Oregon planted European beachgrass in 1910; it later reshaped the coast
In 1910, Oregon introduced European beachgrass to stabilise shifting dunes near Coos Bay. The plant succeeded but spread widely, covering much of the dune system and changing sand movement. As open, shifting habitats declined, native plants and animals adapted to moving dunes, including the endangered Western Snowy Plover, also lost important habitat.
We haven't written up this one. Times of India has the full story — the link below goes straight to it.