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