Sium suave

Characteristics
Apiaceae
Sium
Sium suave Walter
hemlock water parsnip
Standing water in swamps, edges and backwaters of streams, and channels through marshes. This species can grow in deep water. Leaves in deep water are finely dissected.
Forb/herb
Perennial
Vascular
6
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Native OBL (NWPL) OBL (NWPL EMP) OBL (NWPL NCNE) S5 (State Rank) G5 (Global Rank)
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** Not applicable or data not available.
Classification
Eudicots
Apiales
Sium
Sium suave Walter - hemlock water parsnip
Citation
Sium suave Walter
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** Not applicable or data not available.
Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.

Source
Synonyms
Plant Photos
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 22 Aug 2003 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 22 Aug 2003 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 09 Aug 2005 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 09 Aug 2005 - Andrew Nelson View Full Size
Photo by: Selma Rosenthal. Photo taken: Madison Co., NY: 7 May 2017 - 7
Photo by: Selma Rosenthal. Photo taken: Madison Co., NY: 7 May 2017 - Selma Rosenthal View Full Size
Photo By: Stephen M. Young. Photo taken: Clinton, NY: 22 August 2001 -
Photo By: Stephen M. Young. Photo taken: Clinton, NY: 22 August 2001 View Full Size
Photo By: Stephen M. Young. Photo taken: Schenectady, NY: 2 June 2008 -
Photo By: Stephen M. Young. Photo taken: Schenectady, NY: 2 June 2008 View Full Size
Photo By: Steve Young. Photo taken: Suffolk, NY: 28 June 2021 -
Photo By: Steve Young. Photo taken: Suffolk, NY: 28 June 2021 View Full Size