Three subspecies; the nominate subspecies naturalised in Victoria. Fraxinus angustifolia subsp. oxycarpa is cultivated but not naturalised in Victoria. It is distinguished from Fraxinus angustifolia subsp. angustifolia by the villous midribs on the undersides of leaves (the other subspecies of Fraxinus angustifolia have glabrous leaves). The third subspecies, Fraxinus angustifolia subsp. syriaca, has leaves with 3–7 leaflets, whereas Fraxinus angustifolia subsp. angustifolia has leaves with 7–15 leaflets.
