The scientific classification of Russian Olive and European Crab Apple 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. Russian Olive and European Crab Apple kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Russian Olive and European Crab Apple family is a major factor of Russian Olive and European Crab Apple 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. Russian Olive belongs to the family Elaeagnaceae and European Crab Apple belongs to the family Rosaceae.
While comparing scientific classification, Russian Olive and European Crab Apple genus and other classification are also important. Also, when you compare Russian Olive and European Crab Apple, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Elaeagnus and other plant's genus is Malus. Russian Olive tribe is Not Available and European Crab Apple tribe is Not Available. Russian Olive clade is Angiosperms, Eudicots and Rosids and order is Rhamnales whereas European Crab Apple clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Russian Olive subfamilies are, Not Available and European Crab Apple subfamilies are Not Available. In this way you can compare scientific classification of Russian Olive and European Crab Apple and other products also.