The concept of species and the Endangered Species Act Author Grierson K.W. Journal/Series Virginia Environmental Law Journal | Vol. 11(3); 463 - 493; 31 p. Date 1992 Source IUCN (ID: ANA-047305) Publisher | Place of publication University of Virginia School of Law | Charlottesville, VA, USA Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword Policy/planning Protection of habitats Endangered species Management/conservation Wild fauna Wild flora