Division Zygomycota. Members of the division Zygomycota are known aszygomycetes. Zygomycetes produce sexual spores known as zygospores (Figure 1), as well as asexual sporangiospores.
Sexual reproduction in the mold Rhizopus stolonifer. Plus and minus mycelia produce sexually opposite hyphae that fuse and give rise to zygospores, which germinate to form new mycelia.