Fig. 1

Map of localities of sampled Widdringtonia cedarbergensis individuals. The locations of W. cedarbergensis individuals in four different regions in the Cederberg Wilderness Area, Western Cape, South Africa: a Heuningvlei, b Skerpioenspoort, c Middelberg and d Welbedacht. Features of interest include the weather stations at Algeria Forest Station and Clanwilliam