The essential oils from some 200 samples representing most of the known Zieria taxa were examined. The major components were benzaldehyde, ( - )car-3en-2-one, ( - )-chrysanthenone, ( - )-cischrysanthenyl acetate, transchrysanthenyl acetate, citronellal, 2,6dimelhoxy-3+methylenedioxystyrene, elemicin, farnesol, limonene, methyl eugenol, myristicin, naphthalene, a-pinene, safrole, 2,3,4,6_tetramethoxystyrene, 2,4,6_trimethoxystyrene and zierone.