Hello! Let me share you some asset packs that may be what you need for your brazilian-based project. Most of these are Brazil native, but some may be more general “latin america”.
- https://www.fab.com/listings/03b628b4-955a-447e-b25f-daffaf94327d this pack is for the rainforest, it may be extreme but you can extrapolate some assets from it for more “urban” areas.
- Low Poly | Bundle 32 - Brazilian Home & Garden Plants 3D Model this is brazilian home plants, perfect for a Rio de Janeiro looking project.
- https://www.cgtrader.com/3d-models/south-america this is the search result for south american vegetation that may yield good results for you
- https://www.turbosquid.com/Search/3D-Models/plant+tree+brazilian a couple of trees tipical of Brazil can be found here in turbosquid.
- Collection 07 - Central America Garden (3D Model) - 3DTree this is an asset pack for a central american garden that may help.
In general globeplants.com is a great resource for vegetation. I hope these helps!