Toxicodendron rydbergii

== Translingual == === Proper noun === Toxicodendron rydbergii n A taxonomic species within the family Anacardiaceae – western poison ivy, a shrub found in western parts of the US that causes acute contact dermatitis. === Further reading === Toxicodendron rydbergii on Wikipedia.Wikipedia Toxicodendron rydbergii on Wikispecies.Wikispecies Category:Toxicodendron rydbergii on Wikimedia Commons.Wikimedia Commons Toxicodendron rydbergii at USDA Plants database