For Sambucus
Backlund & Bittrich. 2016. In Kadereit, J.W., and V. Bittrich. 2016. The families and genera of flowering plants. XIV. Flowering plants – Eudicots – Aquifoliales, Boraginales, Bruniales, Dipsacales, Escalloniales, Garryales, Paracryphiales, Solanales (except Convolvulaceae), Icacinaceae, Metteniusaceae, Vahliaceae. Springer, Berlin. 412 pp.
Bolli, R. 1994. Revision of the genus Sambucus. Dissertationes Botanicae 223. J. Cramer, Berlin. 227 pp.
Ferguson, I.K. 1966a. The genera of Caprifoliaceae in the southeastern United States. J. Arnold Arb. 47: 33-59.
Tucker, Seigler, & Ebinger. [in prep.]. Sambucus.
Cite as...