The scientific classification of Sunflower and Quaking Aspen 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 Quaking Aspen kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Sunflower and Quaking Aspen family is a major factor of Sunflower and Quaking Aspen 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 Quaking Aspen belongs to the family Salicaceae.
While comparing scientific classification, Sunflower and Quaking Aspen genus and other classification are also important. Also, when you compare Sunflower and Quaking Aspen, 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 Populus. Sunflower tribe is Heliantheae and Quaking Aspen tribe is Saliceae. Sunflower clade is Not Available and order is Asterales whereas Quaking Aspen clade is Angiosperms, Eudicots and Rosids and order is Malpighiales. Every plant have subfamilies. Sunflower subfamilies are, Helianthodeae and Quaking Aspen subfamilies are Not Available. In this way you can compare scientific classification of Sunflower and Quaking Aspen and other products also.