Douglas, N.A. &, P.S. Manos (2007). "Molecular phylogeny of Nyctaginaceae: Taxonomy, biogeography, and characters associated with a radiation of xerophytic genera in North America". American Journal of Botany. 94 (5): 859. doi:10.3732/ajb.94.5.856. PMID21636455.
nih.gov
pubmed.ncbi.nlm.nih.gov
Douglas, N.A. &, P.S. Manos (2007). "Molecular phylogeny of Nyctaginaceae: Taxonomy, biogeography, and characters associated with a radiation of xerophytic genera in North America". American Journal of Botany. 94 (5): 859. doi:10.3732/ajb.94.5.856. PMID21636455.