BioStor
 | Ergebnisse der Forschungsreise E. Mohn 1956 nach El Salvador - Nr. 10. Gallmucken (Diptera, Itonididae) aus El Salvador 8. Teil: Lasiopteridi (1975) Stuttgarter Beiträge zur Naturkunde Serie A (Biologie) 276: 1-101 |
 | Leon Croizat's Plant Collections from the Franco-Venezuelan Expedition to the Headwaters of the Rio Orinoco Bruce K Holst and Carol A Todzia (1990) Annals of the Missouri Botanical Garden 77: 485-516 |
 | How Rich is the Flora of Brazilian Cerrados? A A J F Castro, F R Martins et al. (1999) Annals of the Missouri Botanical Garden 86: 192-224 |