Poison oak confirmed along popular El Dorado Hills hiking trail
iNaturalist: mksogge
Native Plants
If you hike, bike, or let your dog off-leash on the Browns Ravine Trail, this sighting marks exactly where the oily, rash-causing leaves are waiting along the path.
Someone out walking near Mormon Island Cove spotted Pacific poison oak and snapped a photo good enough for other naturalists to verify it, earning the observation research-grade status. That confirms this shrub, famous for the itchy rash its oils cause, is actively growing along a trail people use for recreation in El Dorado Hills, California.
Key Findings
Observation classified as 'research-grade' on iNaturalist, meaning the species ID has been community-verified
Location pinpointed to the Mormon Island Cove to Browns Ravine Trail corridor in El Dorado Hills, CA
Species identified as Toxicodendron diversilobum, a California native shrub known for causing contact dermatitis
chevron_right Technical Summary
A citizen scientist confirmed Pacific poison oak growing along the Mormon Island Cove to Browns Ravine Trail in El Dorado Hills, California, giving hikers and locals a verified heads-up about where this itch-inducing native shrub is present.
Abstract Preview
Original paper
Pacific poison oak (Toxicodendron diversilobum) observed in Mormon Island Cove to Browns Ravine Trail, El Dorado Hills, CA, US
Research-grade observation of Pacific poison oak in Mormon Island Cove to Browns Ravine Trail, El Dorado Hills, CA, US.
open_in_new Read full abstractAbstract copyright held by the original publisher.
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.