(Airdate: February 1, 2023) Beach grasses, once widely planted to keep sand dunes from human plans for such things as roads and residences, have become invaders, pushing out native species. Listen as Nan Evans explores dune ecosystems and the role of dune grasses with Dr. Rebecca Mostow. What’s more, learn about Dr. Mostow’s work characterizing a strange new hybrid species of dune grass that raises unanswered questions about ecological beach and dune systems.