Original: Zoosporangium A zoosporangium is the sexual structure in which the zoospores develop in a plant, fungi, or protists (such as the oomycota) See also Gametangium Flagellum Fern Angiosperm Chytridiomycota References C.J. Alexopolous, Charles W. Mims, M. Blackwell  et al., Introductory Mycology, 4th ed.
Simplified: Zoosporangium A zoosporangium is the sexual structure in which the zoospores develop in a plant, fungi, or protists. Flagellum Fern Angiosperm Chytridiomycota References C.J. Alexopolous, Charles W. Mims, M. Blackwell et al., Introductory Mycology, 4th ed.