- Perennial 4.5 feet tall possibly toxic
- Marshy areas and streams
- Stems are hollow, leaves are fern like
- Umbels of white flowers July to October
- Watch list, difficult to tell from Oenanthe sarmentosa
- Found in Bay hills, Diablo, Hamilton and Los Vaqueros sections
- 101 Golf Course Dr, Tilden Regional Park, Berkeley, CA 94708
- (510) 549-0211
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Open Saturday 10.00am - 2.00pm*
*Pickups by appointment and in-person shopping