Cypripedioideae - Distribution map
Yan-Yan Guo, Yi-Bo Luo, Zhong-Jian Liu and Xiao-Quan Wang
CC BY 2.5
<a href="//doi.org/10.1371/journal.pone.0038788.g001" class="extiw" title="doi:10.1371/journal.pone.0038788.g001">Fig. 1</a> from <cite style="font-style:normal">Yan-Yan Guo, Yi-Bo Luo, Zhong-Jian Liu and Xiao-Quan Wang (2012). "<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3369861">Evolution and Biogeography of the Slipper Orchids: Eocene Vicariance of the Conduplicate Genera in the Old and New World Tropics</a>". <i>PLOS ONE</i>. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pone.0038788">10.1371/journal.pone.0038788</a>. <a href="https://en.wikipedia.org/wiki/PubMed_Central" class="extiw" title="w:PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3369861">3369861</a>.</cite>