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