.i.Qasimia yunnanica./i. sp. nov., a marattialean fern with bivalvate synangia from the Lopingian of Southwest China

Guo, Y., Zhou, Y., Bek, J., Yang, S.-L., Feng, Z. Qasimia yunnanica sp. nov., a marattialean fern with bivalvate synangia from the Lopingian of Southwest China. Review of Palaeobotany and Palynology. 2021, 293(October 2021), 104497. ISSN 0034-6667. E-ISSN 1879-0615. Dostupné z: doi: 10.1016/j.revpalbo.2021.104497.