The scientific classification of Bush Penstemon and Russian Sage 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. Bush Penstemon and Russian Sage kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Bush Penstemon and Russian Sage family is a major factor of Bush Penstemon and Russian Sage 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. Bush Penstemon belongs to the family Scrophulariaceae and Russian Sage belongs to the family Lamiaceae.
While comparing scientific classification, Bush Penstemon and Russian Sage genus and other classification are also important. Also, when you compare Bush Penstemon and Russian Sage, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Penstemon and other plant's genus is Perovskia. Bush Penstemon tribe is Not Available and Russian Sage tribe is Mentheae. Bush Penstemon clade is Angiosperms, Asterids and Eudicots and order is Scrophulariales whereas Russian Sage clade is Angiosperms, Asterids and Eudicots and order is Lamiales. Every plant have subfamilies. Bush Penstemon subfamilies are, Not Available and Russian Sage subfamilies are Not Available. In this way you can compare scientific classification of Bush Penstemon and Russian Sage and other products also.