For Centunculus
Cholewa, A.F. 2009e. Anagallis. In Flora of North America Editorial Committee. 2009. Flora of North America north of Mexico. Volume 8, Magnoliophyta: Paeoniaceae to Ericaceae. Oxford Univ. Press, New York, NY. 585 pp. Google Scholar
Manns, U., and A. Anderberg. 2007. Relationships of Anagallis foemina and A. arvensis (Myrsinaceae): new insights inferred from DNA sequence data. Molec. Phylogenetics and Evol. 45: 971-980. Google Scholar
Yan, H.-F., C.-Y. Zhang, A.A. Anderberg, G. Hao, X.-J. Ge, and J.J. Wiens. 2018. What explains high plant richness in East Asia? Time and diversification in the tribe Lysimachieae (Primulaceae). New Phytologist 219: 436-448. Google Scholar