Limestone outcrops in the State of Sarawak, Malaysian Borneo. The red polygon represents the individual limestone outcrops, while the blue polygons around the limestone outcrop are background to emphasise outcrops that are too small to be seen on the map. The map is adapted from Liew et al. (2021). The green-coloured dot signifies the limestone outcrops of Bukit Sarang, the purple dot represents the limestone outcrops of Batu Kudik and the orange dot indicates the Gunung Silabur limestone outcrops.