Moura, M., Silva, L., Dias, E.F., Schaefer, H. and Carine, M. 2015.

A revision of the genus Leontodon (Asteraceae) in the Azores based on morphological and molecular evidence

. Phytotaxa. 210, 1 (May 2015), 24–46. DOI:https://doi.org/10.11646/phytotaxa.210.1.4.