FILIGHEDDU, ROSSELLA, EMMANUELE FARRIS, STEFANIA PISANU, MALVINA URBANI, and ALFONSO SUSANNA. 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.