Nietneria is a genus of plants in the Nartheciaceae. It has two known species, both native to northern South America.SpeciesNietneria corymbosa Klotzsch & M.R.Schomb. ex B.D.Jacks. - Guyana, Amazonas + Bolívar States in VenezuelaNietneria paniculata Steyerm. - Bolívar State in Venezuela, Guyana, Serra Aracá in the Brazilian State of Amazonas↑ 1.0 1.1 ↑ ↑ ↑