Figure 1

Map of unique sampling locations shown by red triangles. Of the total 208 unique sampling locations in the study, 188 with GPS coordinates are shown here. Total includes all data accessed from GenBank in addition to collections made as part of this study. Figure was created in R 3.4.163 from void-filled elevation (30 sec DEM) raster and river network (RIV) shape files obtained from the World Wildlife Fund HydroSHEDS project96, and used under the following license. This product incorporates data from the HydroSHEDS database which is ©World Wildlife Fund, Inc. (2006–2013) and has been used herein under license. WWF has not evaluated the data as altered and incorporated within, and therefore gives no warranty regarding its accuracy, completeness, currency or suitability for any particular purpose. Portions of the HydroSHEDS database incorporate data which are the intellectual property rights of ©USGS (2006–2008), NASA (2000–2005), ESRI (1992–1998), CIAT (2004–2006), UNEP–WCMC (1993), WWF (2004), Commonwealth of Australia (2007), and Her Royal Majesty and the British Crown and are used under license. The HydroSHEDS database and more information are available at http://www.hydrosheds.org.