Spotted Water Hemlock, Spotted Parsley, Spotted Cowbane, or Suicide Root
Cicuta maculata
                    
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DFL1029
 
left Spotted Water Hemlock Photograph right
 
2019 Photograph, Spotted Water Hemlock, Spotted Parsley, Spotted Cowbane, or Suicide Root, (Cicuta maculata, Carrot family, Apiaceae) with Black and Yellow Mud Dauber, Occoquan Bay NWR, Woodbridge, Virginia, © 2020.
Yes, it is poison.
Jian Zhe Li

Nature Photography, Wildlife Photography, Waterfowl Photography and Bird Photography from Marsh, River, Field and Forest Habitats.
All images Copyright © 1999 - by Gerry Gantt, all rights reserved.