The scientific classification of Judas Tree and Duckweed 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. Judas Tree and Duckweed kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Judas Tree and Duckweed family is a major factor of Judas Tree and Duckweed 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. Judas Tree belongs to the family Fabaceae and Duckweed belongs to the family Lemnaceae.
While comparing scientific classification, Judas Tree and Duckweed genus and other classification are also important. Also, when you compare Judas Tree and Duckweed, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Cercis and other plant's genus is Lemna. Judas Tree tribe is Cercideae and Duckweed tribe is Lemneae. Judas Tree clade is Angiosperms, Eudicots and Rosids and order is Fabales whereas Duckweed clade is Angiosperms and Monocots and order is Arales. Every plant have subfamilies. Judas Tree subfamilies are, Caesalpinioideae and Duckweed subfamilies are Lemnoideae. In this way you can compare scientific classification of Judas Tree and Duckweed and other products also.