Votočková Frojdová, J.; Wang, J.; Pšenička, J.; Bek, J.; Opluštil, S.; Libertín, M. (2021). A new leptosporangiate fern Oligosporangiopteris zhongxiangii gen. and sp. nov. from the lowermost Permian of Inner Mongolia, China – morphology, anatomy and reproductive organs. Review of Palaeobotany and Palynology. 294: a104479.
A new leptosporangiate fern Oligosporangiopteris zhongxiangii gen. and sp. nov. from the lowermost Permian of Inner Mongolia, China – morphology, anatomy and reproductive organs