The scientific classification of Christmas Fern and Brugmansia 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. Christmas Fern and Brugmansia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Christmas Fern and Brugmansia family is a major factor of Christmas Fern and Brugmansia 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. Christmas Fern belongs to the family Dryopteridaceae and Brugmansia belongs to the family Solanaceae.
While comparing scientific classification, Christmas Fern and Brugmansia genus and other classification are also important. Also, when you compare Christmas Fern and Brugmansia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Polystichum and other plant's genus is Brugmansia. Christmas Fern tribe is Not Available and Brugmansia tribe is Datureae. Christmas Fern clade is Not Available and order is Filicales whereas Brugmansia clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. Christmas Fern subfamilies are, Not Available and Brugmansia subfamilies are Solanoideae. In this way you can compare scientific classification of Christmas Fern and Brugmansia and other products also.