Toxicodendron rydbergii

Characteristics
Anacardiaceae
Toxicodendron
Toxicodendron rydbergii (Small ex Rydb.) Greene
Rydberg’s poison ivy
Rocky open areas.
Shrub
Perennial
Vascular
4
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Native FACU, FACW (NWPL) FAC (NWPL EMP) FAC (NWPL NCNE) S3 (State Rank) G5 (Global Rank)
Gillis 1971
** Not applicable or data not available.
Classification
Eudicots
Sapindales
Toxicodendron
Toxicodendron rydbergii (Small ex Rydb.) Greene - Rydberg’s poison ivy
Citation
Toxicodendron rydbergii (Small ex Rydb.) Greene
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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: Cayuga Co., NY: 25 May 2010 - 1
Toxicodendron_rydbergii_ANelson_100525_01.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Cayuga Co., NY: 19 Jun 2010 - 1
Toxicodendron_rydbergii_ANelson_100619_01.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Cayuga Co., NY: 19 Jun 2010 - 1
Toxicodendron_rydbergii_ANelson_100619_03.jpg
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 11 Aug 2012 - 1
Toxicodendron_rydbergii_ANelson_120811_01-02.jpg