Invasive Plants or Trees

In this issue: Check in on AI and its capacity to provide accurate and specific advice. Register for the spring session of our "The Woods in Your Backyard" course. Learn about a new national refuge in southern Maryland and about one couple's work on their natural areas. Read about Sugar Maple in our "Native Trees of Maryland" feature and about incised fumewort in our "Invasives in Your Woodland" feature. And more!

The term “Incised fumewort” may not be familiar to many readers of this column, as this plant is a relatively new arrival to North America. It was first identified in the US only in 2005. Since then, new populations have been identified in Pennsylvania, Maryland, District of Columbia, Virginia, North Carolina, and as far west as Tennessee and Illinois.

Paula Whyman ʼ87 and her husband bought 200 acres on a peak in the Blue Ridge Mountains, where she undertook the daunting task of clearing invasive plants and encouraging native plant life on this long gone-to-seed cow pasture and orchard—an experiment she's written about in her new book, “Bad Naturalist: One Woman's Ecological Education on a Wild Virginia Mountaintop.”

Since its debut as a regular Branching Out feature in 2016, "Invasives in Your Woodland" has profiled a wide variety of invasive plant species that threated the health of Maryland's ecosystems.

Regular readers of this feature will note that the vast majority of species highlighted here are not native to North America. This issue, however, looks at a Osage-orange, a species that is both native to North America and that has been introduced to new environments in such numbers that it is considered invasive in many areas.

In the News and Notes roundup for this issue: The tree nurseries in Maryland & Virginia are now taking orders for spring planting projects; the Old Growth Forest Network has a new site; the Virginia Department of Conservation and Recreation has new species on its invasives roster; and the growth of food forests may help both ecosystems and people.

In this issue: Read about the how new and old can make a positive mix, and the importance of conserving existing forest buffers. Our two popular online courses return for the fall. Our "Native Trees of Maryland" looks at the red maple, and "Invasives in Your Woodlands" looks at Japanese hop. And don't forget the 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. 

Canada Thistle is also known as creeping thistle, as well as green or perennial thistle, depending on the source. Others express their opinion about it by calling it hard thistle and cursed thistle. Canada thistle is an aggressive and colonial perennial, with both male and female plants. It is considered a noxious weed in Maryland and many other areas across the U.S.