"Wild parsnip (Pastinaca sativa L.) is a European biennial weed that has spread through many parts of North America and the world. Though it is often not classified as a noxious weed, it is generally considered a nuisance as it can dominate plant communities and displace beneficial forages. Wild parsnip and similar (Heracleum maximum) have been sporadically associated with photosensitization of livestock and humans (Walling and Walling, 2018; Kriazheva et al., 1991; Zobel and Brown, 1991; Montgomery et al., 1987)."