The scientific classification of Sunflower and River Birch 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. Sunflower and River Birch kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Sunflower and River Birch family is a major factor of Sunflower and River Birch 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. Sunflower belongs to the family Asteraceae and River Birch belongs to the family Betulaceae.
While comparing scientific classification, Sunflower and River Birch genus and other classification are also important. Also, when you compare Sunflower and River Birch, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Heilanthus and other plant's genus is Betula. Sunflower tribe is Heliantheae and River Birch tribe is Not Available. Sunflower clade is Not Available and order is Asterales whereas River Birch clade is Angiosperms, Eudicots and Rosids and order is Fagales. Every plant have subfamilies. Sunflower subfamilies are, Helianthodeae and River Birch subfamilies are Not Available. In this way you can compare scientific classification of Sunflower and River Birch and other products also.