这里有更多的图片，跟我看到的是一摸一样的

https://extension.umd.edu/resource/poison-hemlock-identification-and-management/

https://www.ars.usda.gov/pacific-west-area/logan-ut/poisonous-plant-research/docs/poison-hemlock-conium-maculatum/

https://kingcounty.gov/en/dept/dnrp/nature-recreation/environment-ecology-conservation/noxious-weeds/identification-control/poison-hemlock

https://www.dnr.state.mn.us/invasives/terrestrialplants/poisonhemlock.html

https://www.canr.msu.edu/news/poison-hemlock-identification-and-control

https://www.oregon.gov/oda/Documents/Publications/Weeds/PoisonHemlockProfile.pdf