Pacific poison oak (Toxicodendron diversilobum) observed in E 8th St & Kern, Chico, CA 95928, USA
iNaturalist: farmerjoeparker
Urban Ecology
Pacific poison oak grows in parks, trails, and neighborhood edges — knowing exactly where it's been confirmed helps you avoid a nasty, blistering rash on your next walk or yard work session.
Someone spotted and reported Pacific poison oak — the plant famous for causing intensely itchy, blistering rashes — growing in a neighborhood in Chico, California. The observation was verified and classified as research-grade, meaning experts confirmed the ID. It's a good reminder that this plant isn't just a wilderness hazard; it can show up in urban green spaces and along streets too.
Key Findings
A single research-grade observation of Pacific poison oak was confirmed at E 8th St & Kern, Chico, CA 95928
The sighting is located in an urban residential zone, highlighting the species' presence beyond wild or park settings
Pacific poison oak (Toxicodendron diversilobum) is native to the western US and contains urushiol, the oil responsible for allergic contact dermatitis in the majority of exposed humans
chevron_right Technical Summary
A research-grade observation of Pacific poison oak was recorded in a residential area of Chico, California, confirming its presence along E 8th Street near Kern. This citizen science sighting adds to the documented range of this native but irritant-causing shrub in the Northern Sacramento Valley.
Abstract Preview
Research-grade observation of Pacific poison oak in E 8th St & Kern, Chico, CA 95928, USA.
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Species Mentioned
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Toxicodendron diversilobum, commonly named Pacific poison oak or western poison oak, is a woody vine or shrub in the sumac family, Anacardiaceae.