Department of Biology,Uni versity of North Carolina at Greensboro,Greensboro,NC 27402-6170 USA;
东北林业大学林学院,哈尔滨,150040;
Department of Biology,Uni versity of North Carolina at Greensboro,Greensboro,NC 27402-6170 USA;
东北林业大学林学院,哈尔滨,150040;
东北林业大学林学院,哈尔滨,150040;