Figueiredo, E. and Smith, G.F. 2018.

Centaurea francoi, a replacement name for Centaurea crocata (Asteraceae), an endemic species from continental Portugal

. Phytotaxa. 344, 1 (Mar. 2018), 99–100. DOI:https://doi.org/10.11646/phytotaxa.344.1.18.