Depending on what sort of organisation you intend - you can make projects
https://www.inaturalist.org/projects/elephant-s-eye-on-false-bay
which are in the umbrella project
You can private message people for conversation. And there are threads here in the forum, which can run to HUNDREDS of comments.
Or skim this thread
https://forum.inaturalist.org/t/nature-inspired-comics/815
I enjoyed populating this map of Africa with interesting (or difficult to ID) obs
which has gaps compared to the Flora of Africa map
If you favourite interesting obs, they may bubble up to iNat’s obs of the day 