Li, L; Han-Xing Liang; Hua Peng; Li-Gong Lei (2003). Sporogenesis and gametogenesis in Sladenia and their systematic implication. Botanical Journal of the Linnean Society. Linnean Society of London. 143 (3): 305—314. doi:10.1046/j.1095-8339.2003.00237.x.
Anderberg, A. A.; Rydin, C.; Kallersjo, M. (2002). Phylogenetic relationships in the order ericales s.l.: Analyses of molecular data from five genes from the plastid and mitochondrial genomes. American Journal of Botany. Botanical Society of America. 89 (4): 677—687. doi:10.3732/ajb.89.4.677. PMID21665668.
Anderberg, A. A.; Rydin, C.; Kallersjo, M. (2002). Phylogenetic relationships in the order ericales s.l.: Analyses of molecular data from five genes from the plastid and mitochondrial genomes. American Journal of Botany. Botanical Society of America. 89 (4): 677—687. doi:10.3732/ajb.89.4.677. PMID21665668.