Zasoby i środowisko · 16/11/1994
U.S. Fish and Wildlife Service Reclassifies Virginia Round-Leaf Birch from Endangered to Threatened
The U.S. Fish and Wildlife Service has reclassified the Virginia round-leaf birch from endangered to threatened due to a significant increase in its population, with over 1,400 subadult trees now present, following the establishment of 20 additional populations over the past decade.