Origin: Native
Notes: Taxonomy follows recent molecular studies:
Weigend, M., Federico Luebert, Marc Gottschling, Thomas L.P., Couvreur, Hartmut H. Hilger and James S. Miller. 2013. From capsules to nutlets—phylogenetic relationships in the Boraginales. Cladistics (2013) 1–11.
Nazaire, M., and L Hufford. 2012. A Broad Phylogenetic Analysis of Boraginaceae: Implications for the Relationships of Mertensia. Systematic Botany 37(3): pp. 758–783.
References: (none)