The scientific classification of Pepperwort and Japanese Iris includes the entire classification chart that includes kingdom, family, clade, tribe etc. A kingdom is the second highest taxonomic rank. A taxonomic rank is the level that a living organisms are placed in hierarchical level of arrangement of life forms. All the living organisms are divided into kingdoms. Plant kingdom is a main classification of living organisms that include all plants. There are six kingdoms which are: Plantae, Animalia, Fungi, Protista, Aschaea/Archaeabacteria and Bacteria Eubacteria. Pepperwort and Japanese Iris kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Pepperwort and Japanese Iris family is a major factor of Pepperwort and Japanese Iris Scientific Classification. Plant family helps you narrow the search of your plants. It also gives you idea about, how the plant looks, how the seed will be like etc. These two plant families can be different or same. Pepperwort belongs to the family Marsileaceae and Japanese Iris belongs to the family Iridaceae.
While comparing scientific classification, Pepperwort and Japanese Iris genus and other classification are also important. Also, when you compare Pepperwort and Japanese Iris, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Marsilea and other plant's genus is Iris. Pepperwort tribe is Lapidieae and Japanese Iris tribe is Not Available. Pepperwort clade is Angiosperms, Eudicots and Rosids and order is NA whereas Japanese Iris clade is Angiosperms and Monocots and order is Asparagales. Every plant have subfamilies. Pepperwort subfamilies are, NA and Japanese Iris subfamilies are Not Available. In this way you can compare scientific classification of Pepperwort and Japanese Iris and other products also.