A distinctive new type of phytokarst, oriented towards available light, has been found in cave entrances in the Gunong Mulu National Park, Sarawak, E. Malaysia. The karst features of this area are spectacular and important.
A Note on directed phytokarst in Sarawak (E. Malaysia).
International Journal of Speleology,
Available at: http://scholarcommons.usf.edu/ijs/vol11/iss3/2