Choo, Thereis Y. S.; Escapa, Ignacio H. Assessing the evolutionary history of the fern family Dipteridaceae (Gleicheniales) by incorporating both extant and extinct members in a combined phylogenetic study. American Journal of Botany. 2018, 105 (8): 1–14. PMID 30091784. doi:10.1002/ajb2.1121.
Choo, Thereis Y. S.; Escapa, Ignacio H. Assessing the evolutionary history of the fern family Dipteridaceae (Gleicheniales) by incorporating both extant and extinct members in a combined phylogenetic study. American Journal of Botany. 2018, 105 (8): 1–14. PMID 30091784. doi:10.1002/ajb2.1121.