Members of Class Phycomycetes of Kingdom Fungi are found in aquatic habitats or as obligate parasites on plants. Plasmogamy, a step in sexual reproduction in members of Kingdom Fungi involves fusion of protoplasms between two motile or non-motile gametes. Kingdom Plantae includes all eukaryotic chlorophyll containing organisms called plants. Trichoderma belongs to Deuteromycetes. Chrysophytes include diatoms.