(n.) A solid mass of cellular tissue, consisting of one or more layers, usually in the form of a flat stratum or expansion, but sometimes erect or pendulous, and elongated and branching, and forming the substance of the thallogens.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). thallus. Retrieved September 22, 2026, from http://smartdefine.org/thallus/definitions/2071717 |
| Chicago | Webster's. 2011. "thallus" http://smartdefine.org/thallus/definitions/2071717 (accessed September 22, 2026). |
| Harvard | Webster's 2011, thallus, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/thallus/definitions/2071717>. |
| MLA | Webster's. "thallus" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/thallus/definitions/2071717> |