Fig. 1From: Genetic and morphological evidence for introgression between three species of willowsDistribution ranges of the three willows species. Modified from Skvortsov [16]. Orange represent S. dasyclados, blue represent S. schwerinii and yellow represent S. viminalis. Note the almost complete overlap between S. dasyclados and S. viminalis and the parallell distribution of S. schwerinii. The map was created using ArcGIS® software by Esri. ArcGIS® and ArcMap™ are the intellectual property of Esri and are used herein under licenseBack to article page