@xris While I haven't investigated it thoroughly, it's a fun place to go down rabbit-holes. I jumped in with a search for Cyperus and immediately turned up this description of data about feral hogs and Yellow Nutsedge on a Georgia sea island:
https://datadryad.org/dataset/doi:10.5061/dryad.168pg
Cool? Cyperus esculentus is the perfect species for feral hogs to spread, of course, so it makes perfect sense.
