Talavera, Maria (December 2011). "Molecular phylogeny and systematics of the highly polymorphic Rumex bucephalophorus complex (Polygonaceae)". Molecular Phylogenetics and Evolution. 61 (3): 659–70. doi:10.1016/j.ympev.2011.08.005. PMID21864695.
Talavera, Maria (December 2011). "Molecular phylogeny and systematics of the highly polymorphic Rumex bucephalophorus complex (Polygonaceae)". Molecular Phylogenetics and Evolution. 61 (3): 659–70. doi:10.1016/j.ympev.2011.08.005. PMID21864695.