Heracleum maximum

Characteristics
Heracleum maximum W. Bartram
cow parsnip
Stream banks, rich seepy forests, occasionally roadside ditches, and wet meadows. Perhaps more common in suitable habitat in the northern part of the state.
Forb/herb
Perennial
Vascular
6
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Native FAC (NWPL EMP) FACW (NWPL NCNE) S4 (State Rank) G5 (Global Rank)
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Classification
Eudicots
Apiales
Heracleum maximum W. Bartram - cow parsnip
Citation
Heracleum maximum W. Bartram
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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: Steve Young. Photo taken: Suffolk, NY: 3 August 2021 -
Heracleum maximum_Steve Young_3 August 2021_35384.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Cayuga Co., NY: 28 May 2010 - 1
Heracleum_maximum_ANelson_100528_01.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Cayuga Co., NY: 28 May 2010 - 1
Heracleum_maximum_ANelson_100528_07.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Oswego Co., NY: 8 Jun 2010 - 1
Heracleum_maximum_ANelson_100608_01.jpg
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 1 Aug 2013 - 1
Heracleum_maximum_ANelson_130801_0103.jpg
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 1 Aug 2013 - 1
Heracleum_maximum_ANelson_130801_0406.jpg
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 1 Aug 2013 - 1
Heracleum_maximum_ANelson_130801_0709.jpg
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 1 Aug 2013 - 1
Heracleum_maximum_ANelson_130801_1011.jpg
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 1 Aug 2013 - 1
Heracleum_maximum_ANelson_130801_1214.jpg