Schneider, H., He, L., Hennequin, S., & Zhang, X.-C. (2013). Towards a natural classification of Pteridaceae: inferring the relationships of enigmatic pteridoid fern species occurring in the Sino-Himalaya and Afro-Madagascar. Phytotaxa, 77(4), 49–60. https://doi.org/10.11646/phytotaxa.77.4.1