The Exploitation and Utilization of Lycophyte and Fern Resources in Xishuangbanna, Yunnan Phylogeny and Classification of the Extant Lycophytes and Ferns from China Evolution of the eastern Asian–North American biogeographic disjunctions in ferns and lycophytes Advances in the studies of lycophytes and monilophytes with reference to systematic arrangement of families distributed in China The Exploitation and Utilization of Lycophyte and Fern Resources in Xishuangbanna, Yunnan A Comparison of Major Classifications of Chinese Lycophytes and Ferns