Cavea tanguensis is in the subfamily of Gymnarrhenoideae within the Tracheophytes clade (defined as land plants that have lignified tissues for conducting water and minerals throughout the plant) and under the kingdom of Plantae.
Subfamily: Gymnarrhenoideae Tracheophytes Clade: Plantae Vascular plants (from Latin vasculum: duct), also known as Tracheophyta (/trkift, -ofat/) (the tracheophytes /trkifats/, from the Greek tracheia), form a large group of plants (c. 300,000 accepted known species) that are defined as land plants that have lignified tissues (the xylem) for conducting water and minerals throughout the plant. 
