Passalacqua, N. G., Tundis, R., & Upson, T. M. (2017).

A new species of Lavandula sect. Lavandula (Lamiaceae) and review of species boundaries in Lavandula angustifolia

. Phytotaxa, 292(2), 161–170. https://doi.org/10.11646/phytotaxa.292.2.3