👉 Urticaceae is a family of plants in the order Asteraceae. This group includes many species that are commonly known as poison ivy or poison oak, and may also include other types of poison plants. Urticaceae has about 170 genera, with more than 4,500 species. Some of the most common members in this family include: 1. Asteraceae: This includes plants like aster (Aster), cosmos (Cyper