding the mechanisms by which an invasive plant species is able to colonize and successfully expand into native plant communities can help in estimating the potential threat posed by a new invader and predict impacts on community diversity, structure, and function. It spreads rapidly over the forest floor decreasing plant diversity and providing very little to no value for wildlife. Plants annual; can grow to 3' tall, but often bend to the ground and root at nodes; stems smooth, hairs when present only at the tops of the leaf sheaths. This patch was large and well established, about 20 feet square. A new invasive plant has arrived in Carroll County, wavyleaf basketgrass (Oplismenus hirtellus ssp. The seeds are easily moved around by people and animals because they are sticky and adhere to shoes, clothing, tires, animal fur, and paws. undulatifolius). It has since spread through Maryland and Virginia, showing many of the qualities of a successful and damaging invasive species. undulatifolius) Wavyleaf basketgrass is an exotic, invasive grass that was first found in Maryland in 1997, including parts of Patapsco State Park. Fun fact: Wavyleaf basketgrass is similar in appearance to another, far more common invasive: Japanese stiltgrass. By By Jill Rosen and The Baltimore Sun. It is not known whether this species is invasive in other countries. Small carpetgrass can be easily hand weeded, although for large infestations, chemical control with 2% glyphosate applied carefully by backpack sprayer is effective. Roem. wavy but no pleats across the face of the blade; leaves clasp the stem, Annuals up to 2' but generally under 1' tall, branched, often bending over and rooting at the nodes, sparsely hairy, Open broomlike cluster of seeds closely spaced along "fingers. The Culprit This fearsome, invasive grass may be the worst of the worst. Report infestations to the national mapping project through the. Camus], an introduced annual grass which also invades forest understories throughout the eastern U.S. An EDRR species is an invasive plant that is not widespread in a particular area and may be able to be eradicated. Wavyleaf grows low to the ground and spreads across the forest floor displacing native plant species completely or nearly so. Wavyleaf basketgrass is a rapidly spreading invasive plant which invades forest understories. Leaf blade up to about 2" long; tapering to a blunt
Bloom period begins in mid-July and fruiting continues well into November. The University of Georgia - Center for Invasive Species and Ecosystem Health. Wavyleaf basketgrass (Oplismenus hirtellus ssp. NPS Photo - Jake Hughes. REC, Western Maryland
Undulatifolius Description: The leaf blades are flat, dark green, about 0.5 inches wide and 1.5 to four inches long, with rippling waves across the blade. Remove it from your property. We embody the University's land-grant mission with a commitment to eliminate hunger, preserve our natural resources, improve quality of life, and empower the next generation through world-class education. This Asian grass was first discovered growing in small patches in Patapsco Valley State Park in the 1990s. & Schult. Some species known or suspected to be harmful are uncommon enough that Park-wide control or even eradication-the elimination of all individuals-may be the goal of management. Wavyleaf basketgrass . Wavyleaf basketgrass (WB), which is an introduced sub-species of native basketgrass [O. hirtellus (L.) P. A new invasive plant has arrived in Carroll County, wavyleaf basketgrass (Oplismenus hirtellus ssp. It establishes patchy to dense, carpeting populations quickly and is believed to … States where wavyleaf basketgrass occurs. Wavyleaf Basketgrass was first found in Maryland in 1996 and quickly spread into Virginia and Pennsylvania. Oplismenus undulatifolius, commonly known as wavyleaf basketgrass, is a species of perennial grass from the family Poaceae that is native to Eurasia, specifically Southern Europe through Southern Asia. Wavyleaf basketgrass is a rapidly spreading invasive plant which invades forest understories. Wavyleaf invasions can lead to altered habitats, a loss of biodiversity and a reduction in pollinator populations. It is adapted to forest understory, where it creates dense continuous carpets, outcompetes other ground-layer species, and suppresses shrub and tree seedlings. Wavyleaf Basketgrass (Oplismenus undulatifolius), an introduced subspecies of native basketgrass, has spread to cover thousands of acres of public and private land in Maryland and Virginia since its initial discovery in Patapsco Valley State Park in the 1990s.In 2016, a contractor with the county removed a single plant found in Donaldson Run Park. However, the leaves of Japanese stiltgrass have a The leaf sheaths and stems are noticeably hairy. Basketgrass is the common name of a species of Oplismenus, a weed commonly found in shady lawns and landscapes. Wavyleaf invasions can lead to altered habitats, a loss of biodiversity and a reduction in pollinator populations. Your dog can pick up the seeds too. ", May be 6 or more inches long, dark green, sheaths noticeably hairy, but leaf blades smooth, 0.5" to 1.5" wide; leaf sheaths constricted at top and leaf blades appear to clasp the stem, Substantial perennial plant up to 4' tall, with thick underground stems (rhizomes). 2012. Roem. The grass spreads quickly by … Scientists don’t know how it arrived here, but within a decade, it had spread to cover thousands of acres on public and private land in both Maryland and Virginia, the only two states where it has been documented. The plant here was about a foot high. in Little Paint Branch Park in Prince George's County, MD 8/13/2018: Wavyleaf Basketgrass. Delicate, airy, open-branched panicles at the ends of the stems, giving the appearance of miniature Christmas trees in overall shape . It is by Kerrie L. Kyde at Maryland Department of Natural Resources. Seed spikeletPhoto: Garrett Waugaman, M-NCPPC Weed Warriors, Bugwood.org, Dense patch of wavyleaf basketgrassPhoto: 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, Garrett Waugaman, M-NCPPC Weed Warriors, Bugwood.org, Kerrie L. Kyde, Maryland Department of Natural Resources, Bugwood.org. Wavyleaf basketgrass is an exotic, invasive grass that was first found in Maryland in 1997, including parts of Patapsco State Park. Wavyleaf basketgrass (WB), which is an introduced sub-species of native basketgrass [O. hirtellus(L.) P. They can be told apart easily if you look closely. Wavyleaf basketgrass was first discovered in Maryland in 1996 and has since been found in several counties in Maryland and Virginia. Symbol Scientific Name Other Common Names; OPUN: Oplismenus undulatifolius (Ard.) When it blooms, from mid-September to November, the INVASIVE PLANT ALERT Wavyleaf Grass (Oplismenus undulatifolius) Threat Wavyleaf grass has become a widespread and aggressive invasive species in Virginia. REC, Glyphosate (Roundup®) Information and Alternatives for Weed Management, The Maryland Department of Natural Resources. This invasive is very shade tolerant. It grows in dense patches in wooded natural areas preventing the growth of native plants and trees. It is capable of quickly outcompeting native plants to become the dominate understory species. Ecologists believe that wavyleaf basketgrass could become even more widespread and damaging than Japanese stiltgrass, with which it shares habitats. Weed Risk Assessment. ], is a fast spreading understory grass that forms dense stands in deciduous forests. WHAT IS WAVYLEAF BASKETGRASS? You can help by reporting any place you see it using the Mid-Atlantic Early Detection Network (MAEDN) mobile app. Wavyleaf Basketgrass A New Forest Invader in Maryland This Asian grass was first discovered growing in small patches in Patapsco Valley State Park in the 1990s. U. Scholz It originates from Southern Europe and Southeast Asia. National Park Service. wavyleaf basketgrass: U.S. Nativity: Exotic Habit: Grass or Grasslike Oplismenus undulatifolius (Ard.) In 2012, the U.S. Department Some species known or suspected to be harmful are uncommon enough that Park-wide control or even eradication-the elimination of all individuals-may be the goal of management. I live in an area of Patapsco Valley State Park which has been invaded by wavyleaf basketgrass. The species invades temperate environments and is typically found in full canopy hardwood forests, forest margins and shady riparian zones. What is Wavyleaf Basketgrass? Invasive Plants in Pennsylvania Wavyleaf Basketgrass Oplismenus hirtellus spp. Hairy stems. DO NOT walk through patches of the grass during the fall, when the awns are sticky and you can carry the seed with you by mistake and spread the grass. It has weak roots and can easily be pulled out by hand, or it can be treated with an appropriate herbicide. Central Maryland
Wavyleaf basketgrass and Japanese stiltgrass often grow together in the same moist mixed hardwood forests. For more information about Wavyleaf basketgrass’ distribution, please check out EDDMapS. Beauv.] U.S. National Early Detection and Rapid Response System for Invasive Plants; The Global Invasive Species Database, ISSG, ICUN. Seeds mature in late September through frost. Wavyleaf basketgrass was confirmed in Delaware in White Clay Creek State Park along the Bryan’s Field Trail last week and the colony was promptly removed. Photo by K. L. Kyde. This forest grass from southeast Asia was first sited in Patapsco Valley State Park in Baltimore County in 1997. Flowers occur at the ends of branches, about 4" branched panicles; feathery white stigmas (pollen-receiving organs) clearly visible; seeds occur in 3-5 pairs of spikelets; each armed with a 1/2" awn or bristle that becomes sticky in the fall, facilitating long-distance dispersal. 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