The scientific classification of Portulaca and Lemon 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. Portulaca and Lemon kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Portulaca and Lemon family is a major factor of Portulaca and Lemon 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. Portulaca belongs to the family Portulacaceae and Lemon belongs to the family Rutaceae.
While comparing scientific classification, Portulaca and Lemon genus and other classification are also important. Also, when you compare Portulaca and Lemon, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Portulaca and other plant's genus is Citrus. Portulaca tribe is Not Available and Lemon tribe is Not Available. Portulaca clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Lemon clade is Rosids and order is Sapindales. Every plant have subfamilies. Portulaca subfamilies are, Not Available and Lemon subfamilies are Not Available. In this way you can compare scientific classification of Portulaca and Lemon and other products also.