↑ Nickrent, D. L.; Blarer, A.; Qiu, Y.-L.; Soltis, D. E.; Soltis, P. S.; Zanis, M. (2002), “Molecular data place Hydnoraceae with Aristolochiaceae”, American Journal of Botany 89 (11): 1809–17, PMID21665609, doi:10.3732/ajb.89.11.1809
↑ The Angiosperm Phylogeny Group (2016), “An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV”, Botanical Journal of the Linnean Society 181: 1–10, doi:10.1111/boj.12385
