グンネラ科
Botanical Journal of the Linnean Society 141: 399–436. http://onlinelibrary.wiley.com/doi/10.1046/j.1095-8339.2003.t01-1-00158.x/pdf. (APG II。オープンアクセス)
The Angiosperm Phylogeny Group (2009). “An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III” (PDF). Botanical Journal of the Linnean Society 161 (2): 105-121. http://onlinelibrary.wiley.com/doi/10.1111/j.1095-8339.2009.00996.x/pdf. (APG III。オープンアクセス)