VUE and PlantFactory (as well as PlantCatalog exporter) now support exporting plants, cameras, skies, materials and Ecosystems to USD format. All 3 apps also offers an export preset for nVidia's Omniverse tools. As USD continues to develop as a file format, we will add more and more features to USD export.
Learn more about PlantFactory, PlantCatalog and VUE at http://info.e-onsoftware.com.