Spotted water hemlock
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Apiales
- family: Apiaceae
- genus: Cicuta
- species: Cicuta maculata
Raymond
Alberta- Moncton
New Brunswick- Willowdale
Ontario- Acton Vale
- Baie-Saint-Paul
- Beauceville
- Beauharnois
- Beaupré
- Beloeil
- Blainville
- Boisbriand
- Boucherville
- Cabano
- Carignan
- Chambly
- Chandler
- Charlemagne
- Château-Richer
- Contrecoeur
- Côte-Saint-Luc
- Farnham
- Granby
- Hampstead
- La Prairie
- Laval
- Lavaltrie
- Longueuil
- Mont-Joli
- Mont-Royal
- Mont-Saint-Hilaire
- Montmagny
- Montréal
- Neuville
- Nicolet
- Oka
- Québec
- Rawdon
- Repentigny
- Rigaud
- Rimouski
- Rougemont
- Saguenay
- Saint-Augustin-de-Desmaures
- Saint-Bruno-de-Montarville
- Saint-Jean-sur-Richelieu
- Saint-Jérôme
- Saint-Laurent
- Sainte-Sophie
- Sainte-Thérèse
- Shawinigan
- Sherbrooke
- Sorel-Tracy
- Trois-Rivières
- Vaudreuil-Dorion
Quebec
Canada
Dos Ríos
Veracruz
Mexico
Auburn- Holt
- Spanish Fort
Alabama- Baltic
- Danbury
- Essex Village
- Hartford
- Litchfield
- New Haven
- Waterbury
- Windham
Connecticut- Nampa
Idaho- East Lansing
- Haslett
Michigan- Borough of Bronx
New York- Rutherfordton
- Sparta
North Carolina- John Day
Oregon- Farragut
Tennessee- Washington, D. C.
Washington, D.C.- Elkhorn
Wisconsin
United States