Paleocene Wuyun Flora in Northeast China： Ulmus furcinervis of Ulmaceae
FENG Guang_Ping, Albert G. A BLAEV, WANG Yu_Fei and LI Cheng_Sen
Paleocene Wuyun Flora in Northeast China： Ulmus furcinervis of Ulmaceae
FENG Guang_Ping, Albert G. A BLAEV, WANG Yu_Fei and LI Cheng_Sen
J Integr Plant Biol . 2003, (2): 146 -151 .