First personal record of each species by Adrian Alexandro Oszust (lifers)
Species by Date 1 to 3 of 3
| Group | Species | Place | Date | Detail | |
 | Plantas | (Drosera brevifolia) | Ruta 14 Santo tomé, Corrientes, Argentina | 09/03/2023 |  |
| | Aves | Hepatic Tanager (Piranga flava) | Ruta 14 Santo tomé, Corrientes, Argentina | 12/19/2021 | |
| | Plantas | Parodia Schumanniana (Parodia claviceps) | Ruta 14 (cerca de campo Viera), Misiones, Argentina | 01/10/2018 | |
Species by Date 1 to 3 of 3