EditorialRazed glossy buckthorn, an invasive shrub that chokes native species, in Acadia National Park in Maine on May 14, 2021. (John Tully/The New York Times)
EditorialThosh Collins removes thorns from buckthorn cactus buds while his wife, Chelsey Luger, plays with their daughter Alo, 2, on the Salt River Pima-Maricopa Indian Community, a few miles from their home outside Scottsdale, Ariz., on April 5, 2020. (Caitlin O'Hara/The New York Times)