I'm no expert on this and my interest has purely been from doing a home filter setup in an NYC apartment and trying to figure out what the best practices are, but my understanding is plants can also be impacted through uptake but there isn't too much evidence it's resulting in higher levels outside of known PFAS hotspots.
The FDA suggests that the primary issue at least in the US right now is seafood[1].
[1] https://www.fda.gov/food/process-contaminants-food/questions...