To which taxonomic category do both Maxillaria and Leonotis belong?
Leonotis Leonotis is a genus of flowering plants in the family Lamiaceae. One species, "Leonotis nepetifolia", is native to tropical Africa and southern India. It is naturalized throughout most of the tropics. The other species are endemic to southern + eastern Africa.
Isoetopsida The Isoetopsida is a class of Lycopodiophyta. All extant species belong to the genus "Selaginella" in the order Selaginellales or to the genus "Isoetes" in the order Isoetales. In the past, members of this group sometimes have been placed in the classes Isoetopsida, Selaginellopsida, or Lycopodiopsida. There are c. 700 species of "Selaginella" and 140-150 species of "Isoetes", with a cosmopolitan distribution, but often scarce to rare. Some botanists split "Isoetes" by separating two South American species into the genus "Stylites".