Sobralia is a genus of about 125 orchids (family Orchidaceae) and one of the two genera of the subtribe Sobraliinae (the other is "Elleanthus").
Selago is a genus of plant in family Scrophulariaceae, closely related to "Scrophularia" and "Verbascum".
 It contains around 190 species, mostly in southern Africa; two are listed on the IUCN Red List:

Question: Are Selago and Sobralia both genus of plant?
Answer: yes