Comparative Studies on Gametophyte Morphology and Development of Four Species of Athyriaceae A NEW SPECIES OF CYSTOPTERIS (ATHYRIACEAE) FROM GUIZHOU Spore Morphology of Pseudocystopteris Ching Rediscovery of Cystoathyrium chinense Ching (Cystopteridaceae): phylogenetic placement of the critically endangered fern species endemic to China New Taxa of Athyriaceae from Hengduan Mountains, China RAPD analysis of the genetic diversity in Athyrium, Gymnocarpium and Cystopteris of Athyriaceae from Heilongjiang Province Gametophyte development of Acystopteris japonica and its systematic significance Study on the Spore Morphology of Cystopteris Bernh.in China Litter decomposition and lignocellulose enzyme activities of Actinothuidium hookeri and Cystopteris montana in alpine timberline ecotone of western Sichuan, China.