We cored ten Amur Corktree specimens (nine on the Preserve at Vassar; one on the Arboretum) to estimate their ages. The collected data aided our investigation into the spread of this invasive species.
Invasive vines such as Oriental Bittersweet have proliferated across the Northeastern United States (Kurtz 2018). These vines wrap around and strangle trees, block sunlight from reaching the undercanopy, and hinder animal (including human) activity…