Micrantheum is a genus of plants under the family Picrodendraceae described as a genus in 1818. It is endemic to Australia. Species 1. \n* Micrantheum demissum F.Muell. - South Australia 2. \n* Micrantheum ericoides Desf. - New South Wales, Queensland 3. \n* Micrantheum hexandrum Hook.f. - Box Micrantheum - New South Wales, Queensland, Victoria, Tasmania 4. \n* Micrantheum serpentinum Orchard - Western Tridentbush - Tasmania