↑ Heine, H. (1963). "On the Correct Spelling of the Generic Name Schwenckia D. Van Royen ex L. (Solanaceae), with a Note about Martin Wilhelm Schwencke". Kew Bulletin . 16 (3): 465– 469. Bibcode : 1963KewBu..16..465H . doi : 10.2307/4114695 . JSTOR 4114695 .