Xiong, C., Li, Z.-L., Yang, Z.-M., Jiang, R.-H., & Huang, T. (2023).

Polystichum napoense (Dryopteridaceae), a new cave-dwelling fern species from Guangxi, China

. Phytotaxa, 601(1), 42–50. https://doi.org/10.11646/phytotaxa.601.1.2