Han, M.-Q., Liu, Y. & Zhang, L.-B. (2018)

Eight new species of Polystichum (subg. Haplopolystichum; Dryopteridaceae) from limestone caves in Guangdong and Yunnan, China, with reference to species diversity in the karst terrains at high elevations in subtropical areas

. Phytotaxa 365 (2): 145–168. https://doi.org/10.11646/phytotaxa.365.2.3