Selaginella dianzhongensis X.C.Zhang, sp. nov. A individual B portion of plant C habit D dorsal leaf E ventral leaf F strobili G axillary leaf H proximal surface of megaspore I distal surface of megaspores J portion of megaspore surface enlarged to show infrastructural detail K distal surface of microspore L proximal surface of microspore M portion of microspore surface enlarged to show infrastructural detail surface (Taken from Yan-Mei Zhu 8158 (PE)).