Otero, A., Jiménez-Mejías, P., Valcárcel, V. & Vargas, P. (2014)

Molecular phylogenetics and morphology support two new genera (Memoremea and Nihon) of Boraginaceae s.s.

. Phytotaxa 173 (4): 241–277. https://doi.org/10.11646/phytotaxa.173.4.1