Template:Shu, Gu et al., 2022
- Shu, J.P., Gu, Y.-F., Ou, Z.-G., Shao, W., Yang, J., Lu, Q.-Y., Zhang, X.-C., Liu, B.-D., Wang, R.J., Yan, Y.H. 2022. Two new tetraploid quillwort species, Isoëtes longpingii and I. xiangfei from China (Isoëtaceae). Guihaia 42(10): 1623–1631. DOI: 10.11931/guihaia.gxzw202112045
