Geographic distribution of Sarraceniaceae.

<p><i>Darlingtonia</i> (A) is restricted to western North America, <i>Sarracenia</i> (B) is widespread in Eastern North America, and <i>Heliamphora</i> (C) occurs in northern South America <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0039291#pone.0039291-Juniper1" target="_blank">[17]</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0039291#pone.0039291-Schnell1" target="_blank">[27]</a>. Photographs by the authors.