| Report on the flora of western and southern Texas V Havard (1885) Proceedings of The United States National Museum 8: 449-533 | |
| Filogenia e Classificação de Iridaceae Peter Goldblatt (1990) Annals of the Missouri Botanical Garden 77: 607-627 | |
| Calydorea Herbert (Iridaceae-Tigridieae): Notes on this New World Genus and Reduction to Synonymy of Salpingostylis, Cardiostigma, Itysa, and Catila Peter Goldblatt and James E Henrich (1991) Annals of the Missouri Botanical Garden 78: 504-511 | |
| Systematics and Chromosome Cytology of Eleutherine Herbert (Iridaceae) Peter Goldblatt and Neil Snow (1991) Annals of the Missouri Botanical Garden 78: 942-949 |