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