Are Selago and Sobralia both genus of plant?
Selago 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:
Soridium Soridium is a genus of parasitic plants in the Triuridaceae, lacking chlorophyll and obtaining nutrients from fungi in the soil. It contains only one known species, Soridium spruceanum, native to Brazil, Venezuela, Suriname, French Guiana, Belize and Guatemala.