<i>Coeloglossum albidum</i> (<i><a href="//commons.wikimedia.org/wiki/Pseudorchis_albida" title="Pseudorchis albida">Pseudorchis albida</a></i>)
Anton Hartinger
1882
<i>Atlas der Alenflora</i>. <a rel="nofollow" class="external free" href="https://archive.org/details/atlasderalpenflo00hart">https://archive.org/details/atlasderalpenflo00hart</a>