Rhus Diversiloba, also known as Western Poison Oak, is a plant that can cause skin irritation and dermatitis in humans. Since the name Rhus Diversiloba can be quite a mouthful, it's helpful to know some synonyms that can refer to this plant. Some of the other names for Rhus Diversiloba include Pacific Poison Oak, Toxicodendron Diversilobum, and Poison Ivy Oak. These names are often used interchangeably, so it's important to know that they all refer to the same plant. If you're planning to spend time in areas where Rhus Diversiloba grows, it's important to learn to recognize the plant and take measures to avoid contact with it.