- The plant Myoporum deserti, often distinguished as Ellangowan poison bush or dogwood poison bush.
- The ulmaceous plant Trema cannabina, which, though not poisonous, is injurious to stock because of its large amount of fiber.
- Any fabaceous shrub of the genus Gastrolobium, the herbage of which is poisonous to stock; also, any species of several related genera, as Oxylobium, Gompholobium, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). poison bush. Retrieved September 27, 2026, from http://smartdefine.org/poison_bush/definitions/2046935 |
| Chicago | Webster's. 2011. "poison bush" http://smartdefine.org/poison_bush/definitions/2046935 (accessed September 27, 2026). |
| Harvard | Webster's 2011, poison bush, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/poison_bush/definitions/2046935>. |
| MLA | Webster's. "poison bush" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/poison_bush/definitions/2046935> |