Morphological observations in H. centrochinensis YYH15442 (A, C, F, G, I) and H. fudzinoi SG1654 (B, D, H, J) A habitat C sorus position and flat lamina F type specimen (provided by National Plant Specimen Resource Center, http://www.cvh.ac.cn); and G, I spore and ornamentation in H. centrochinensis YYH15442 B habitat (taken by Hong-Jin Wei) D sorus position and flat lamina (taken by Hong-Jin Wei) H, J spore and ornamentation in H. fudzinoi SG1654 E rhizome scale, left: H. fudzinoi, right: H. centrochinensis.