[1]
Silveira, P.C., Gonçalves, A.C.R.D.S., Santos, C. and Paiva, J. 2013.

Two lectotypifications and a new combination in Calendula (Asteraceae) for Flora Iberica

. Phytotaxa. 145, 1 (Nov. 2013), 47–53. DOI:https://doi.org/10.11646/phytotaxa.145.1.5.