Van Valkenburg, J.L., Duistermaat, L. (H.), Boer, E. and Raaymakers, T.M. 2022. Myriophyllum rubricaule sp. nov., a M. aquaticum look-alike only known in cultivation. European Journal of Taxonomy. 828, 1 (Jul. 2022), 1-15. DOI:https://doi.org/10.5852/ejt.2022.828.1847.