FILIGHEDDU, R., FARRIS, E., PISANU, S., URBANI, M. and SUSANNA, A. (2014) “Validation of the name <em>Centaurea </em>×forsythiana Levier (Asteraceae)”, Phytotaxa, 166(4), pp. 297–300. doi: 10.11646/phytotaxa.166.4.6.