Atherosperma is a genus of flowering plant in the family Atherospermataceae. Its only species is Atherosperma moschatum, commonly known as black sassafras, Australian sassafras, southern sassafras, native sassafras or Tasmanian sassafras. It is a shrub to conical tree and is endemic to south-eastern Australia. It has densely hairy young branchlets, flowers and the lower surface of the leaves. Its leaves are lance-shaped to elliptic, sometimes with toothed edges, the flowers perfumed and white to cream, and the fruit is an achene.

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