grants from a 973 program of the Ministry of Science and Technology of China,the National Natural Science Foundation of China,the Key Laboratory of Biodiversity and Biogeography,Kunming Institute of Botany,Chinese Academy of Sciences
The microsoroid ferns make up a large group in the family Polypodiaceae, easily characterized by the combination of at least partly clathrate rhizome scales and anastomosing reticulate venation. The diversification of...