The scientific classification of Oatgrass and Hardy Waterlily 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. Oatgrass and Hardy Waterlily kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Oatgrass and Hardy Waterlily family is a major factor of Oatgrass and Hardy Waterlily 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. Oatgrass belongs to the family Poaceae and Hardy Waterlily belongs to the family Nymphaeaceae.
While comparing scientific classification, Oatgrass and Hardy Waterlily genus and other classification are also important. Also, when you compare Oatgrass and Hardy Waterlily, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Danthonia and other plant's genus is Nymphaea. Oatgrass tribe is Aveneae and Hardy Waterlily tribe is Not Available. Oatgrass clade is Angiosperms, Commelinids and Monocots and order is Poales whereas Hardy Waterlily clade is Angiosperms and order is Nymphaeales. Every plant have subfamilies. Oatgrass subfamilies are, Danthonioideae and Hardy Waterlily subfamilies are Not Available. In this way you can compare scientific classification of Oatgrass and Hardy Waterlily and other products also.