Searching for species that I havent observed at Research-Grade level

there’s some related discussion here: https://forum.inaturalist.org/t/how-can-see-species-i-havent-observed-in-a-specific-region/61466, and maybe here, too: https://forum.inaturalist.org/t/compare-lists-to-see-what-i-should-look-for/60472/8.