@bradleyallf started another great discussion on possible correlations here - definitely worth a read if you haven’t seen it! https://forum.inaturalist.org/t/what-predicts-your-states-inaturalist-participation-rate/60714
@dgwdoesthings has linked to some really awesome plant maps over there, too!
https://forum.inaturalist.org/t/what-predicts-your-states-inaturalist-participation-rate/60714/28