Astuti, G., Roma-Marzio, F., & Peruzzi, L. (2015).

Astuti, G., Roma-Marzio, F. & Peruzzi, L. (2015) The genus Picris (Asteraceae) in southern Italy: contribution to its systematic knowledge. Phytotaxa 207 (1): 106–114.

. Phytotaxa, 213(3), 300–300. https://doi.org/10.11646/phytotaxa.213.3.11