Are Selago and Sobralia both genus of plant?
Sobralia Sobralia is a genus of about 125 orchids (family Orchidaceae) and one of the two genera of the subtribe Sobraliinae (the other is "Elleanthus").
Olmediella Olmediella is a monotypic genus of flowering plants in the willow family, Salicaceae. It consists of one species of trees: Olmediella betschleriana, which is native to Central America. Formerly placed in the heterogeneous family Flacourtiaceae, "Olmediella" is now classified in Salicaceae, along with close relatives "Bennettiodendron", "Carrierea", "Idesia", "Itoa", "Macrohasseltia", "Poliothyrsis", and even the willows ("Salix") and cottonwoods ("Populus") themselves.