Ziffer-Berger, J.; Hanin, N.; Fogel, T.; Mummenhoff, K.; Barazani, O. Molecular Phylogeny Indicates Polyphyly in Raphanus L. (Brassicaceae). Edinburgh J. Bot. 2014, 72 (1), 1-11. https://doi.org/10.1017/S0960428614000286.