BioStor
 | The Enumeratio and Selectarum of Nicolaus Von Jacquin R A Howard (1973) Journal of the Arnold Arboretum 54: 435-470 |
 | New species of Cyclanthera (Cucurbitaceae) from Mexico and Central America C E Jones and D M Kearns (1994) Novon 4: 373-380 |
 | A Synopsis of the Genus Echinopepon (Cucurbitaceae: Sicyeae), Including Three New Taxa Alex K Monro and Peter J Stafford (1998) Annals of the Missouri Botanical Garden 85: 257-272 |