CHEN Gui-Ren,WANG Shi-Jun,TIAN Bao-Lin. Anatomical Structures of “Lepidodendron” pulchrum Zhang in Coal_balls from the Taiyuan Formation (Lower Lower Permian) in Shandong Province, North China[J]. J Integr Plant Biol, 2003, 45(1): 15-22.
CHEN Gui-Ren,WANG Shi-Jun,TIAN Bao-Lin. Anatomical Structures of “Lepidodendron” pulchrum Zhang in Coal_balls from the Taiyuan Formation (Lower Lower Permian) in Shandong Province, North China[J]. J Integr Plant Biol, 2003, 45(1): 15-22.