BioStor
 | A new Gymnocoronis from Mexico S F Blake (1923) Proceedings of The Biological Society of Washington 36: 179-180 |
 | Studies in the Eupatorieae (Asteraceae)---CXXVII. Additions to the American and Pacific Adenostemmatinae: Adenostemma, Gymnocoronis, and Sciadocephala R M King and H Robinson (1974) Phytologia 29: 1-20 |
 | Studies in the Eupatorieae (Asteraceae)---CXXXIV. A new species of Sciadocephala from Panama R M King and H Robinson (1975) Phytologia 29: 343-346 |
 | Chromosome Numbers in Compositae. XIII. Eupatorieae Robert M King, Donald W Kyhos et al. (1976) Annals of the Missouri Botanical Garden 63: 862-888 |
 | An index to epithets treated by King and Robinson: Eupatorieae (Asteraceae) M J Warnock (1987) Phytologia 62: 345-431 |