Figure 1From: Oligocene niche shift, Miocene diversification – cold tolerance and accelerated speciation rates in the St. John’s Worts (Hypericum, Hypericaceae)Distribution map of Hypericaceae and collection sites. Blue shading and collection sites (points) in red mark the distribution of Hypericum (Hypericeae). Grey shading and collection sites in light-grey mark the distribution of the tropical members of the family (Cratoxyleae and Vismieae).Back to article page