The scientific classification of Oatgrass and Italian Arum 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 Italian Arum kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Oatgrass and Italian Arum family is a major factor of Oatgrass and Italian Arum 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 Italian Arum belongs to the family Araceae.
While comparing scientific classification, Oatgrass and Italian Arum genus and other classification are also important. Also, when you compare Oatgrass and Italian Arum, 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 Areae. Oatgrass tribe is Aveneae and Italian Arum tribe is Not Available. Oatgrass clade is Angiosperms, Commelinids and Monocots and order is Poales whereas Italian Arum clade is Angiosperms and Monocots and order is Alismatales. Every plant have subfamilies. Oatgrass subfamilies are, Danthonioideae and Italian Arum subfamilies are Aroideae. In this way you can compare scientific classification of Oatgrass and Italian Arum and other products also.