(n.) A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). macrosporangium. Retrieved September 30, 2026, from http://smartdefine.org/macrosporangium/definitions/2029589 |
| Chicago | Webster's. 2011. "macrosporangium" http://smartdefine.org/macrosporangium/definitions/2029589 (accessed September 30, 2026). |
| Harvard | Webster's 2011, macrosporangium, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/macrosporangium/definitions/2029589>. |
| MLA | Webster's. "macrosporangium" 27 May 2011. Web. 30 September 2026. <http://smartdefine.org/macrosporangium/definitions/2029589> |