Invasive Plants or Trees

A non-native nematode is causing beech leaf disease in native Maryland beech trees. This article offers advice on identifying BLD in local beech trees and what to do if you find evidence.

The News and Notes roundup for this issue notes that invasive plant species are affecting other countries as well as the U.S., notes that a vital program led by University of Maryland researchers will return to operation in space, shares information about watersheds and drinking water, and wonders if a new app will revolutionize forestry mapping.

In this issue: Help us learn more about our readers and subscribers by taking our short survey. Read about a potential ally in the fight against hemlock wooly adelgid, and how Marylanders can get a rebate for planting native trees. There's information about our spring session of "The Woods in Your Backyard" online course, plus our regular features: the "Woodland Wildlife Spotlight" looks at the American beaver and "Invasives in Your Woodlands" looks at Princess tree. And don't forget the events calendar and the Brain Tickler challenge.

The Princess Tree was imported from China in the 1800s and has become an aggressive, invasive plant in much of the mid-Atlantic and mid-South states.

There's news about our new website, as part of the University of Maryland Extension's rebranding efforts. There's also information about the Spotted Lanternfly and about the rebounding forestry industry in Maryland. Our regular features include profiles of the striped skunk in the "Woodland Wildlife Spotlight" and lesser celandine in "Invasives in Your Woodland," as well as our events calendar and the Brain Tickler challenge. Plus, tidbits you may have missed, in the News and Notes section.

The spotted lanternfly (SLF) is a colorful non-native, invasive pest native to Asia that was first detected in the United States in 2014 in Berks County, Pennsylvania. In addition to Pennsylvania, it has been confirmed in Maryland, Delaware, New Jersey, West Virginia, and Virginia. In Maryland, Cecil and Harford Counties are under a quarantine. The first instar hatch was recorded in Cecil County in May 2020.

Registration for the spring session of "The Woods in Your Backyard" online course is now open. Our Regular features include the Woodland Wildlife Spotlight, Invasives in Your Woodland, our events calendar, and the Brain Tickler challenge.

Read about a bunch of stuff I ain't writ yet. There's also the News and Notes summary about stories you might have missed, as well as our regular features the Woodland Wildlife Spotlight, Invasives in Your Woodland, and the Brain Tickler challenge. 

In this issue, we look at bull thistle. It's a widespread invasive found throughout Maryland, where it has been declared a noxious weed.

In this issue, we look at plumeless thistle, also known as "spiny plumeless thistle." Its presence in Maryland might be more widespread than some reports suggest.