Mateu, I. “Review of the Genus Phlomis L. (Labiatae) in the Iberian Peninsula and the Balearic Islands”. Acta Botanica Malacitana, vol. 11, Dec. 1986, pp. 177-04, https://doi.org/10.24310/Actabotanicaabmabm.v11i.9552.