Virginia Creeper (Parthenocissus quinquefolia) also known as: Woodbine, American Ivy and Fiveleaved Ivy Division - Magnoliaphyta Class - Magnoliopsida Subclass - Rosidae Order - Rhamnales Family - Vitaceae Genus - Parthenocissus A relatively harmless vine, this plant is sometimes mistaken for poison ivy. It can be differentiated by the fact that it has five leaves instead of poison ivy's three. It is not poisonous and is no more harmful than any other vine. It is part of the grape family (vitaceae). Weeds Taxonomic List List by Scientific Name List by Common Name