Cyclamen parviflorum distribution data. Observed point data (blue) and points extrapolated from distribution map  (red) for C. parviflorum. Note: the point with co-ordinates in the Black Sea is excluded from the analysis, and is an example of an excluded point due to poor geographic resolution. Blue Marble satellite image.
Yesson and Culham BMC Evolutionary Biology 2006 6:72 doi:10.1186/1471-2148-6-72