‘Tis the Season to Fear Holly

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Contributor: Michael Ellis, M-MCPPC Park Ranger Office, Michael.Ellis@pgparks.com With winter weather and the holiday season here, Maryland’s deciduous forests have lost their leaves, leaving evergreens strikingly bright and colorful in otherwise dormant landscapes. However, some evergreen plants now found in Maryland may be non-native invasive species. Since hollies are a celebrated symbol of December and the […]

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Safeguarding American Agriculture – One State at a Time

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Contributor: Matthew A. Travis, State Plant Health Director MD/DC, USDA APHIS Every day, goods enter our country from all over the world. With these goods come non-native species that could be the next big invader. Few of us see the behind-the-scenes actions taken by agencies such as the US Department of Agriculture (USDA) to stop these […]

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Spotted Lanternfly and Tree of Heaven


Contributors: Shelley Brunelle | MDOT State Highway Administration, Office of Environmental Design, Consultant for Landscape Operations DivisionKimberly Rice | Maryland Department of Agriculture, Plant Protection & Weed Management Program Manager | DontBug.MD@maryland.gov ANNAPOLIS, MD (September 1, 2018) – Spotted lanternfly, Lycorma delicatula is an invasive plant-hopping insect that feeds on a wide variety of tree […]

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Nitrogen Fixer Fixin’ For Trouble

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Contact: Francis Smith, Maryland Department of Natural Resources- Forest Service | francis.smith@maryland.gov Leaf top and underside. James H. Miller, USDA Forest Service, Bugwood.org Berry clusters. Leslie J. Mehrhoff, University of Connecticut, Bugwood.org ANNAPOLIS MD (August 1, 2018) – Prolific seed production. Rapid re-sprouting. Highly adaptable. Three traits of a very successful plant, and also what makes autumn […]

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Stop the Hitchhikers: Clean Your Gear

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Contact: Jay Kilian, Maryland Department of Natural Resources, Resource Assessment Service | 410-260-8617 Zebra Mussel is an invasive species that has spread throughout much of North America as a hitchhiker attached to boat hulls, motors, and trailers. Although it is small, this species has big impacts on water quality, aquatic food webs, and industrial infrastructure […]

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Trapped Again? A New Species of Water Chestnut Discovered in the Potomac

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Trapa sp. 2-horned fruits. ANNAPOLIS, MD (June 1, 2018) – Eurasian water chestnut (Trapa natans) has been present in the United States since the latter half of the 19th century and is a well-known invasive species.  Once water chestnut shows up in a water body, it can quickly spread to cover large areas and, if […]

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Are invasive plants “bugging” you?

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Contact: Marc Imlay, Maryland-National Capital Park and Planning Commission | ialm@erols.com Adult black-legged tick (deer tick), Ixodes scapularis.Photo: Scott Bauer, USDA Agricultural Research ServiceWhat dangers may lurk in these invasive shrubs?Photo: Leslie J. Mehrhoff, University of Connecticut, Bugwood.orgANNAPOLIS, MD (May 1, 2018) – Many shrubs first introduced as desirable landscape species have been found to take over […]

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The cherry blossoms have arrived! Some good, some bad.

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Contact: Bud Reaves, Anne Arundel County | ipreav00@aacounty.org Flowers of the invasive sweet cherry, Prunus avium. Photo: Robert Vidéki, Doronicum Kft., Bugwood.orgANNAPOLIS, MD (April 3, 2018) – Every year in late March and early April, cherry trees burst forth into bloom in Maryland.  Some of the first to bloom in the spring, cherries are among the showiest flowers in […]

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This little piggy went to Maryland?

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Contact – Jonathan McNight, Maryland, DNR – Maryland Wildlife and Heritage Service | jonathan.mcknight@maryland.gov Photo: USDA APHIS Wildlife ServicesANNAPOLIS, MD (March 1, 2018) – In the last week of January 2018, one of a pair of free-ranging pigs (Sus scrofa) attacked and bit a citizen in Frederick County, Maryland.  The porcine perpetrator was subsequently killed by […]

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Not so Heavenly

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Contact: Colleen Kenny, Maryland DNR – Forest Service | colleen.kenny@maryland.gov Nandina domestica foliage and fruit. Photo: Leslie J. Mehrhoff, University of Connecticut, Bugwood.orgANNAPOLIS, MD (February 1, 2018) – As you walk through the woods this February, most plants will appear dormant, but heavenly bamboo (Nandina domestica) will be on full display. While often used as an […]

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