Fruits - 2-3mm wide, 5-6mm long
No interactions present.
Looking at the leaves, right of picture, it might be Water Dropwort, Hemlock, Oenanthe crocata. Looks like it might be growing in a watery environment such as a ditch or stream for example. If so then Hemlock more likely. But not enough detail to go on in this pic.
Lat/Lng: 50.302, -4.8015
OS grid ref: SX005484