Crescentia alata Kunth
| A distributional study of the amphibians of the Isthmus of Tehuantepec, Mexico W E Duellman (1960) University of Kansas Publications. Museum of Natural History 13: 19-72 | |
| Coevolutionary Patterns in Central American Bignoniaceae Alwyn H Gentry (1974) Annals of the Missouri Botanical Garden 61: 728-759 | |
| Studies in Neotropical Paleobotany. II. The Miocene Communities of Veracruz, Mexico Alan Graham (1976) Annals of the Missouri Botanical Garden 63: 787-842 | |
| New species and combinations in Mesoamerican Randia (Rubiaceae: Gardenieae) D H Lorence (1998) Novon 8: 247-251 | |
| Zea nicaraguensis (Poaceae), a new teosinte from Pacific coastal Nicaragua H H Iltis and B F Benz (2000) Novon 10: 382-390 |