Hermann, Frederick J Manual of the genus Corex in Mexico and Central America / by Frederick J Hermann - Washington, D : C :, :, Forest Service, Department of Agriculture, 1974 - 219 p. : ilus - Agriculture handbook ; 467 . LCCN: 167109 Subjects--Topical Terms: Ciperaceas I. t.Corex Fitogeografía Dewey Class. No.: 584.84 H47