Chú thích Nietneria

  1. ↑ Kew World Checklist of Selected Plant Families
  2. ↑ Govaerts R., Wilkin P. & Saunders R.M.K. (2007). World Checklist of Dioscoreales. Yams and their allies: 1-65. The Board of Trustees of the Royal Botanic Gardens, Kew.
  3. ↑ Hokche O., Berry P.E. & Huber O. (chủ biên) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.