Key to the varieties of the Nervilia adolphi
| 1 | Leaf uniformly green on upper surface | Nervilia adolphi var. adolphi |
| 1a | Leaf tesselated silver and green above | Nervilia adolphi var. seposita |
World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ accessed 1/16/2010
