Just leafing out. With flower buds.
Oak forest community
Just emerging and ready for action!
Poison ivy. Anacardiaceae. Common, although City is removing it from trail sides. Both individual plants and vines on trees.
Toxicodendron a genus of flowering plants in the sumac family, Anacardiaceae. It contains woody trees, shrubs and vines, including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction. The generic name is derived from the Greek words τοξικός (toxikos), meaning "poison," and δένδρον (dendron), meaning "tree".