In which among the following plants, zygote undergoes meiosis and forms haploid spores in its life cycle?

In plants with haplontic life cycle, the zygote undergoes meiosis and forms haploid spores or cells or nuclei that eventually develop into either unicellular or multicellular gametophyte. Such condition is seen in algae like Chlamydomonas, Spirogyra, Ulothrix etc.