The scientific classification of Bristlecone Pine and Chinese Chestnut 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. Bristlecone Pine and Chinese Chestnut kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Bristlecone Pine and Chinese Chestnut family is a major factor of Bristlecone Pine and Chinese Chestnut 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. Bristlecone Pine belongs to the family Pinaceae and Chinese Chestnut belongs to the family Fagaceae.
While comparing scientific classification, Bristlecone Pine and Chinese Chestnut genus and other classification are also important. Also, when you compare Bristlecone Pine and Chinese Chestnut, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Pinus and other plant's genus is Castanea. Bristlecone Pine tribe is Not Available and Chinese Chestnut tribe is Gloxinieae. Bristlecone Pine clade is Not Available and order is Pinales whereas Chinese Chestnut clade is Angiosperms, Eudicots and Rosids and order is Fagales. Every plant have subfamilies. Bristlecone Pine subfamilies are, Not Available and Chinese Chestnut subfamilies are Cassidinae. In this way you can compare scientific classification of Bristlecone Pine and Chinese Chestnut and other products also.