There are hundreds of cultivars of the olive ("Olea europaea"). Invasive species include African olive (Olea europaea subsp. An olive grove is a small group of "Olea europaea" trees. Olive leaf is the leaf of the olive tree ("Olea europaea"). Despite its name, it is unrelated to the true olive ("Olea europaea"). One hundred olive trees (Olea europaea var. Larvae are polyphagous, but mainly feed on Grape-vine ("Vitis vinifera") and Common Olive ("Olea europaea"). The fair features also a 945-year old olive tree ("Olea europaea"). "Olea europaea" is the type species for the genus "Olea". The term oleuropein is derived from the botanical name of the olive tree, "Olea europaea".