Lu, N.T., Wei, H.-J., Vuong, L.D., Toan, L.C., Zhang, L.-B. & Zhang, L. (2023)

Cyrtomium calcis sp. nov. and six new records of the shield fern family (Dryopteridaceae) from Vietnam

. Phytotaxa 583 (1): 15–26. https://doi.org/10.11646/phytotaxa.583.1.2