Fan, X.-P., L. Zhang, X.-F. Gao, and L.-B. Zhang. “A Revision of the Hypodematium glabrum Complex (Pteridophyta: Hypodematiaceae) With the Description of Four New Species”. Phytotaxa, vol. 487, no. 2, Feb. 2021, pp. 114–124, doi:10.11646/phytotaxa.487.2.2.